/* ================================================================
TRIPSPLIT PLATINUM DESIGN SYSTEM v25.0
Architecture: Hybrid Atomic-Modular (HAM)
Themes: Premium Light / Frosted Glass
Updated: Timeline Activity UI & Advanced Scroll Engine
================================================================
*/

/* --- 1. DESIGN TOKENS & SYSTEM VARIABLES --- */
:root {
    /* Prime Colors */
    --p-h: 221;
    --p-s: 83%;
    --p-l: 53%;
    --primary: hsl(var(--p-h), var(--p-s), var(--p-l));
    --primary-light: hsl(var(--p-h), var(--p-s), 65%);
    --primary-dark: hsl(var(--p-h), var(--p-s), 40%);
    --primary-soft: hsl(var(--p-h), var(--p-s), 96%);
    --primary-glass: hsla(var(--p-h), var(--p-s), var(--p-l), 0.08);
    
    /* Functional Semantic Palette */
    --success: #10b981;
    --success-soft: #ecfdf5;
    --success-text: #065f46;
    
    --danger: #ef4444;
    --danger-soft: #fef2f2;
    --danger-text: #991b1b;
    
    --warning: #f59e0b;
    --warning-soft: #fffbeb;
    --warning-text: #92400e;

    --info: #3b82f6;
    --info-soft: #eff6ff;

    /* Neural Backgrounds & Neutrals */
    --bg-main: #f8fafc;
    --bg-surface: #ffffff;
    --bg-glass: rgba(255, 255, 255, 0.75);
    
    --text-main: #0f172a;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    
    --border-base: #e2e8f0;
    --border-light: #f1f5f9;

    /* Advanced Elevation Shadows */
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.04), 0 10px 10px -5px rgba(0, 0, 0, 0.02);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.12);
    --shadow-p: 0 10px 15px -3px hsla(var(--p-h), var(--p-s), var(--p-l), 0.25);

    /* Geometry */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* --- 2. RESETS & NORMALIZATION --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    text-size-adjust: 100%;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: 'Plus Jakarta Sans', 'Inter', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* --- 3. THE SMART SIDEBAR (DESKTOP) --- */
.sidebar {
    width: 300px;
    background: var(--bg-surface);
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    padding: 2.5rem 1.5rem;
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border-base);
    z-index: 1000;
}

.logo {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 4rem;
}

.logo-box {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: var(--shadow-p);
}

.logo span {
    font-size: 1.6rem;
    font-weight: 900;
    letter-spacing: -1.5px;
    color: var(--text-main);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 20px;
    border-radius: var(--radius-md);
    color: var(--text-muted);
    font-weight: 700;
    text-decoration: none;
    border: 2px solid transparent;
    transition: var(--transition-base);
    margin-bottom: 0.75rem;
    cursor: pointer;
    background: transparent;
    width: 100%;
    border: none;
}

.nav-link:hover {
    background: var(--primary-soft);
    color: var(--primary);
    transform: translateX(8px);
}

.nav-link.active {
    background: var(--primary);
    color: white;
    box-shadow: var(--shadow-p);
}

.sidebar-footer {
    margin-top: auto;
    padding-top: 2rem;
    border-top: 1px solid var(--border-light);
    color: var(--text-light);
    font-size: 0.75rem;
    font-weight: 700;
}

/* --- 4. MAIN LAYOUT ENGINE --- */
.main-content {
    flex: 1;
    margin-left: 300px;
    padding: 4rem 5rem;
    max-width: 1600px;
    width: calc(100% - 300px);
}

.header {
    margin-bottom: 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-text h1 {
    font-size: 2.8rem;
    font-weight: 900;
    letter-spacing: -2px;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.header-text p {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 1.1rem;
}

/* --- 5. BENTO GRID STATS --- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.stat-card {
    background: var(--bg-surface);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-md);
    transition: var(--transition-bounce);
    position: relative;
    overflow: hidden;
}

.stat-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.stat-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: var(--primary-glass);
    border-radius: 0 0 0 100%;
    z-index: 1;
}

.stat-label {
    text-transform: uppercase;
    font-size: 0.8rem;
    font-weight: 900;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    margin-bottom: 1rem;
    display: block;
}

.stat-value {
    font-size: 3rem;
    font-weight: 900;
    color: var(--text-main);
    z-index: 2;
    position: relative;
}

.stat-card.clickable { cursor: pointer; }

/* --- 6. ADVANCED MEMBER LEDGER CARDS --- */
.balance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 2.5rem;
}

.member-ledger-card {
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    transition: var(--transition-base);
}

.member-ledger-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.ledger-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.member-avatar {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-soft), #fff);
    color: var(--primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 1.8rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

.badge {
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.badge-success { background: var(--success-soft); color: var(--success-text); }
.badge-travel { background: var(--danger-soft); color: var(--danger-text); }

.ledger-summary-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.summary-item {
    background: var(--bg-main);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    text-align: center;
    border: 1px solid var(--border-light);
}

.summary-item.spent {
    background: var(--primary-soft);
    color: var(--primary-dark);
}

.summary-item small {
    display: block;
    text-transform: uppercase;
    font-size: 0.7rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.summary-item span {
    font-size: 1.4rem;
    font-weight: 900;
}

.ledger-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 2rem;
}

.ledger-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 18px;
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.ledger-row:hover { background: var(--bg-main); }

/* --- 7. BUTTON SYSTEM --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 28px;
    border-radius: var(--radius-md);
    font-weight: 800;
    cursor: pointer;
    border: none;
    transition: var(--transition-bounce);
    font-size: 1rem;
    outline: none;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: var(--shadow-p);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

.btn-white {
    background: white;
    color: var(--text-main);
    border: 1px solid var(--border-base);
}

.btn-card-download {
    width: 100%;
    background: var(--bg-main);
    color: var(--text-main);
    border: 1px solid var(--border-base);
}

.btn-card-download:hover {
    background: var(--text-main);
    color: white;
}

/* --- 8. DASHBOARD ACTIVITY FEED (TIMELINE UI) --- */
.activity-panel {
    padding: 2.5rem !important;
    position: relative;
    overflow: hidden;
}

.status-indicator {
    animation: indicator-pulse 2s infinite;
}

@keyframes indicator-pulse {
    0% { opacity: 1; }
    50% { opacity: 0.4; }
    100% { opacity: 1; }
}

.activity-scroll-container {
    max-height: 420px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--border-base) transparent;
}

/* Timeline Style Thread */
.timeline-style {
    position: relative;
    border-left: 2px solid var(--border-light);
    margin-left: 1.2rem;
    padding-left: 1.8rem;
    padding-top: 10px;
}

.activity-item {
    position: relative;
    margin-bottom: 1.25rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.activity-item::before {
    content: '';
    position: absolute;
    left: -2.35rem;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    background: white;
    border: 3px solid var(--primary);
    border-radius: 50%;
    z-index: 2;
}

.activity-item:hover {
    transform: translateX(8px);
    border-color: var(--primary-light);
    box-shadow: var(--shadow-md);
}

.activity-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* Category Semantic Colors */
.activity-icon.food { background: #fff1f2; color: #e11d48; }
.activity-icon.travel { background: #eff6ff; color: #2563eb; }
.activity-icon.stay { background: #f0fdf4; color: #16a34a; }
.activity-icon.others { background: #f5f3ff; color: #7c3aed; }
.activity-icon.member { background: #fffbeb; color: #d97706; }
.activity-icon.system { background: #f1f5f9; color: #475569; }

/* --- 9. MOBILE NAVIGATION --- */
.mobile-nav { display: none; }

@media (max-width: 1024px) {
    .sidebar { display: none; }
    .main-content {
        margin-left: 0;
        padding: 2rem 1.25rem 120px;
        width: 100%;
    }
    .mobile-nav {
        display: flex;
        position: fixed;
        bottom: 24px;
        left: 20px;
        right: 20px;
        background: var(--bg-glass);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        border: 1px solid rgba(255, 255, 255, 0.4);
        padding: 12px;
        border-radius: var(--radius-xl);
        justify-content: space-around;
        box-shadow: var(--shadow-xl);
        z-index: 2000;
    }
    .m-nav-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 6px;
        background: transparent;
        border: none;
        color: var(--text-muted);
        font-size: 0.65rem;
        font-weight: 800;
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }
    .m-nav-item.active { color: var(--primary); }
    .header-text h1 { font-size: 2.1rem; }
    .stats-grid { gap: 1rem; }
}

/* --- 10. ADVANCED TABLES & MODALS --- */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-xl);
    background: white;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-md);
}

table { width: 100%; border-collapse: collapse; text-align: left; }
th { background: var(--bg-main); padding: 18px; font-size: 0.7rem; font-weight: 900; text-transform: uppercase; color: var(--text-muted); letter-spacing: 1px; }
td { padding: 18px; border-bottom: 1px solid var(--border-light); font-weight: 700; font-size: 0.9rem; }

.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(12px);
    z-index: 5000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-content {
    background: white;
    width: 100%;
    max-width: 520px;
    max-height: 85vh;
    overflow-y: auto;
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    box-shadow: var(--shadow-xl);
    animation: modal-pop 0.4s var(--transition-bounce);
    position: relative;
}

@keyframes modal-pop {
    from { transform: scale(0.9) translateY(30px); opacity: 0; }
    to { transform: scale(1) translateY(0); opacity: 1; }
}

.modal-handle {
    width: 45px;
    height: 5px;
    background: var(--border-base);
    border-radius: 10px;
    margin: -10px auto 25px;
}

/* --- 11. FORM ELEMENTS --- */
.category-pill-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 10px; }
.pill { background: white; border: 2px solid var(--border-light); padding: 12px; border-radius: var(--radius-md); font-weight: 800; cursor: pointer; transition: var(--transition-base); }
.pill.active { border-color: var(--primary); background: var(--primary-soft); color: var(--primary); }

input, select {
    width: 100%;
    padding: 14px 18px;
    border-radius: var(--radius-md);
    border: 2px solid var(--border-light);
    background: var(--bg-main);
    font-size: 1rem;
    font-weight: 700;
    transition: var(--transition-base);
    outline: none;
}

input:focus { border-color: var(--primary); background: white; box-shadow: 0 0 0 4px var(--primary-glass); }

/* --- 12. UTILITIES & ANIMATIONS --- */
.hidden { display: none !important; }
.text-get { color: var(--success); }
.text-give { color: var(--danger); }

.animate-in {
    animation: slide-up 0.5s ease-out forwards;
}

@keyframes slide-up {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* CUSTOM SCROLLBAR ENGINE */
.activity-scroll-container::-webkit-scrollbar { width: 5px; }
.activity-scroll-container::-webkit-scrollbar-track { background: transparent; }
.activity-scroll-container::-webkit-scrollbar-thumb { background: var(--border-base); border-radius: 10px; }
.activity-scroll-container:hover::-webkit-scrollbar-thumb { background: var(--primary-light); }

/* ================================================================
   TRIPSPLIT PLATINUM DESIGN SYSTEM v25.0
   Architecture: Hybrid Atomic-Modular (HAM)
   Themes: Premium Light / Frosted Glass / Timeline Activity
   ================================================================ */

/* --- 1. DESIGN TOKENS & SYSTEM VARIABLES --- */
:root {
    /* Prime Colors */
    --p-h: 221;
    --p-s: 83%;
    --p-l: 53%;
    --primary: hsl(var(--p-h), var(--p-s), var(--p-l));
    --primary-light: hsl(var(--p-h), var(--p-s), 65%);
    --primary-dark: hsl(var(--p-h), var(--p-s), 40%);
    --primary-soft: hsl(var(--p-h), var(--p-s), 96%);
    --primary-glass: hsla(var(--p-h), var(--p-s), var(--p-l), 0.08);
    
    /* Functional Semantic Palette */
    --success: #10b981;
    --success-soft: #ecfdf5;
    --success-text: #065f46;
    
    --danger: #ef4444;
    --danger-soft: #fef2f2;
    --danger-text: #991b1b;
    
    --warning: #f59e0b;
    --warning-soft: #fffbeb;
    --warning-text: #92400e;

    /* Neutrals */
    --bg-main: #f8fafc;
    --bg-surface: #ffffff;
    --bg-glass: rgba(255, 255, 255, 0.75);
    
    --text-main: #0f172a;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    
    --border-base: #e2e8f0;
    --border-light: #f1f5f9;

    /* Elevation */
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.12);
    --shadow-p: 0 10px 15px -3px hsla(var(--p-h), var(--p-s), var(--p-l), 0.25);

    /* Geometry */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* --- 2. GLOBAL RESETS --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* --- 3. SIDEBAR (DESKTOP) --- */
.sidebar {
    width: 300px;
    background: var(--bg-surface);
    height: 100vh;
    position: fixed;
    padding: 2.5rem 1.5rem;
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border-base);
    z-index: 1000;
}

.logo {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 4rem;
}

.logo-box {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    width: 48px; height: 48px;
    border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    color: white; box-shadow: var(--shadow-p);
}

.logo span { font-size: 1.6rem; font-weight: 900; letter-spacing: -1.5px; }

.nav-link {
    display: flex; align-items: center; gap: 14px;
    padding: 14px 20px; border-radius: var(--radius-md);
    color: var(--text-muted); font-weight: 700;
    transition: var(--transition-base); margin-bottom: 0.5rem;
    cursor: pointer; background: transparent; border: none; width: 100%;
}

.nav-link:hover { background: var(--primary-soft); color: var(--primary); transform: translateX(5px); }
.nav-link.active { background: var(--primary); color: white; box-shadow: var(--shadow-p); }

/* --- 4. MAIN CONTENT --- */
.main-content {
    flex: 1; margin-left: 300px;
    padding: 4rem 5rem; width: calc(100% - 300px);
}

.header { margin-bottom: 3rem; display: flex; justify-content: space-between; align-items: center; }
.header-text h1 { font-size: 2.5rem; font-weight: 900; letter-spacing: -1.5px; }

/* --- 5. BENTO STATS & PANELS --- */
.stats-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem; margin-bottom: 3rem;
}

.stat-card {
    background: var(--bg-surface); padding: 2rem;
    border-radius: var(--radius-xl); border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm); transition: var(--transition-bounce);
}

.stat-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }

.stat-label { font-size: 0.75rem; font-weight: 800; text-transform: uppercase; color: var(--text-muted); letter-spacing: 1px; }
.stat-value { font-size: 2.5rem; font-weight: 900; margin-top: 0.5rem; }

.panel {
    background: var(--bg-surface); border-radius: var(--radius-xl);
    padding: 2.5rem; border: 1px solid var(--border-light); box-shadow: var(--shadow-md);
}

.panel-title { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.25rem; margin-bottom: 1.5rem; }

/* --- 6. TIMELINE ACTIVITY FEED & SCROLL ENGINE --- */
.activity-panel { position: relative; overflow: hidden; }

.activity-scroll-container {
    max-height: 400px; overflow-y: auto;
    padding-right: 10px; scrollbar-width: thin;
    scrollbar-color: var(--border-base) transparent;
}

/* Chrome/Safari Scrollbar */
.activity-scroll-container::-webkit-scrollbar { width: 4px; }
.activity-scroll-container::-webkit-scrollbar-thumb { background: var(--border-base); border-radius: 10px; }
.activity-scroll-container:hover::-webkit-scrollbar-thumb { background: var(--primary-light); }

.timeline-style {
    position: relative; border-left: 2px solid var(--border-light);
    margin-left: 1.5rem; padding-left: 1.5rem;
}

.activity-item {
    position: relative; margin-bottom: 1rem;
    background: var(--bg-main); border-radius: var(--radius-lg);
    padding: 1rem; border: 1px solid transparent; transition: var(--transition-base);
}

.activity-item::before {
    content: ''; position: absolute; left: -1.95rem; top: 50%;
    transform: translateY(-50%); width: 10px; height: 10px;
    background: white; border: 2.5px solid var(--primary); border-radius: 50%;
}

.activity-icon {
    width: 40px; height: 40px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
}

.activity-icon.food { background: #fff1f2; color: #e11d48; }
.activity-icon.travel { background: #eff6ff; color: #2563eb; }
.activity-icon.stay { background: #f0fdf4; color: #16a34a; }
.activity-icon.member { background: #fffbeb; color: #d97706; }
.activity-icon.others { background: #f5f3ff; color: #7c3aed; }

/* --- 7. SETTINGS & PROFILE UI --- */
.profile-hero {
    text-align: center; padding: 3rem;
    background: linear-gradient(135deg, #fff, var(--primary-soft));
    border-radius: var(--radius-xl); border: 1px solid var(--border-light);
    margin-bottom: 2rem;
}

.settings-highlight-panel {
    border: 2px solid var(--primary-light) !important;
    background: linear-gradient(to bottom right, #fff, var(--primary-soft)) !important;
}

.btn-install-large { width: 100%; padding: 1.25rem; font-size: 1.1rem; }

.btn-reset-danger {
    width: 100%; margin-top: 2rem; background: transparent;
    color: var(--danger); border: 2px solid var(--danger-soft);
}

.btn-reset-danger:hover { background: var(--danger); color: white; border-color: var(--danger); }

/* --- 8. LEDGER & SPLIT CARDS --- */
.balance-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(350px, 1fr)); gap: 1.5rem; }

.member-ledger-card {
    background: white; border-radius: var(--radius-xl); padding: 2rem;
    border: 1px solid var(--border-light); box-shadow: var(--shadow-md);
}

.ledger-summary-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin: 1.5rem 0; }
.summary-item { background: var(--bg-main); padding: 1rem; border-radius: var(--radius-md); text-align: center; }
.summary-item span { font-size: 1.25rem; font-weight: 800; display: block; }

/* --- 9. BUTTONS & INPUTS --- */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    gap: 8px; padding: 12px 24px; border-radius: var(--radius-md);
    font-weight: 700; cursor: pointer; border: none; transition: var(--transition-bounce);
}

.btn-primary { background: var(--primary); color: white; box-shadow: var(--shadow-p); }
.btn-primary:hover { transform: scale(1.02); }

input, select {
    width: 100%; padding: 14px; border-radius: var(--radius-md);
    border: 2px solid var(--border-light); background: var(--bg-main);
    font-weight: 600; outline: none; transition: var(--transition-base);
}

input:focus { border-color: var(--primary); background: white; }

.pill {
    padding: 12px; border: 2px solid var(--border-light); border-radius: var(--radius-md);
    background: white; cursor: pointer; font-weight: 700;
}
.pill.active { border-color: var(--primary); background: var(--primary-soft); color: var(--primary); }

/* --- 10. MOBILE NAV & RESPONSIVE --- */
@media (max-width: 1024px) {
    .sidebar { display: none; }
    .main-content { margin-left: 0; width: 100%; padding: 2rem 1rem 100px; }
    
    .mobile-nav {
        display: flex; position: fixed; bottom: 20px; left: 15px; right: 15px;
        background: var(--bg-glass); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
        padding: 12px; border-radius: var(--radius-xl); border: 1px solid rgba(255,255,255,0.3);
        justify-content: space-around; box-shadow: var(--shadow-xl); z-index: 2000;
    }
    
    .m-nav-item {
        display: flex; flex-direction: column; align-items: center; gap: 4px;
        background: transparent; border: none; color: var(--text-muted);
        font-size: 0.65rem; font-weight: 800;
    }
    .m-nav-item.active { color: var(--primary); }
    .header-text h1 { font-size: 2rem; }
}

/* --- 11. TABLES & MODALS --- */
.table-container { overflow-x: auto; border-radius: var(--radius-xl); background: white; border: 1px solid var(--border-light); }
table { width: 100%; border-collapse: collapse; }
th { background: var(--bg-main); padding: 15px; font-size: 0.7rem; text-transform: uppercase; font-weight: 800; }
td { padding: 15px; border-bottom: 1px solid var(--border-light); font-weight: 600; }

.modal {
    display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.5);
    backdrop-filter: blur(10px); z-index: 5000; align-items: center; justify-content: center; padding: 20px;
}

.modal-content {
    background: white; width: 100%; max-width: 500px; padding: 2.5rem;
    border-radius: var(--radius-xl); animation: slideUp 0.4s ease;
}

@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* --- 12. UTILS --- */
.hidden { display: none !important; }
.text-get { color: var(--success); }
.text-give { color: var(--danger); }
.animate-in { animation: slideUp 0.5s ease forwards; }

/* ================================================================
   NEW BILL POPUP (EXPENSE MODAL) PREMIUM UI
   ================================================================ */

/* Modal Content Scrollability */
#expenseModal .modal-content {
    max-height: 85vh;
    display: flex;
    flex-direction: column;
}

#expense-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Category Pill Grid Enhancement */
.category-pill-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-top: 5px;
}

.pill {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--bg-main);
    border: 2px solid var(--border-light);
    padding: 12px;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 0.9rem;
    transition: var(--transition-bounce);
    cursor: pointer;
}

.pill.active {
    background: var(--primary-soft);
    border-color: var(--primary);
    color: var(--primary);
    transform: scale(1.02);
    box-shadow: var(--shadow-sm);
}

/* Member Amount List (The dynamic rows) */
.member-input-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 10px;
    padding: 5px;
}

.member-amount-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-main);
    padding: 10px 15px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    transition: var(--transition-fast);
}

.member-amount-row:focus-within {
    background: white;
    border-color: var(--primary-light);
    box-shadow: var(--shadow-sm);
}

.member-amount-row span {
    font-weight: 700;
    color: var(--text-main);
    font-size: 0.95rem;
}

.m-amt-input {
    width: 100px !important;
    padding: 8px 12px !important;
    text-align: right;
    font-family: 'Inter', monospace;
    font-weight: 800;
    color: var(--primary-dark);
    border: 2px solid transparent !important;
    background: rgba(0,0,0,0.03);
}

.m-amt-input:focus {
    background: white !important;
    border-color: var(--primary) !important;
}

/* Total Badge UI */
.auto-sum-badge {
    align-self: flex-end;
    margin-top: 10px;
    background: var(--primary);
    color: white;
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-weight: 900;
    font-size: 0.85rem;
    box-shadow: var(--shadow-p);
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.auto-sum-badge::before {
    content: '💰';
}

/* Who Paid Dropdown */
#exp-payer {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 18px;
    padding-right: 45px;
    cursor: pointer;
}

/* Modal Buttons Container */
.modal-btns {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 12px;
    margin-top: 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-light);
}

.btn-white {
    background: var(--bg-main);
    color: var(--text-muted);
}

.btn-white:hover {
    background: var(--border-base);
    color: var(--text-main);
}

/* ================================================================
   PREMIUM GROUP & MEMBER MANAGEMENT UI
   ================================================================ */

.group-header-info {
    margin-bottom: 2rem;
    padding: 0 0.5rem;
}

.member-count-badge {
    background: var(--primary-glass);
    color: var(--primary);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-weight: 800;
    font-size: 0.8rem;
    text-transform: uppercase;
    border: 1px solid var(--primary-light);
}

.group-meta p {
    margin-top: 10px;
    color: var(--text-muted);
    font-weight: 600;
}

/* THE PREMIUM GRID */
.premium-member-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

/* THE GLASS CARD */
.member-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    transition: var(--transition-bounce);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.member-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--primary-glass) 0%, transparent 70%);
    opacity: 0;
    transition: var(--transition-base);
}

.member-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--primary-light);
    box-shadow: var(--shadow-xl);
}

.member-card:hover::before {
    opacity: 1;
}

/* PREMIUM AVATARS */
.member-avatar {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 900;
    margin-bottom: 1rem;
    box-shadow: var(--shadow-p);
    position: relative;
    z-index: 2;
    border: 4px solid white;
}

.member-card b {
    font-size: 1.2rem;
    font-weight: 900;
    color: var(--text-main);
    letter-spacing: -0.5px;
    z-index: 2;
}

/* DELETE BUTTON (SUBTLE UNTIL HOVER) */
.member-card .btn-delete {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 35px;
    height: 35px;
    border-radius: var(--radius-md);
    background: var(--danger-soft);
    color: var(--danger);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.8);
    transition: var(--transition-bounce);
    cursor: pointer;
    border: none;
    z-index: 10;
}

.member-card:hover .btn-delete {
    opacity: 1;
    transform: scale(1);
}

.member-card .btn-delete:hover {
    background: var(--danger);
    color: white;
}

/* ADD FRIEND BUTTON CARD */
.add-friend-card {
    border: 2px dashed var(--primary-light) !important;
    background: var(--primary-soft) !important;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    min-height: 180px;
    transition: var(--transition-bounce);
}

.add-friend-card:hover {
    background: white !important;
    border-style: solid !important;
    border-color: var(--primary) !important;
}

.add-friend-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--primary);
}

.add-friend-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-p);
}

.add-friend-card span {
    font-weight: 800;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
}

/* --- LUXURY BENTO GRID --- */
.premium-quad-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 0.8fr;
    gap: 1.5rem;
}

.luxury-card {
    background: white;
    border: 1px solid rgba(226, 232, 240, 0.8);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.04);
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.primary-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white !important;
}

.primary-gradient .stat-label { color: rgba(255,255,255,0.8); }
.primary-gradient .stat-value { color: white; }

/* PROGRESS BAR UI */
.progress-container {
    width: 100%;
    height: 8px;
    background: var(--bg-main);
    border-radius: 10px;
    margin: 15px 0;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--primary);
    border-radius: 10px;
    transition: width 1s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* SPENDER PROFILE UI */
.spender-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 10px;
}

.mini-avatar {
    width: 35px;
    height: 35px;
    background: var(--primary-soft);
    color: var(--primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
}

/* QUICK ACTION (+) TAB */
.action-card {
    background: var(--primary-soft);
    border: 2px dashed var(--primary-light);
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.action-card:hover {
    background: var(--primary);
    border-style: solid;
}

.action-card:hover .action-circle { background: white; color: var(--primary); }
.action-card:hover .stat-label { color: white; }

.action-circle {
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
    box-shadow: var(--shadow-p);
}

/* LIVE PULSE ICON */
.pulse-icon {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    position: relative;
}

.pulse-icon::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: var(--success);
    animation: pulse-ring 1.5s infinite;
}

@keyframes pulse-ring {
    0% { transform: scale(1); opacity: 0.7; }
    100% { transform: scale(3); opacity: 0; }
}

/* RESPONSIVE QUAD GRID */
@media (max-width: 1200px) {
    .premium-quad-grid {
        grid-template-columns: 1fr 1fr;
    }
}
@media (max-width: 600px) {
    .premium-quad-grid {
        grid-template-columns: 1fr;
    }
}

/* LUXURY VELOCITY CARD STYLES */
.card-header-flex {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.stat-value-mid {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--text-main);
    margin-top: 10px;
}

.stat-sub-text {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.icon-tiny {
    width: 16px;
    height: 16px;
}

/* DECORATIVE SPARKLINE */
.sparkline-mini {
    display: flex;
    gap: 4px;
    margin-top: 15px;
    align-items: flex-end;
}

.spark-dot {
    width: 4px;
    height: 4px;
    background: var(--border-base);
    border-radius: 50%;
}

.spark-dot.active {
    background: var(--primary);
    box-shadow: 0 0 8px var(--primary-light);
    transform: scale(1.5);
}
/* SQUAD TOGGLE GRID */
.squad-toggle-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin-top: 5px;
}

.squad-chip {
    padding: 10px 14px;
    background: var(--bg-main);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.85rem;
    font-weight: 700;
}

.squad-chip input {
    display: none; /* Hide standard checkbox */
}

.squad-chip.selected {
    background: var(--primary-soft);
    border-color: var(--primary);
    color: var(--primary);
}

.squad-chip i {
    width: 14px;
    height: 14px;
    opacity: 0.3;
}

.squad-chip.selected i {
    opacity: 1;
}

/* Helper Text */
.input-hint {
    font-size: 0.7rem;
    color: var(--text-light);
    margin-top: 5px;
    font-weight: 600;
}
/* Card Action Row for Export/Share */
.card-action-row .btn {
    padding: 10px 15px !important;
    font-size: 0.8rem !important;
    border-radius: var(--radius-md) !important;
}

.card-action-row .btn i {
    width: 16px;
    height: 16px;
}

/* Ensure the card doesn't look "cut off" during image export */
.member-ledger-card {
    background: white; /* Required for html-to-image to have solid background */
    z-index: 1;
}

/* Loading state for export (optional) */
.exporting {
    opacity: 0.5;
    pointer-events: none;
}

/* --- LUXURY AMBIENT ENGINE --- */
:root {
    /* Existing tokens remain... */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.4);
}

body {
    background-color: #f0f4f8; /* Soft base */
    transition: background 0.8s ease-in-out;
    position: relative;
    overflow-x: hidden;
}

/* The Animated Ambient Blur */
body::before {
    content: '';
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: -1;
    filter: blur(100px);
    opacity: 0.6;
    transition: all 1s ease-in-out;
}

/* Page Specific Atmospheres */
body.bg-dashboard::before {
    background: radial-gradient(circle at 10% 20%, #3b82f6 0%, #60a5fa 30%, #f0f4f8 70%);
}

body.bg-expenses::before {
    background: radial-gradient(circle at 90% 10%, #10b981 0%, #d1fae5 40%, #f0f4f8 80%);
}

body.bg-balance::before {
    background: radial-gradient(circle at 50% 50%, #f59e0b 0%, #fef3c7 40%, #f0f4f8 90%);
}

body.bg-members::before {
    background: radial-gradient(circle at 20% 80%, #8b5cf6 0%, #ede9fe 50%, #f0f4f8 100%);
}

body.bg-profile::before {
    background: radial-gradient(circle at 100% 100%, #64748b 0%, #f1f5f9 60%, #f0f4f8 100%);
}

/* Premium Panel Upgrades (Glassmorphism) */
.panel, .stat-card, .member-card, .member-ledger-card, .table-container {
    background: var(--glass-bg) !important;
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border: 1px solid var(--glass-border) !important;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07) !important;
}

/* Luxury Primary Card remains solid for impact */
.primary-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%) !important;
    backdrop-filter: none !important;
}

/* Sidebar & Nav Glass Effect */
.sidebar {
    background: rgba(255, 255, 255, 0.8) !important;
    backdrop-filter: blur(20px);
}

.mobile-nav {
    background: rgba(255, 255, 255, 0.6) !important;
    border: 1px solid rgba(255, 255, 255, 0.3) !important;
}

/* --- LUXURY MODAL REINVENTED --- */
.luxury-glass {
    background: rgba(255, 255, 255, 0.85) !important;
    backdrop-filter: blur(30px) saturate(200%);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 32px 32px 0 0 !important;
    padding: 2rem !important;
}

.modal-header-premium {
    text-align: center;
    margin-bottom: 2rem;
}

.title-cluster h2 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-dark);
    margin-bottom: 4px;
}

.live-indicator {
    background: var(--primary-soft);
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 99px;
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
}

/* SMART INPUTS */
.input-wrapper {
    display: flex;
    align-items: center;
    gap: 15px;
    background: #f8fafc;
    padding: 12px 16px;
    border-radius: 20px;
    margin-bottom: 1.5rem;
    border: 1px solid transparent;
    transition: all 0.3s ease;
}

.input-wrapper:focus-within {
    background: white;
    border-color: var(--primary-light);
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.05);
}

.input-icon-box {
    width: 40px;
    height: 40px;
    background: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    box-shadow: var(--shadow-sm);
}

/* VALUE INPUT */
.value-input-container {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 0;
    margin-bottom: 1rem;
}

.currency-symbol {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary);
    margin-right: 10px;
}

.value-input-container input {
    border: none !important;
    background: transparent !important;
    font-size: 3rem !important;
    font-weight: 900 !important;
    width: 200px !important;
    color: var(--text-main) !important;
    text-align: left !important;
    padding: 0 !important;
}

/* LUXURY SQUAD CHIPS */
.squad-selection-container {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 10px;
}

.squad-chip {
    padding: 8px 16px !important;
    border-radius: 16px !important;
    background: white !important;
    border: 2px solid #f1f5f9 !important;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) !important;
}

.squad-chip.selected {
    background: var(--primary) !important;
    border-color: var(--primary) !important;
    color: white !important;
    transform: translateY(-3px);
    box-shadow: 0 8px 15px rgba(37, 99, 235, 0.2);
}

/* PREMIUM BUTTONS */
.modal-btns-premium {
    display: grid;
    grid-template-columns: 1fr 1.8fr;
    gap: 15px;
    margin-top: 2rem;
}

.btn-luxury-primary {
    background: var(--primary);
    color: white;
    border: none;
    padding: 16px;
    border-radius: 20px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    cursor: pointer;
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.3);
}

.btn-luxury-outline {
    background: transparent;
    border: 2px solid #e2e8f0;
    color: var(--text-muted);
    padding: 16px;
    border-radius: 20px;
    font-weight: 700;
}
/* --- TRIP CART SOLID PREMIUM MODAL --- */
.luxury-glass {
    background: #ffffff !important; /* Solid white for a clean, expensive look */
    border-radius: 40px 40px 0 0 !important; /* Extra rounded top corners */
    border: none !important;
    box-shadow: 0 -20px 60px rgba(0, 0, 0, 0.15) !important;
    padding: 2.5rem !important;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-handle {
    width: 50px;
    height: 6px;
    background: #e2e8f0;
    border-radius: 10px;
    margin: 0 auto 1.5rem auto;
}

/* HIGH-IMPACT VALUE INPUT */
.value-input-container {
    background: #f1f5f9;
    padding: 2rem;
    border-radius: 28px;
    margin: 1.5rem 0;
    text-align: center;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.value-input-container:focus-within {
    background: #ffffff;
    border-color: var(--primary);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.1);
}

.currency-symbol {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    vertical-align: middle;
}

.value-input-container input {
    font-size: 3.5rem !important;
    font-weight: 900 !important;
    color: #1e293b !important;
    width: 80% !important;
    border: none !important;
    background: transparent !important;
    outline: none !important;
    padding: 0 !important;
    margin-left: 10px;
}

/* LUXURY SQUAD SELECTION */
.squad-selection-container {
    display: flex;
    overflow-x: auto; /* Horizontal scroll for a modern feel */
    gap: 12px;
    padding: 10px 0;
    scrollbar-width: none;
}

.squad-chip {
    flex: 0 0 auto;
    padding: 12px 24px !important;
    background: #f8fafc !important;
    color: #64748b !important;
    border: 2px solid #f1f5f9 !important;
    border-radius: 20px !important;
    font-weight: 700 !important;
    cursor: pointer;
    transition: all 0.2s ease !important;
}

.squad-chip.selected {
    background: #1e293b !important; /* Deep dark selected state */
    color: #ffffff !important;
    border-color: #1e293b !important;
    transform: scale(1.05);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* PREMIUM FORM WRAPPERS */
.input-wrapper {
    background: #f8fafc;
    border: 2px solid #f1f5f9;
    border-radius: 20px;
    padding: 12px 18px;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 15px;
}

.input-icon-box {
    color: var(--primary);
    background: #ffffff;
    padding: 10px;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.btn-luxury-primary {
    background: #1e293b !important; /* Solid dark premium button */
    height: 65px;
    border-radius: 22px !important;
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2) !important;
}

.pill-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

/* --- TRIPCART PREMIUM POP-UP REDESIGN --- */

/* 1. The Overlay: Deep Dim for Focus */
.modal {
    background: rgba(15, 23, 42, 0.7) !important; /* Deep slate overlay */
    backdrop-filter: blur(8px);
    display: none;
    align-items: flex-end; /* Mobile-first: slide from bottom */
    justify-content: center;
    z-index: 1000;
}

@media (min-width: 768px) {
    .modal { align-items: center; } /* Center on desktop */
}

/* 2. The Main Modal Card: Solid, Crisp, & Modern */
.modal-content.luxury-glass {
    background: #ffffff !important;
    width: 100%;
    max-width: 500px;
    border-radius: 32px 32px 0 0 !important; /* Elegant rounded top */
    padding: 30px !important;
    box-shadow: 0 -20px 50px rgba(0, 0, 0, 0.2) !important;
    position: relative;
    border: none !important;
}

@media (min-width: 768px) {
    .modal-content.luxury-glass {
        border-radius: 32px !important;
        box-shadow: 0 30px 100px rgba(0, 0, 0, 0.3) !important;
    }
}

/* 3. Modal Handle: Visual Cue for Sliding */
.modal-handle {
    width: 45px;
    height: 5px;
    background: #e2e8f0;
    border-radius: 10px;
    margin: -10px auto 25px auto;
}

/* 4. Live Preview Tag: The "Magic" element */
#live-split-preview {
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    background: #f1f5f9 !important;
    color: #334155 !important;
    border: 1px solid #e2e8f0;
    padding: 6px 16px;
    border-radius: 12px;
    display: inline-block;
    margin-top: 8px;
}

/* 5. Currency Input Area: Clean & Gigantic */
.value-input-container {
    background: #f8fafc;
    border-radius: 24px;
    padding: 30px 20px;
    margin: 20px 0;
    transition: all 0.3s ease;
    border: 1px solid #f1f5f9;
}

.value-input-container:focus-within {
    background: #ffffff;
    border-color: #3b82f6;
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.1);
}

.value-input-container input {
    font-size: 4rem !important;
    font-weight: 800 !important;
    color: #0f172a !important;
    border: none !important;
    background: transparent !important;
    outline: none !important;
    width: 85% !important;
    padding: 0 !important;
}

/* 6. Squad Chips: Minimalist Buttons */
.squad-selection-container {
    display: flex;
    gap: 10px;
    padding: 10px 0;
    overflow-x: auto;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

.squad-chip {
    flex: 0 0 auto;
    padding: 12px 22px !important;
    background: #ffffff !important;
    border: 1.5px solid #e2e8f0 !important;
    border-radius: 18px !important;
    color: #64748b !important;
    font-weight: 700 !important;
    font-size: 0.9rem !important;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.squad-chip.selected {
    background: #0f172a !important; /* Deep black/slate */
    border-color: #0f172a !important;
    color: #ffffff !important;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(15, 23, 42, 0.2);
}

/* 7. Input Wrappers (Description/Payer) */
.input-wrapper {
    background: #ffffff;
    border: 1.5px solid #f1f5f9;
    border-radius: 18px;
    padding: 14px 18px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: 0.2s;
}

.input-wrapper:focus-within {
    border-color: #cbd5e1;
}

.input-icon-box {
    color: #3b82f6;
    opacity: 0.8;
}

/* 8. The Ultimate Scrollbar: Apple-Style Modern */
.squad-selection-container::-webkit-scrollbar,
.ledger-list::-webkit-scrollbar {
    height: 4px;
    width: 4px;
}

.squad-selection-container::-webkit-scrollbar-track,
.ledger-list::-webkit-scrollbar-track {
    background: transparent;
}

.squad-selection-container::-webkit-scrollbar-thumb,
.ledger-list::-webkit-scrollbar-thumb {
    background: #cbd5e1; /* Subtle slate color */
    border-radius: 20px;
}

.squad-selection-container::-webkit-scrollbar-thumb:hover,
.ledger-list::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* 9. Buttons: Premium Interaction */
.btn-luxury-primary {
    background: #3b82f6 !important; /* TripCart Blue */
    color: #ffffff !important;
    border: none;
    border-radius: 20px !important;
    font-weight: 800;
    font-size: 1rem;
    height: 60px;
    width: 100%;
    cursor: pointer;
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3) !important;
    transition: all 0.3s ease;
}

.btn-luxury-primary:active {
    transform: scale(0.97);
    box-shadow: 0 5px 15px rgba(59, 130, 246, 0.2) !important;
}

.btn-luxury-outline {
    background: #ffffff !important;
    color: #94a3b8 !important;
    border: 1.5px solid #f1f5f9 !important;
    border-radius: 20px !important;
    font-weight: 700;
    cursor: pointer;
    transition: 0.2s;
}

.btn-luxury-outline:hover {
    background: #f8fafc !important;
    color: #64748b !important;
}

/* Extra Polish for Form Labels */
.luxury-input-group label {
    font-size: 0.75rem;
    font-weight: 800;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-left: 5px;
}

/* --- TRIPCART PREMIUM REFINED MODAL --- */

/* 1. Modal Container: Balanced & Centered */
.modal {
    background: rgba(15, 23, 42, 0.6) !important;
    backdrop-filter: blur(10px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content.luxury-glass {
    background: #ffffff !important;
    width: 90%;
    max-width: 420px; /* Precise, mobile-optimized width */
    border-radius: 28px !important;
    padding: 24px !important;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25) !important;
    border: 1px solid rgba(0, 0, 0, 0.05) !important;
}

/* 2. Header & Live Tag */
.modal-handle {
    width: 40px;
    height: 4px;
    background: #f1f5f9;
    border-radius: 10px;
    margin: -8px auto 16px auto;
}

#live-split-preview {
    font-size: 0.75rem;
    font-weight: 700;
    background: #eff6ff !important; /* Soft TripCart Blue */
    color: #2563eb !important;
    padding: 4px 12px;
    border-radius: 8px;
    margin-top: 6px;
}

/* 3. Value Input: Normal Scale, Bold Impact */
.value-input-container {
    background: #f8fafc;
    border-radius: 18px;
    padding: 16px;
    margin: 16px 0;
    border: 1px solid #f1f5f9;
    display: flex;
    align-items: center;
    justify-content: center;
}

.value-input-container:focus-within {
    background: #ffffff;
    border-color: #3b82f6;
}

.currency-symbol {
    font-size: 1.25rem;
    font-weight: 700;
    color: #64748b;
}

.value-input-container input {
    font-size: 1.75rem !important; /* Normal, readable size */
    font-weight: 800 !important;
    color: #1e293b !important;
    border: none !important;
    background: transparent !important;
    outline: none !important;
    width: 140px !important;
    padding: 0 0 0 8px !important;
}

/* 4. Squad Chips: Modern Pill Style */
.squad-selection-container {
    display: flex;
    gap: 8px;
    padding: 8px 0;
    overflow-x: auto;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

.squad-chip {
    flex: 0 0 auto;
    padding: 8px 16px !important;
    background: #ffffff !important;
    border: 1px solid #e2e8f0 !important;
    border-radius: 12px !important;
    color: #475569 !important;
    font-weight: 600 !important;
    font-size: 0.85rem !important;
    cursor: pointer;
    transition: all 0.2s ease;
}

.squad-chip.selected {
    background: #1e293b !important; /* TripCart Slate */
    border-color: #1e293b !important;
    color: #ffffff !important;
}

/* 5. Custom Rebranding Scrollbar */
.squad-selection-container::-webkit-scrollbar {
    height: 4px;
}

.squad-selection-container::-webkit-scrollbar-track {
    background: #f1f5f9;
    border-radius: 10px;
}

.squad-selection-container::-webkit-scrollbar-thumb {
    background: #cbd5e1; /* Matches website slate */
    border-radius: 10px;
}

.squad-selection-container::-webkit-scrollbar-thumb:hover {
    background: #3b82f6; /* Pops blue on hover */
}

/* 6. Form Field Wrappers */
.input-wrapper {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    padding: 10px 14px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.input-icon-box {
    color: #3b82f6;
    width: 18px;
    height: 18px;
}

.input-wrapper input, .input-wrapper select {
    font-size: 0.9rem !important;
    font-weight: 600;
    color: #334155;
    border: none !important;
    outline: none !important;
    background: transparent !important;
    width: 100%;
}

/* 7. Action Buttons: Refined Dimensions */
.btn-luxury-primary {
    background: #1e293b !important;
    color: #ffffff !important;
    border-radius: 14px !important;
    font-weight: 700;
    font-size: 0.9rem;
    height: 48px;
    width: 100%;
    cursor: pointer;
    border: none;
    box-shadow: 0 4px 12px rgba(30, 41, 59, 0.15);
    transition: all 0.2s ease;
}

.btn-luxury-primary:hover {
    background: #334155 !important;
    transform: translateY(-1px);
}

.btn-luxury-outline {
    background: #ffffff !important;
    color: #64748b !important;
    border: 1px solid #e2e8f0 !important;
    border-radius: 14px !important;
    font-weight: 700;
    font-size: 0.85rem;
    height: 48px;
    padding: 0 16px;
    cursor: pointer;
}

/* Labels */
.luxury-input-group label {
    font-size: 0.7rem;
    font-weight: 800;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
    display: block;
}

/* --- TRIPCART REFINED MODAL CSS --- */

.modal-content.luxury-glass {
    background: #ffffff !important;
    width: 90%;
    max-width: 400px; /* Precise width */
    border-radius: 24px !important;
    padding: 24px !important;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2) !important;
    border: 1px solid #f1f5f9 !important;
}

.modal-header-compact {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.modal-header-compact h2 {
    font-size: 1.2rem;
    font-weight: 800;
    color: #1e293b;
}

#live-split-preview {
    font-size: 0.7rem;
    font-weight: 800;
    background: #eff6ff;
    color: #2563eb;
    padding: 4px 10px;
    border-radius: 8px;
    text-transform: uppercase;
}

/* INPUT SCALING */
.luxury-input-group { margin-bottom: 16px; }
.luxury-input-group label {
    font-size: 0.75rem;
    font-weight: 700;
    color: #64748b;
    margin-bottom: 8px;
    display: block;
}

.input-wrapper {
    background: #f8fafc;
    border: 1.5px solid #e2e8f0;
    border-radius: 12px;
    padding: 8px 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.input-wrapper input, .input-wrapper select {
    border: none;
    background: transparent;
    font-size: 0.95rem;
    font-weight: 600;
    color: #1e293b;
    width: 100%;
    outline: none;
}

/* CATEGORY PILLS */
.category-pill-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.pill {
    padding: 8px;
    border-radius: 10px;
    border: 1.5px solid #e2e8f0;
    background: white;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: 0.2s;
}

.pill.active {
    background: #1e293b;
    color: white;
    border-color: #1e293b;
}

/* SQUAD SELECTION & SCROLLBAR */
.squad-selection-container {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 10px;
}

.squad-chip {
    flex: 0 0 auto;
    padding: 8px 16px;
    background: #ffffff;
    border: 1.5px solid #e2e8f0;
    border-radius: 10px;
    font-size: 0.85rem;
    font-weight: 700;
    color: #475569;
}

.squad-chip.selected {
    background: #3b82f6;
    color: white;
    border-color: #3b82f6;
}

/* CUSTOM SCROLLBAR - Matching Website Theme */
.squad-selection-container::-webkit-scrollbar {
    height: 4px;
}

.squad-selection-container::-webkit-scrollbar-track {
    background: #f1f5f9;
    border-radius: 10px;
}

.squad-selection-container::-webkit-scrollbar-thumb {
    background: #cbd5e1; /* Slate color */
    border-radius: 10px;
}

.squad-selection-container::-webkit-scrollbar-thumb:hover {
    background: #2563eb; /* Blue on hover */
}

/* VALUE INPUT */
.value-input-container {
    background: #f8fafc;
    border-radius: 12px;
    padding: 12px;
    display: flex;
    align-items: center;
    border: 1.5px solid #e2e8f0;
}

.value-input-container input {
    font-size: 1.5rem;
    font-weight: 800;
    color: #1e293b;
    border: none;
    background: transparent;
    width: 100%;
    margin-left: 10px;
    outline: none;
}

.input-hint {
    font-size: 0.65rem;
    color: #94a3b8;
    margin-top: 5px;
    font-weight: 600;
}

/* BUTTONS */
.modal-btns-premium {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 12px;
    margin-top: 20px;
}

.btn-luxury-primary {
    background: #1e293b;
    color: white;
    border: none;
    border-radius: 12px;
    font-weight: 800;
    font-size: 0.9rem;
    height: 45px;
}

.btn-luxury-outline {
    background: transparent;
    border: 1.5px solid #e2e8f0;
    color: #64748b;
    border-radius: 12px;
    font-weight: 700;
    font-size: 0.85rem;
}

/* --- TRIPCART ULTIMATE MODAL MASTERCLASS --- */

.luxury-solid-card {
    background: #ffffff !important;
    border-radius: 32px 32px 0 0 !important;
    padding: 30px !important;
    box-shadow: 0 -30px 100px rgba(0, 0, 0, 0.25) !important;
    border-top: 1px solid #f1f5f9 !important;
    animation: slideUpModal 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideUpModal {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

/* SMART HEADER */
.modal-smart-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 25px;
}

.premium-title { font-size: 1.4rem; font-weight: 900; color: #0f172a; margin: 0; }
.premium-subtitle { font-size: 0.75rem; color: #94a3b8; font-weight: 600; margin: 2px 0 0 0; }

.live-telemetry-chip {
    background: #0f172a;
    color: #ffffff;
    padding: 6px 14px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 800;
    box-shadow: 0 4px 15px rgba(15, 23, 42, 0.2);
}

/* FORM SECTIONS */
.form-section-modern { margin-bottom: 20px; }
.logic-label { font-size: 0.7rem; font-weight: 800; color: #64748b; text-transform: uppercase; letter-spacing: 0.8px; margin-bottom: 10px; display: block; }

/* INPUT STACK */
.input-stack-premium {
    display: flex;
    align-items: center;
    gap: 15px;
    background: #f8fafc;
    padding: 12px 18px;
    border-radius: 20px;
    border: 1.5px solid #f1f5f9;
}

.icon-indicator { color: #3b82f6; width: 20px; height: 20px; }
.field-logic input { border: none; background: transparent; width: 100%; font-weight: 700; color: #1e293b; outline: none; }

/* CATEGORY TABS */
.category-grid-modern { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.cat-tab {
    background: #ffffff;
    border: 1.5px solid #f1f5f9;
    padding: 12px 5px;
    border-radius: 18px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    transition: 0.3s;
}
.cat-tab i { width: 18px; height: 18px; color: #64748b; }
.cat-tab span { font-size: 0.7rem; font-weight: 800; color: #64748b; }
.cat-tab.active { background: #eff6ff; border-color: #3b82f6; }
.cat-tab.active i, .cat-tab.active span { color: #3b82f6; }

/* SQUAD ENGINE & CUSTOM SCROLLBAR */
.squad-scroll-engine {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding: 5px 0 15px 0;
}
.squad-scroll-engine::-webkit-scrollbar { height: 5px; }
.squad-scroll-engine::-webkit-scrollbar-thumb { background: #3b82f6; border-radius: 10px; }

/* MONEY FIELD */
.money-input-field {
    background: #0f172a;
    border-radius: 20px;
    padding: 15px 25px;
    display: flex;
    align-items: center;
    gap: 15px;
}
.currency-symbol-modern { color: #3b82f6; font-size: 1.5rem; font-weight: 900; }
.money-input-field input {
    background: transparent;
    border: none;
    color: #ffffff;
    font-size: 2rem;
    font-weight: 900;
    width: 100%;
    outline: none;
}

/* PAYER SELECT */
.payer-select-box {
    background: #ffffff;
    border: 1.5px solid #f1f5f9;
    border-radius: 18px;
    padding: 12px 18px;
    display: flex;
    align-items: center;
    gap: 12px;
}
.payer-icon { color: #3b82f6; width: 18px; }
.payer-select-box select { border: none; width: 100%; font-weight: 700; color: #1e293b; outline: none; }

/* FOOTER ACTIONS */
.modal-footer-actions {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 15px;
    margin-top: 30px;
}
.btn-cancel-luxury { background: #f1f5f9; border: none; border-radius: 18px; font-weight: 800; color: #64748b; font-size: 0.9rem; cursor: pointer; }
.btn-sync-luxury {
    background: #3b82f6;
    color: white;
    border: none;
    border-radius: 18px;
    font-weight: 800;
    height: 55px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
}



/* ================================================================
   TRIPCART PLATINUM v25.0 | MASTER STYLESHEET
   Architecture: Hybrid Atomic-Modular (HAM)
   Updated: 2026 Katra Expedition Edition
   ================================================================ */

/* --- 1. CORE SYSTEM VARIABLES --- */
:root {
    --p-h: 221; --p-s: 83%; --p-l: 53%;
    --primary: hsl(var(--p-h), var(--p-s), var(--p-l));
    --primary-dark: hsl(var(--p-h), var(--p-s), 40%);
    --primary-soft: hsl(var(--p-h), var(--p-s), 96%);
    --primary-glass: hsla(var(--p-h), var(--p-s), var(--p-l), 0.1);
    
    --bg-dark: #0f172a;
    --bg-surface: #ffffff;
    --text-main: #0f172a;
    --text-muted: #64748b;
    
    --radius-md: 16px;
    --radius-xl: 32px;
    
    --shadow-p: 0 10px 25px -3px hsla(var(--p-h), var(--p-s), var(--p-l), 0.3);
    --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* --- 2. LUXURY AMBIENT ENGINE --- */
body {
    background: #f8fafc;
    color: var(--text-main);
    font-family: 'Plus Jakarta Sans', sans-serif;
    margin: 0;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Dynamic Background Blurs */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -1;
    filter: blur(100px);
    opacity: 0.5;
    background: radial-gradient(circle at 10% 20%, #3b82f6 0%, #a855f7 30%, #f8fafc 70%);
}

/* --- 3. LAYOUT ARCHITECTURE --- */
.main-content {
    margin-left: 300px;
    padding: 3rem;
    transition: all 0.3s ease;
}

@media (max-width: 1024px) {
    .main-content { margin-left: 0; padding: 1.5rem 1rem 120px; }
    .sidebar { display: none; }
}

/* --- 4. BENTO GRID & LUXURY CARDS --- */
.premium-quad-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 0.8fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.luxury-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: 0 10px 30px -10px rgba(0,0,0,0.05);
    transition: var(--transition-bounce);
}

.primary-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%) !important;
    color: white !important;
}

/* --- 5. THE ULTIMATE MODAL (SOLID PREMIUM) --- */
.modal-content.luxury-solid-card {
    background: #ffffff !important;
    border-radius: 32px 32px 0 0 !important;
    padding: 30px !important;
    box-shadow: 0 -20px 60px rgba(0, 0, 0, 0.15) !important;
    border: none !important;
    max-width: 500px;
    width: 100%;
}

/* Money Input Logic */
.money-input-field {
    background: #0f172a;
    border-radius: 20px;
    padding: 15px 25px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: inset 0 2px 10px rgba(0,0,0,0.2);
}

.money-input-field input {
    background: transparent;
    border: none;
    color: #ffffff;
    font-size: 2.2rem;
    font-weight: 900;
    width: 100%;
    outline: none;
    font-family: 'Inter', monospace;
}

/* --- 6. SQUAD ENGINE (MOBILE OPTIMIZED) --- */
.squad-scroll-engine {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    padding: 10px 0;
    scrollbar-width: none; /* Firefox */
}

.squad-scroll-engine::-webkit-scrollbar { display: none; } /* Chrome/Safari */

.squad-chip {
    flex: 0 0 auto;
    padding: 12px 20px;
    background: #f8fafc;
    border: 1.5px solid #f1f5f9;
    border-radius: 18px;
    font-weight: 700;
    color: #64748b;
    cursor: pointer;
    transition: all 0.2s ease;
}

.squad-chip.selected {
    background: #0f172a;
    color: white;
    border-color: #0f172a;
    transform: translateY(-2px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.1);
}

/* --- 7. TIMELINE & ACTIVITY FEED --- */
.timeline-style {
    position: relative;
    border-left: 2px solid #f1f5f9;
    margin-left: 1rem;
    padding-left: 1.5rem;
}

.activity-item {
    background: white;
    border-radius: var(--radius-md);
    padding: 1.25rem;
    margin-bottom: 1rem;
    border: 1px solid #f1f5f9;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.02);
}

.activity-item::before {
    content: '';
    position: absolute;
    left: -1.9rem;
    top: 50%;
    width: 10px; height: 10px;
    background: white;
    border: 2px solid var(--primary);
    border-radius: 50%;
}

/* --- 8. NAVIGATION (SIDEBAR & MOBILE) --- */
.mobile-nav {
    display: flex;
    position: fixed;
    bottom: 20px; left: 20px; right: 20px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 12px;
    justify-content: space-around;
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
    z-index: 2000;
    border: 1px solid rgba(255,255,255,0.4);
}

.m-nav-item {
    background: transparent; border: none;
    display: flex; flex-direction: column; align-items: center;
    gap: 4px; color: var(--text-muted); font-weight: 800;
    font-size: 0.65rem; text-transform: uppercase;
}

.m-nav-item.active { color: var(--primary); }

/* --- 9. ANIMATIONS & UTILS --- */
@keyframes slideUp {
    from { transform: translateY(100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-content { animation: slideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1); }

.pulse-icon::after {
    content: ''; position: absolute; inset: 0;
    border-radius: 50%; background: #10b981;
    animation: pulse-ring 2s infinite;
}

@keyframes pulse-ring {
    0% { transform: scale(1); opacity: 0.7; }
    100% { transform: scale(2.5); opacity: 0; }
}

/* --- MODAL WRAPPER --- */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(8px);
    z-index: 5000;
    align-items: flex-end; /* Slides from bottom on mobile */
    justify-content: center;
}

@media (min-width: 768px) {
    .modal { align-items: center; padding: 20px; }
}

/* --- MODAL CARD --- */
.luxury-solid-card {
    background: #ffffff;
    width: 100%;
    max-width: 520px;
    padding: 2rem;
    border-radius: 32px 32px 0 0; /* Bottom sheet style */
    box-shadow: 0 -20px 50px rgba(0,0,0,0.15);
    max-height: 92vh;
    overflow-y: auto;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@media (min-width: 768px) {
    .luxury-solid-card { border-radius: 28px; }
}

/* --- HEADER & LIVE TAG --- */
.modal-smart-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.premium-title { font-size: 1.4rem; font-weight: 900; color: #0f172a; margin: 0; }
.premium-subtitle { font-size: 0.8rem; color: #94a3b8; font-weight: 600; margin-top: 2px; }

.live-telemetry-chip {
    background: #0f172a;
    color: #fff;
    padding: 6px 14px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 800;
}

/* --- CATEGORY TABS (4-Column Grid) --- */
.category-grid-modern {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.cat-tab {
    background: #f8fafc;
    border: 1.5px solid #f1f5f9;
    padding: 12px 5px;
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    transition: 0.2s;
}

.cat-tab.active {
    background: #eff6ff;
    border-color: #3b82f6;
    color: #3b82f6;
}

/* --- SQUAD SCROLL ENGINE --- */
.squad-scroll-engine {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding: 10px 0;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
}

.squad-chip {
    flex: 0 0 auto;
    padding: 10px 18px;
    background: #f1f5f9;
    border-radius: 14px;
    font-size: 0.85rem;
    font-weight: 700;
    color: #475569;
    transition: 0.2s;
}

.squad-chip.selected {
    background: #1e293b;
    color: white;
}

/* --- TWO-COLUMN ROW (DESKTOP ONLY) --- */
.form-row-split {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 600px) {
    .form-row-split { grid-template-columns: 1.2fr 1fr; }
}

/* --- MONEY INPUT --- */
.money-input-field {
    background: #0f172a;
    border-radius: 18px;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.currency-symbol-modern { color: #3b82f6; font-size: 1.4rem; font-weight: 900; }

.money-input-field input {
    background: transparent;
    border: none;
    color: white;
    font-size: 1.6rem;
    font-weight: 900;
    width: 100%;
    outline: none;
}

/* --- ACTION BUTTONS --- */
.modal-footer-actions {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 12px;
    margin-top: 2rem;
}

.btn-sync-luxury {
    background: #3b82f6;
    color: white;
    border: none;
    border-radius: 16px;
    height: 54px;
    font-weight: 800;
    font-size: 1rem;
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.2);
}

.btn-cancel-luxury {
    background: #f1f5f9;
    border: none;
    border-radius: 16px;
    font-weight: 700;
    color: #64748b;
}

/* --- UTILS --- */
.logic-label { font-size: 0.7rem; font-weight: 800; color: #94a3b8; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; display: block; }
.label-row-flex { display: flex; justify-content: space-between; align-items: center; }
.action-link-sm { background: none; border: none; color: #3b82f6; font-size: 0.75rem; font-weight: 800; cursor: pointer; }
.input-hint { font-size: 0.7rem; color: #94a3b8; margin-top: 6px; font-weight: 500; }
.modal-handle { width: 40px; height: 5px; background: #e2e8f0; border-radius: 10px; margin: -10px auto 20px auto; }

/* --- BENTO GRID RESPONSIVENESS --- */
.premium-quad-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr); /* Desktop default */
    gap: 1.25rem;
}

@media (max-width: 768px) {
    .premium-quad-grid {
        grid-template-columns: repeat(2, 1fr); /* 2 columns on mobile */
        gap: 0.75rem;
    }

    /* Make Total Spend take the top row entirely */
    .stat-card.primary-gradient {
        grid-column: span 2;
        padding: 1.5rem;
    }

    /* Font Scaling for Mobile to prevent overflow */
    .stat-value {
        font-size: 2.2rem !important; /* Slightly smaller for mobile */
    }

    .stat-value-mid {
        font-size: 1.4rem !important;
    }

    .stat-label {
        font-size: 0.65rem !important;
        letter-spacing: 0.5px;
    }
}

/* --- DESIGN POLISH --- */
.stat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.verified-badge {
    font-size: 0.6rem;
    background: rgba(255,255,255,0.2);
    padding: 2px 8px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.progress-mini-container {
    height: 4px;
    background: rgba(255,255,255,0.2);
    border-radius: 10px;
    margin-top: 1rem;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: #fff;
    box-shadow: 0 0 10px rgba(255,255,255,0.5);
}

/* --- TRIPCART PLATINUM FLOATING PLATE NAV --- */
:root {
    --nav-bg: rgba(15, 23, 42, 0.8);
    --nav-glass: blur(24px) saturate(210%);
    --nav-border: rgba(255, 255, 255, 0.08);
    --active-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
}

.mobile-nav {
    display: none; /* Hidden on Desktop */
}

@media (max-width: 1024px) {
    .mobile-nav {
        display: flex;
        position: fixed;
        bottom: 30px; /* Floating away from bottom edge */
        left: 20px;
        right: 20px;
        height: 74px;
        background: var(--nav-bg);
        backdrop-filter: var(--nav-glass);
        -webkit-backdrop-filter: var(--nav-glass);
        border: 1px solid var(--nav-border);
        border-radius: 28px; /* Ultra-rounded pill shape */
        padding: 0 10px;
        justify-content: space-around;
        align-items: center;
        box-shadow: 
            0 20px 40px rgba(0, 0, 0, 0.4),
            inset 0 1px 1px rgba(255, 255, 255, 0.1);
        z-index: 5000;
        transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    }

    .m-nav-item {
        position: relative;
        flex: 1;
        height: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        background: transparent;
        border: none;
        color: #94a3b8;
        gap: 6px;
        cursor: pointer;
        transition: all 0.3s ease;
        -webkit-tap-highlight-color: transparent;
    }

    /* The Animated Active "Glow" Indicator */
    .m-nav-item.active {
        color: #fff;
    }

    .m-nav-item.active i {
        transform: translateY(-4px);
        color: #fff;
        filter: drop-shadow(0 0 8px rgba(168, 85, 247, 0.8));
    }

    .m-nav-item.active::after {
        content: '';
        position: absolute;
        bottom: 12px;
        width: 6px;
        height: 6px;
        background: #a855f7;
        border-radius: 50%;
        box-shadow: 0 0 12px #a855f7;
        animation: activePulse 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    }

    .m-nav-item i {
        width: 22px;
        height: 22px;
        transition: transform 0.3s ease, color 0.3s ease;
    }

    .m-nav-item span {
        font-size: 0.65rem;
        font-weight: 800;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        opacity: 0.7;
    }

    .m-nav-item.active span {
        opacity: 1;
        color: #fff;
    }
}

/* Entry Animation for the Plate */
@keyframes slideUpPlate {
    from { transform: translateY(100px) scale(0.9); opacity: 0; }
    to { transform: translateY(0) scale(1); opacity: 1; }
}

.mobile-nav {
    animation: slideUpPlate 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Pulse for the active dot */
@keyframes activePulse {
    0% { transform: scale(0); }
    100% { transform: scale(1); }
}

/* Hide Nav when modal is open to keep UI clean */
body.modal-open .mobile-nav {
    transform: translateY(150px);
}

/* --- 1. DESKTOP SIDEBAR (Static) --- */
.sidebar {
    width: 300px;
    background: var(--bg-surface);
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    padding: 2.5rem 1.5rem;
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border-base);
    z-index: 1000;
}

/* --- 2. MOBILE FLOATING PLATE (Responsive) --- */
/* We hide it by default for desktop */
.mobile-nav {
    display: none;
}

/* --- 3. THE "SUPERB" MOBILE MEDIA QUERY --- */
@media (max-width: 1024px) {
    /* Hide the sidebar on mobile to make room */
    .sidebar {
        display: none !important;
    }

    /* Shift main content to full width since sidebar is gone */
    .main-content {
        margin-left: 0 !important;
        width: 100% !important;
        padding-bottom: 120px !important; /* Space so content isn't hidden by the floating bar */
    }

    /* THE FLOATING PLATE REVEAL */
    .mobile-nav {
        display: flex; /* Show only on mobile */
        position: fixed;
        bottom: 30px; 
        left: 20px;
        right: 20px;
        height: 74px;
        background: rgba(255, 255, 255, 0.75); /* Frosted Glass */
        backdrop-filter: blur(25px) saturate(200%);
        -webkit-backdrop-filter: blur(25px) saturate(200%);
        border: 1px solid rgba(255, 255, 255, 0.4);
        border-radius: 28px;
        padding: 0 10px;
        justify-content: space-around;
        align-items: center;
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
        z-index: 5000;
        animation: slideUpPlate 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    }

    .m-nav-item {
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        background: transparent;
        border: none;
        color: #94a3b8;
        gap: 5px;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    /* Active State: Floating Glow */
    .m-nav-item.active {
        color: #3b82f6; /* TripCart Blue */
        transform: translateY(-5px);
    }

    .m-nav-item.active i {
        filter: drop-shadow(0 0 8px rgba(59, 130, 246, 0.5));
    }

    .m-nav-item span {
        font-size: 0.6rem;
        font-weight: 800;
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }
}

/* --- 4. ANIMATIONS --- */
@keyframes slideUpPlate {
    from { transform: translateY(100px) scale(0.9); opacity: 0; }
    to { transform: translateY(0) scale(1); opacity: 1; }
}

/* ================================================================
   TRIPCART PLATINUM: AURORA FLOATING PLATE v25.0.9
   ================================================================ */

:root {
    /* Aurora System Colors */
    --nav-bg: #0f172a; /* Deep Slate/Sapphire */
    --nav-border: rgba(99, 102, 241, 0.3); /* Indigo Glow */
    --accent-aurora: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
    --active-text: #ffffff;
    --inactive-text: #64748b;
}

/* 1. Desktop Neutralization (Hide Sidebar on Mobile / Hide Nav on Desktop) */
.mobile-nav {
    display: none;
}

@media (max-width: 1024px) {
    /* THE SUPERB COLORED FLOATING PLATE */
    .mobile-nav {
        display: flex;
        position: fixed;
        bottom: 30px; 
        left: 20px;
        right: 20px;
        height: 76px;
        
        /* High-Impact Colorful Base */
        background: var(--nav-bg);
        border: 2px solid var(--nav-border);
        border-radius: 30px;
        padding: 0 15px;
        justify-content: space-around;
        align-items: center;
        
        /* Multi-Layered Glow Shadow */
        box-shadow: 
            0 15px 35px rgba(0, 0, 0, 0.4),
            0 0 15px rgba(99, 102, 241, 0.2),
            inset 0 1px 1px rgba(255, 255, 255, 0.1);
            
        z-index: 5000;
        animation: auroraSlideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    }

    /* Navigation Items */
    .m-nav-item {
        position: relative;
        flex: 1;
        height: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        background: transparent;
        border: none;
        color: var(--inactive-text);
        gap: 4px;
        transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        -webkit-tap-highlight-color: transparent;
    }

    /* Active State: The Aurora Explosion */
    .m-nav-item.active {
        color: var(--active-text);
    }

    /* Icon Neon Glow */
    .m-nav-item.active i {
        transform: translateY(-10px) scale(1.2);
        background: var(--accent-aurora);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        filter: drop-shadow(0 0 12px rgba(168, 85, 247, 0.6));
    }

    /* The Animated Under-Glow Pill */
    .m-nav-item.active::before {
        content: '';
        position: absolute;
        bottom: 12px;
        width: 35px;
        height: 4px;
        background: var(--accent-aurora);
        border-radius: 10px;
        box-shadow: 0 0 15px rgba(168, 85, 247, 0.8);
        animation: pillExpand 0.4s ease-out;
    }

    .m-nav-item span {
        font-size: 0.6rem;
        font-weight: 900;
        text-transform: uppercase;
        letter-spacing: 1px;
        opacity: 0.5;
        transition: 0.3s;
    }

    .m-nav-item.active span {
        opacity: 1;
        transform: translateY(2px);
        background: var(--accent-aurora);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }
}

/* --- ANIMATION ORCHESTRATION --- */
@keyframes auroraSlideUp {
    from { 
        transform: translateY(120px) rotateX(20deg); 
        opacity: 0; 
    }
    to { 
        transform: translateY(0) rotateX(0deg); 
        opacity: 1; 
    }
}

@keyframes pillExpand {
    0% { width: 0; opacity: 0; }
    100% { width: 35px; opacity: 1; }
}

/* ================================================================
   TRIPCART PLATINUM: AURORA FLOATING PLATE v25.0.9 (COLOR EDIT)
   ================================================================ */

:root {
    --nav-bg: #0f172a; /* Deep Sapphire Base */
    --accent-aurora: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
    --inactive-text: #64748b;
}

@media (max-width: 1024px) {
    .mobile-nav {
        display: flex;
        position: fixed;
        bottom: 30px; 
        left: 20px;
        right: 20px;
        height: 76px;
        background: var(--nav-bg);
        border: 2px solid rgba(99, 102, 241, 0.2);
        border-radius: 30px;
        padding: 0 15px;
        justify-content: space-around;
        align-items: center;
        box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
        z-index: 5000;
        animation: auroraSlideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    }

    .m-nav-item {
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 4px;
        transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        background: transparent;
        border: none;
    }

    /* --- THE SUPERB COLOR TEXT LOGIC --- */
    .m-nav-item span {
        font-size: 0.65rem;
        font-weight: 900;
        text-transform: uppercase;
        letter-spacing: 1px;
        color: var(--inactive-text); /* Inactive color */
        transition: all 0.3s ease;
    }

    /* Active State: Text Gradient Reveal */
    .m-nav-item.active span {
        /* Apply Aurora Gradient to Text */
        background: var(--accent-aurora);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        
        /* Subtle Lift & Glow */
        transform: translateY(2px);
        opacity: 1;
        filter: drop-shadow(0 0 5px rgba(168, 85, 247, 0.4));
    }

    /* Active State: Icon Gradient Reveal */
    .m-nav-item.active i {
        transform: translateY(-10px) scale(1.2);
        background: var(--accent-aurora);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        filter: drop-shadow(0 0 12px rgba(168, 85, 247, 0.6));
    }

    /* Active Indicator (Glowing Pill) */
    .m-nav-item.active::before {
        content: '';
        position: absolute;
        bottom: 10px;
        width: 30px;
        height: 3px;
        background: var(--accent-aurora);
        border-radius: 10px;
        box-shadow: 0 0 15px rgba(168, 85, 247, 0.8);
    }
}

/* Entry Animation */
@keyframes auroraSlideUp {
    from { transform: translateY(120px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}