/* ===== 1. ICON FIX ===== */
@font-face {
    font-family: 'Material Icons Round';
    font-style: normal;
    font-weight: 400;
    src: url(https://fonts.gstatic.com/s/materialiconsround/v108/LDItaoyNOAY6Uewc665JcIzCKsKc_M9flwmP.woff2) format('woff2');
}

.material-icons {
    font-family: 'Material Icons Round';
    font-weight: normal;
    font-style: normal;
    font-size: 24px;
    display: inline-block;
    line-height: 1;
    text-transform: none;
    letter-spacing: normal;
    word-wrap: normal;
    white-space: nowrap;
    direction: ltr;
    -webkit-font-smoothing: antialiased;
}

/* ===== 2. VARIABLES & RESET ===== */
:root {
    --primary: #6366f1;
    --primary-dark: #4338ca;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --bg-body: #f8fafc;
    --bg-card: #ffffff;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --radius: 16px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.15);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg-body);
    color: var(--text-main);
    padding-bottom: 90px;
    -webkit-tap-highlight-color: transparent;
}

.hidden { display: none !important; }

/* ===== 3. AUTH SCREEN ===== */
.auth-container {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
}

.login-content {
    background: white;
    padding: 40px;
    border-radius: 24px;
    text-align: center;
    width: 90%;
    max-width: 400px;
    box-shadow: var(--shadow-lg);
}

.login-icon { font-size: 60px; margin-bottom: 20px; }
.login-content h1 { margin-bottom: 10px; color: var(--text-main); font-size: 2rem; }
.login-content p { color: var(--text-muted); margin-bottom: 30px; font-size: 1.1rem; }

/* ===== 4. HEADER ===== */
.app-header {
    background: white;
    padding: 12px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.app-logo { font-size: 28px; }
.app-title { font-weight: 700; font-size: 1.2rem; color: var(--primary); }

.user-info { 
    display: flex; 
    gap: 10px; 
    align-items: center; 
    cursor: pointer;
    transition: all 0.3s ease;
}

.user-info:hover { opacity: 0.7; }

.avatar img { 
    width: 40px; 
    height: 40px; 
    border-radius: 50%; 
    object-fit: cover; 
    border: 2px solid var(--primary); 
}

.user-details h2 { 
    font-size: 0.95rem; 
    font-weight: 700; 
    margin-bottom: 2px;
}

.user-details small { 
    font-size: 0.75rem; 
    color: var(--text-muted); 
}

.menu-btn { 
    background: none; 
    border: none; 
    color: var(--text-main); 
    cursor: pointer; 
    padding: 5px;
}

/* ===== 5. NET WORTH CARD ===== */
.net-worth-section { padding: 20px; }

.worth-card {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    border-radius: 24px;
    padding: 30px 20px;
    color: white;
    text-align: center;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.worth-card::after {
    content: ''; 
    position: absolute; 
    top: -50%; 
    right: -50%;
    width: 200px; 
    height: 200px;
    background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, transparent 70%);
    border-radius: 50%;
}

.worth-label { 
    font-size: 0.85rem; 
    text-transform: uppercase; 
    letter-spacing: 2px; 
    opacity: 0.9; 
    margin-bottom: 10px; 
    font-weight: 600;
}

.worth-value { 
    font-size: 3.5rem;
    font-weight: 900; 
    margin-bottom: 25px; 
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
    letter-spacing: -1px;
}

.worth-details {
    display: flex; 
    justify-content: center; 
    align-items: center; 
    gap: 20px;
    background: rgba(0, 0, 0, 0.15);
    padding: 15px; 
    border-radius: 12px; 
    backdrop-filter: blur(5px);
}

.detail-item { 
    display: flex; 
    flex-direction: column; 
    gap: 5px;
}

.detail-item .lbl { 
    font-size: 0.75rem; 
    opacity: 0.85; 
    font-weight: 500;
}

.detail-item .val { 
    font-size: 1.1rem; 
    font-weight: 700; 
}

.detail-item .val.liability { color: #fca5a5; }

.divider { 
    width: 1px; 
    height: 40px; 
    background: rgba(255,255,255,0.2); 
}

/* ===== 6. STATS GRID ===== */
.stats-grid { 
    padding: 0 20px 20px; 
    display: grid; 
    grid-template-columns: 1fr 1fr; 
    gap: 15px; 
}

.stat-card {
    background: white; 
    padding: 18px; 
    border-radius: 20px;
    display: flex; 
    align-items: center; 
    gap: 15px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.stat-icon {
    width: 50px; 
    height: 50px; 
    border-radius: 50%;
    display: flex; 
    align-items: center; 
    justify-content: center;
    font-size: 24px;
}

.stat-card.income .stat-icon { 
    background: #d1fae5; 
    color: var(--success); 
}

.stat-card.expense .stat-icon { 
    background: #fee2e2; 
    color: var(--danger); 
}

.stat-info small { 
    font-size: 0.75rem; 
    color: var(--text-muted); 
    text-transform: uppercase; 
    font-weight: 700;
    letter-spacing: 0.5px;
}

.stat-info h3 { 
    font-size: 1.3rem; 
    font-weight: 800; 
    margin-top: 4px;
}

/* ===== 7. WALLETS ===== */
.wallets-section { padding: 0 20px 20px; }

.wallets-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); 
    gap: 15px; 
}

.wallet-card {
    background: white; 
    padding: 16px; 
    border-radius: 18px; 
    border: 2px solid #f1f5f9;
    display: flex; 
    flex-direction: column; 
    justify-content: space-between; 
    min-height: 110px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.wallet-card:hover {
    border-color: var(--primary);
    box-shadow: 0 8px 16px rgba(99, 102, 241, 0.15);
    transform: translateY(-5px);
}

.wallet-card.hidden-wallet {
    opacity: 0.6;
    background: #f8fafc;
}

.wallet-top { 
    display: flex; 
    justify-content: space-between; 
    align-items: flex-start; 
    gap: 8px;
}

.w-name { 
    font-size: 0.95rem; 
    font-weight: 700; 
    color: var(--text-main); 
}

.wallet-status {
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 4px;
    background: #e0e7ff;
    color: var(--primary);
    font-weight: 600;
}

.w-actions {
    opacity: 0;
    transition: opacity 0.3s;
}

.wallet-card:hover .w-actions {
    opacity: 1;
}

.wallet-action-btn {
    background: none;
    border: none;
    color: var(--primary);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 2px;
}

.w-bal { 
    font-size: 1.3rem; 
    font-weight: 800; 
    color: var(--text-main); 
    margin-top: 8px;
}

.w-reserved {
    font-size: 0.75rem;
    color: var(--warning);
    font-weight: 600;
    margin-top: 4px;
}

.w-reserved.alert {
    color: var(--danger);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* ===== 8. TRANSACTIONS ===== */
.transactions-section { padding: 0 20px 20px; }

.section-header { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    margin-bottom: 16px; 
}

.section-header h3 { 
    font-size: 1.15rem; 
    font-weight: 800; 
}

.icon-btn { 
    background: none; 
    border: none; 
    color: var(--primary); 
    padding: 5px; 
    cursor: pointer;
    transition: all 0.3s ease;
}

.icon-btn:hover {
    transform: scale(1.2);
}

.tx-item {
    background: white; 
    padding: 16px; 
    border-radius: 18px; 
    margin-bottom: 12px;
    display: flex; 
    justify-content: space-between; 
    align-items: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.02); 
    border: 1px solid #f1f5f9;
    transition: all 0.3s ease;
}

.tx-item:hover {
    box-shadow: 0 8px 16px rgba(0,0,0,0.08);
}

.tx-left { 
    display: flex; 
    flex-direction: column; 
    gap: 6px;
    flex: 1;
}

.tx-desc { 
    font-size: 1rem; 
    font-weight: 700; 
    color: var(--text-main); 
}

.tx-meta { 
    font-size: 0.75rem; 
    color: var(--text-muted); 
    display: flex; 
    align-items: center; 
    gap: 8px;
    flex-wrap: wrap;
}

.cat-badge { 
    background: #f1f5f9; 
    padding: 3px 8px; 
    border-radius: 6px; 
    text-transform: uppercase; 
    font-size: 0.65rem; 
    font-weight: 800; 
    letter-spacing: 0.5px; 
}

.tx-right { 
    text-align: right; 
}

.tx-amt { 
    font-size: 1.1rem; 
    font-weight: 800; 
}

.tx-amt.in { color: var(--success); }
.tx-amt.out { color: var(--danger); }

.tx-del { 
    font-size: 0.75rem; 
    color: #cbd5e1; 
    margin-top: 6px; 
    cursor: pointer; 
    text-decoration: underline;
    transition: all 0.3s ease;
}

.tx-del:hover {
    color: var(--danger);
}

/* ===== 9. BUTTONS ===== */
.fab {
    position: fixed; 
    bottom: 30px; 
    right: 30px; 
    width: 60px; 
    height: 60px;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%); 
    color: white; 
    border-radius: 50%; 
    border: none;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4); 
    display: flex; 
    align-items: center; 
    justify-content: center;
    cursor: pointer; 
    z-index: 100;
    transition: all 0.3s ease;
    font-size: 28px;
}

.fab:hover {
    transform: scale(1.15);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.5);
}

.primary-btn {
    width: 100%; 
    padding: 15px; 
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%); 
    color: white; 
    border: none;
    border-radius: 14px; 
    font-weight: 700; 
    cursor: pointer; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    gap: 8px;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

.secondary-btn {
    width: 100%; 
    padding: 15px; 
    background: #e0e7ff; 
    color: var(--primary); 
    border: none;
    border-radius: 14px; 
    font-weight: 700; 
    cursor: pointer;
    transition: all 0.3s ease;
}

.secondary-btn:hover {
    background: #c7d2fe;
}

.danger-btn {
    width: 100%;
    padding: 15px;
    background: #fee2e2;
    color: var(--danger);
    border: none;
    border-radius: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
}

.danger-btn:hover {
    background: #fca5a5;
}

/* ===== 10. MODALS & FORMS ===== */
.modal { 
    position: fixed; 
    inset: 0; 
    background: rgba(0,0,0,0.6); 
    z-index: 1000; 
    display: flex; 
    align-items: flex-end; 
    justify-content: center; 
}

@media (min-width: 600px) { 
    .modal { align-items: center; } 
}

.modal-content { 
    background: white; 
    width: 100%; 
    max-width: 500px; 
    border-radius: 28px 28px 0 0; 
    padding: 28px; 
    max-height: 90vh; 
    overflow-y: auto; 
    animation: slideUp 0.3s ease;
}

@media (min-width: 600px) { 
    .modal-content { border-radius: 28px; } 
}

@keyframes slideUp { 
    from { transform: translateY(100%); opacity: 0; } 
    to { transform: translateY(0); opacity: 1; } 
}

.modal-header { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    margin-bottom: 24px; 
}

.modal-header h3 {
    font-size: 1.2rem;
    font-weight: 800;
}

.close-btn { 
    background: none; 
    border: none; 
    padding: 5px; 
    cursor: pointer; 
    color: var(--text-muted);
    transition: all 0.3s ease;
}

.close-btn:hover {
    color: var(--text-main);
    transform: rotate(90deg);
}

.form-group { margin-bottom: 18px; }

.form-group label { 
    display: block; 
    font-size: 0.9rem; 
    font-weight: 700; 
    margin-bottom: 8px; 
    color: var(--text-main);
}

.input-field { 
    width: 100%; 
    padding: 14px; 
    background: #f8fafc; 
    border: 2px solid #e2e8f0; 
    border-radius: 12px; 
    font-size: 1rem; 
    outline: none;
    transition: all 0.3s ease;
}

.input-field:focus { 
    border-color: var(--primary); 
    background: white;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Toggle Buttons */
.toggle-group { 
    display: flex; 
    background: #f1f5f9; 
    padding: 6px; 
    border-radius: 12px; 
    margin-bottom: 20px; 
    gap: 6px;
}

.toggle-btn { 
    flex: 1; 
    padding: 12px; 
    border: none; 
    background: none; 
    border-radius: 10px; 
    font-weight: 700; 
    color: var(--text-muted); 
    cursor: pointer;
    transition: all 0.3s ease;
}

.toggle-btn.active { 
    background: white; 
    color: var(--primary); 
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.15); 
}

/* Checkbox */
.checkbox-container { 
    display: flex; 
    align-items: center; 
    gap: 10px; 
    margin: 18px 0; 
    font-size: 0.95rem;
    font-weight: 600;
}

.checkbox-container input { 
    width: 20px; 
    height: 20px; 
    accent-color: var(--primary); 
    cursor: pointer;
}

.hint-text {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
    font-weight: 400;
}

.warning-text {
    color: var(--warning);
    font-weight: 700;
    font-size: 0.8rem;
}

.reserved-warning {
    padding: 12px;
    margin-top: 8px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
}

.reserved-warning.alert {
    background: #fee2e2;
    color: var(--danger);
}

.reserved-warning.safe {
    background: #d1fae5;
    color: var(--success);
}

.available-display {
    background: #e0e7ff;
    padding: 12px;
    border-radius: 8px;
    text-align: center;
    margin: 15px 0;
    color: var(--primary);
    font-weight: 700;
}

.profile-avatar-section {
    text-align: center;
    margin-bottom: 20px;
}

.large-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 3px solid var(--primary);
    object-fit: cover;
}

/* Side Menu */
.side-menu { 
    position: fixed; 
    inset: 0; 
    z-index: 200; 
}

.menu-overlay { 
    position: absolute; 
    inset: 0; 
    background: rgba(0,0,0,0.5); 
}

.menu-content { 
    position: absolute; 
    top: 0; 
    bottom: 0; 
    right: 0; 
    width: 280px; 
    background: white; 
    padding: 20px; 
    animation: slideIn 0.3s ease;
    overflow-y: auto;
}

@keyframes slideIn { 
    from { transform: translateX(100%); } 
    to { transform: translateX(0); } 
}

.menu-header h3 {
    font-size: 1.2rem;
    font-weight: 800;
}

.close-menu {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
}

.menu-nav a { 
    display: flex; 
    align-items: center; 
    gap: 12px; 
    padding: 14px; 
    color: var(--text-main); 
    text-decoration: none; 
    font-weight: 600; 
    border-radius: 12px; 
    margin-bottom: 6px;
    transition: all 0.3s ease;
}

.menu-nav a:hover {
    background: #f1f5f9;
}

.menu-nav a.active { 
    background: #eff6ff; 
    color: var(--primary); 
}

.menu-nav a.logout { 
    color: var(--danger); 
    margin-top: 30px; 
}

/* Loading & Toast */
#loading-overlay { 
    position: fixed; 
    inset: 0; 
    background: white; 
    z-index: 9999; 
    display: flex; 
    justify-content: center; 
    align-items: center; 
}

.spinner { 
    width: 50px; 
    height: 50px; 
    border: 4px solid #f3f3f3; 
    border-top: 4px solid var(--primary); 
    border-radius: 50%; 
    animation: spin 1s linear infinite; 
}

@keyframes spin { 
    100% { transform: rotate(360deg); } 
}

.toast { 
    position: fixed; 
    bottom: 30px; 
    left: 50%; 
    transform: translateX(-50%) translateY(120px); 
    background: #333; 
    color: white; 
    padding: 14px 28px; 
    border-radius: 50px; 
    opacity: 0; 
    transition: all 0.3s ease;
    z-index: 9999; 
    font-weight: 600;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.toast.show { 
    transform: translateX(-50%) translateY(0); 
    opacity: 1; 
}

.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }
.toast.warning { background: var(--warning); color: white; }

/* Analytics Page */
.analytics-banner {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: white;
    padding: 25px 20px;
    text-align: center;
}

.analytics-banner h2 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.analytics-banner p {
    font-size: 0.95rem;
    opacity: 0.9;
}

.budget-section { padding: 20px; }
.analytics-section { padding: 0 20px 20px; }
.comparison-section { padding: 0 20px 20px; }

.chart-container {
    background: white;
    padding: 20px;
    border-radius: 18px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

canvas {
    max-height: 300px;
}

/* Responsive */
@media (max-width: 600px) {
    .worth-value {
        font-size: 2.5rem;
    }

    .wallets-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }

    .stat-card {
        padding: 14px;
    }

    .stat-icon {
        width: 42px;
        height: 42px;
    }
  }