/* =========================================================
   Central Zakat Management Platform — Core Stylesheet
   Premium Dark Theme with Glassmorphism
   ========================================================= */

:root {
    /* Brand Colors */
    --czm-primary: #10b981;
    --czm-primary-rgb: 16, 185, 129;
    --czm-primary-dark: #059669;
    --czm-primary-light: #34d399;
    --czm-accent: #8b5cf6;
    --czm-accent-rgb: 139, 92, 246;
    --czm-gold: #f59e0b;
    --czm-gold-rgb: 245, 158, 11;

    /* Semantic Colors */
    --czm-success: #10b981;
    --czm-danger: #ef4444;
    --czm-warning: #f59e0b;
    --czm-info: #3b82f6;

    /* Dark Theme */
    --czm-bg-primary: #0a0e17;
    --czm-bg-secondary: #111827;
    --czm-bg-tertiary: #1e293b;
    --czm-bg-card: rgba(30, 41, 59, 0.7);
    --czm-bg-glass: rgba(30, 41, 59, 0.5);
    --czm-border: rgba(255, 255, 255, 0.08);
    --czm-border-light: rgba(255, 255, 255, 0.12);
    --czm-text-primary: #f1f5f9;
    --czm-text-secondary: #94a3b8;
    --czm-text-muted: #64748b;
    --czm-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --czm-shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.4);

    /* Sidebar */
    --sidebar-width: 270px;
    --sidebar-collapsed: 72px;
    --topbar-height: 64px;

    /* Typography */
    --font-primary: 'Inter', 'Noto Sans Bengali', system-ui, sans-serif;
    --font-bengali: 'Noto Sans Bengali', sans-serif;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

[data-bs-theme="light"] {
    --czm-bg-primary: #f8fafc;
    --czm-bg-secondary: #ffffff;
    --czm-bg-tertiary: #f1f5f9;
    --czm-bg-card: rgba(255, 255, 255, 0.9);
    --czm-bg-glass: rgba(255, 255, 255, 0.7);
    --czm-border: rgba(0, 0, 0, 0.08);
    --czm-border-light: rgba(0, 0, 0, 0.12);
    --czm-text-primary: #1e293b;
    --czm-text-secondary: #475569;
    --czm-text-muted: #94a3b8;
    --czm-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    --czm-shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
}

/* ========== RESET & BASE ========== */
*, *::before, *::after { box-sizing: border-box; }

body {
    font-family: var(--font-primary);
    background: var(--czm-bg-primary);
    color: var(--czm-text-primary);
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--czm-primary); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--czm-primary-light); }

/* ========== SIDEBAR ========== */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--czm-bg-secondary);
    border-right: 1px solid var(--czm-border);
    display: flex;
    flex-direction: column;
    z-index: 1050;
    transition: transform var(--transition-base);
    overflow: hidden;
}

.sidebar-header {
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--czm-border);
    min-height: var(--topbar-height);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--czm-primary), var(--czm-accent));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: white;
    box-shadow: 0 4px 12px rgba(var(--czm-primary-rgb), 0.3);
}

.brand-name {
    font-size: 1.25rem;
    font-weight: 800;
    margin: 0;
    background: linear-gradient(135deg, var(--czm-primary), var(--czm-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 1px;
}

.brand-tagline {
    font-family: var(--font-bengali);
    font-size: 0.7rem;
    color: var(--czm-text-muted);
    display: block;
    margin-top: -2px;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 0.75rem 0;
    scrollbar-width: thin;
    scrollbar-color: var(--czm-border) transparent;
}

.nav-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-section {
    padding: 1rem 1.5rem 0.4rem;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--czm-text-muted);
    font-family: var(--font-primary);
}

.nav-item .nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 1.5rem;
    color: var(--czm-text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 0;
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
}

.nav-item .nav-link:hover {
    color: var(--czm-text-primary);
    background: var(--czm-bg-glass);
    border-left-color: rgba(var(--czm-primary-rgb), 0.3);
}

.nav-item .nav-link.active {
    color: var(--czm-primary);
    background: rgba(var(--czm-primary-rgb), 0.1);
    border-left-color: var(--czm-primary);
    font-weight: 600;
}

.nav-item .nav-link i {
    font-size: 1.1rem;
    width: 22px;
    text-align: center;
}

.sidebar-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--czm-border);
}

.user-mini {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-avatar {
    font-size: 1.75rem;
    color: var(--czm-primary);
}

.user-info {
    overflow: hidden;
}

.user-name {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--czm-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    display: block;
    font-size: 0.7rem;
    color: var(--czm-text-muted);
    text-transform: capitalize;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1040;
    backdrop-filter: blur(4px);
}

/* ========== MAIN CONTENT ========== */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    transition: margin var(--transition-base);
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 1020;
    height: var(--topbar-height);
    background: var(--czm-bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--czm-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
}

.topbar-left { display: flex; align-items: center; gap: 1rem; }
.topbar-right { display: flex; align-items: center; gap: 0.5rem; }

.breadcrumb { font-size: 0.8rem; }
.breadcrumb-item a { color: var(--czm-text-muted); }
.breadcrumb-item.active { color: var(--czm-text-primary); }

.topbar-item button {
    background: none;
    border: 1px solid var(--czm-border);
    color: var(--czm-text-secondary);
    width: 38px;
    height: 38px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.topbar-item button:hover {
    background: var(--czm-bg-glass);
    color: var(--czm-text-primary);
    border-color: var(--czm-border-light);
}

.notification-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    width: 18px;
    height: 18px;
    background: var(--czm-danger);
    border-radius: 50%;
    font-size: 0.6rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.locale-badge {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.notification-dropdown { width: 320px; padding: 0; }
.notification-dropdown .dropdown-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    white-space: normal;
}

.user-avatar-sm { font-size: 1.5rem; color: var(--czm-primary); }
.user-dropdown-btn::after { display: none; }

.content-area {
    padding: 1.5rem;
    animation: fadeIn 0.3s ease;
}

/* ========== STAT CARDS ========== */
.stat-card {
    background: var(--czm-bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--czm-border);
    border-radius: 16px;
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-2px);
    border-color: var(--czm-border-light);
    box-shadow: var(--czm-shadow);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    opacity: 0.08;
    transform: translate(30%, -30%);
}

.stat-card.card-green::before { background: var(--czm-primary); }
.stat-card.card-purple::before { background: var(--czm-accent); }
.stat-card.card-gold::before { background: var(--czm-gold); }
.stat-card.card-blue::before { background: var(--czm-info); }
.stat-card.card-red::before { background: var(--czm-danger); }

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.stat-icon.green { background: rgba(var(--czm-primary-rgb), 0.15); color: var(--czm-primary); }
.stat-icon.purple { background: rgba(var(--czm-accent-rgb), 0.15); color: var(--czm-accent); }
.stat-icon.gold { background: rgba(var(--czm-gold-rgb), 0.15); color: var(--czm-gold); }
.stat-icon.blue { background: rgba(59, 130, 246, 0.15); color: var(--czm-info); }
.stat-icon.red { background: rgba(239, 68, 68, 0.15); color: var(--czm-danger); }

.stat-value {
    font-size: 1.75rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--czm-text-muted);
    font-weight: 500;
}

.stat-trend {
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: 0.5rem;
}
.stat-trend.up { color: var(--czm-success); }
.stat-trend.down { color: var(--czm-danger); }

/* ========== GLASS CARD ========== */
.glass-card {
    background: var(--czm-bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--czm-border);
    border-radius: 16px;
    overflow: hidden;
    transition: all var(--transition-base);
}

.glass-card:hover {
    border-color: var(--czm-border-light);
}

.glass-card .card-header {
    background: transparent;
    border-bottom: 1px solid var(--czm-border);
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.glass-card .card-header h5,
.glass-card .card-header h6 {
    margin: 0;
    font-weight: 700;
    font-size: 0.95rem;
}

.glass-card .card-body { padding: 1.5rem; }

/* ========== TABLES ========== */
.table-container {
    overflow-x: auto;
    border-radius: 12px;
}

.czm-table {
    width: 100%;
    border-collapse: collapse;
}

.czm-table thead th {
    background: var(--czm-bg-tertiary);
    color: var(--czm-text-secondary);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.875rem 1rem;
    border: none;
    white-space: nowrap;
}

.czm-table tbody td {
    padding: 0.875rem 1rem;
    border-bottom: 1px solid var(--czm-border);
    font-size: 0.875rem;
    vertical-align: middle;
}

.czm-table tbody tr {
    transition: background var(--transition-fast);
}

.czm-table tbody tr:hover {
    background: rgba(var(--czm-primary-rgb), 0.04);
}

/* ========== BADGES ========== */
.badge-status {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.7rem;
    border-radius: 8px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.badge-status.active, .badge-status.verified, .badge-status.approved, .badge-status.validated {
    background: rgba(var(--czm-primary-rgb), 0.15);
    color: var(--czm-primary);
}
.badge-status.pending, .badge-status.under_review {
    background: rgba(var(--czm-gold-rgb), 0.15);
    color: var(--czm-gold);
}
.badge-status.rejected, .badge-status.failed, .badge-status.blacklisted {
    background: rgba(239, 68, 68, 0.15);
    color: var(--czm-danger);
}
.badge-status.draft, .badge-status.inactive {
    background: rgba(100, 116, 139, 0.15);
    color: var(--czm-text-muted);
}

/* ========== FORMS ========== */
.form-control, .form-select {
    background: var(--czm-bg-tertiary);
    border: 1px solid var(--czm-border);
    color: var(--czm-text-primary);
    border-radius: 10px;
    padding: 0.6rem 1rem;
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.form-control:focus, .form-select:focus {
    background: var(--czm-bg-tertiary);
    border-color: var(--czm-primary);
    color: var(--czm-text-primary);
    box-shadow: 0 0 0 3px rgba(var(--czm-primary-rgb), 0.15);
}

.form-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--czm-text-secondary);
    margin-bottom: 0.4rem;
}

/* ========== BUTTONS ========== */
.btn-czm-primary {
    background: linear-gradient(135deg, var(--czm-primary), var(--czm-primary-dark));
    border: none;
    color: white;
    font-weight: 600;
    padding: 0.6rem 1.5rem;
    border-radius: 10px;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 12px rgba(var(--czm-primary-rgb), 0.3);
}

.btn-czm-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(var(--czm-primary-rgb), 0.4);
    color: white;
}

.btn-czm-outline {
    background: transparent;
    border: 1px solid var(--czm-border);
    color: var(--czm-text-secondary);
    font-weight: 500;
    padding: 0.6rem 1.25rem;
    border-radius: 10px;
    transition: all var(--transition-fast);
}

.btn-czm-outline:hover {
    background: var(--czm-bg-glass);
    border-color: var(--czm-border-light);
    color: var(--czm-text-primary);
}

/* ========== AUTH PAGES ========== */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--czm-bg-primary);
    position: relative;
    overflow: hidden;
}

.auth-wrapper::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -25%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(var(--czm-primary-rgb), 0.15), transparent 70%);
    border-radius: 50%;
    animation: pulse-glow 6s ease-in-out infinite;
}

.auth-wrapper::after {
    content: '';
    position: absolute;
    bottom: -30%;
    right: -15%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(var(--czm-accent-rgb), 0.1), transparent 70%);
    border-radius: 50%;
    animation: pulse-glow 8s ease-in-out infinite reverse;
}

.auth-card {
    width: 100%;
    max-width: 440px;
    background: var(--czm-bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--czm-border);
    border-radius: 24px;
    padding: 2.5rem;
    position: relative;
    z-index: 1;
    box-shadow: var(--czm-shadow-lg);
}

.auth-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-logo .brand-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
}

.auth-logo h2 {
    font-size: 1.5rem;
    font-weight: 800;
    margin: 0;
    background: linear-gradient(135deg, var(--czm-primary), var(--czm-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-logo p {
    color: var(--czm-text-muted);
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

/* ========== PAGE HEADER ========== */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-header h2 {
    font-size: 1.5rem;
    font-weight: 800;
    margin: 0;
}

.page-header .page-subtitle {
    color: var(--czm-text-muted);
    font-size: 0.85rem;
    margin-top: 0.15rem;
}

/* ========== ANIMATIONS ========== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse-glow {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

/* ========== RESPONSIVE ========== */
@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.show {
        transform: translateX(0);
    }
    .sidebar.show ~ .sidebar-overlay {
        display: block;
    }
    .main-content {
        margin-left: 0;
    }
}

@media (max-width: 575.98px) {
    .content-area { padding: 1rem; }
    .stat-value { font-size: 1.35rem; }
    .auth-card { padding: 1.5rem; margin: 1rem; }
}

/* ========== SCROLLBAR ========== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: var(--czm-border);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: var(--czm-text-muted); }

/* ========== ZAKAT CALCULATOR ========== */
.calculator-section {
    background: var(--czm-bg-card);
    border: 1px solid var(--czm-border);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 1rem;
}

.calculator-section h6 {
    font-weight: 700;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.calculator-result {
    background: linear-gradient(135deg, rgba(var(--czm-primary-rgb), 0.1), rgba(var(--czm-accent-rgb), 0.1));
    border: 1px solid rgba(var(--czm-primary-rgb), 0.2);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
}

.calculator-result .result-amount {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--czm-primary);
}

.calculator-result .result-label {
    color: var(--czm-text-muted);
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

/* ========== CHART CONTAINERS ========== */
.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
}

/* ========== EMPTY STATE ========== */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--czm-text-muted);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.3;
}

.empty-state h5 { color: var(--czm-text-secondary); }