@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;500;600;700;800;900&display=swap');

:root {
    --bg: #f8fafc;
    --bg-gradient: radial-gradient(circle at 10% 20%, rgba(37, 99, 235, 0.05) 0%, transparent 40%), radial-gradient(circle at 90% 80%, rgba(6, 182, 212, 0.05) 0%, transparent 40%);
    --surface: #ffffff;
    --surface-soft: #f1f5f9;
    --surface-glass: rgba(255, 255, 255, 0.75);
    --text: #0f172a;
    --muted: #64748b;
    --border: rgba(226, 232, 240, 0.8);
    --border-glow: rgba(37, 99, 235, 0.2);
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-soft: rgba(37, 99, 235, 0.08);
    --success: #10b981;
    --success-soft: rgba(16, 185, 129, 0.08);
    --warning: #f59e0b;
    --warning-soft: rgba(245, 158, 11, 0.08);
    --danger: #ef4444;
    --danger-soft: rgba(239, 68, 68, 0.08);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow-sm: 0 4px 12px rgba(15, 23, 42, 0.03);
    --shadow-md: 0 12px 32px rgba(15, 23, 42, 0.06);
    --shadow-lg: 0 20px 48px rgba(15, 23, 42, 0.09);
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    --bg: #090d16;
    --bg-gradient: radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.08) 0%, transparent 40%), radial-gradient(circle at 90% 80%, rgba(6, 182, 212, 0.06) 0%, transparent 40%);
    --surface: #111827;
    --surface-soft: #1f2937;
    --surface-glass: rgba(17, 24, 39, 0.75);
    --text: #f3f4f6;
    --muted: #9ca3af;
    --border: rgba(31, 41, 55, 0.8);
    --border-glow: rgba(96, 165, 250, 0.3);
    --primary: #3b82f6;
    --primary-hover: #60a5fa;
    --primary-soft: rgba(59, 130, 246, 0.12);
    --success: #34d399;
    --success-soft: rgba(52, 211, 153, 0.12);
    --warning: #fbbf24;
    --warning-soft: rgba(251, 191, 36, 0.12);
    --danger: #f87171;
    --danger-soft: rgba(248, 113, 113, 0.12);
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.35);
}

/* Dark Mode General Contrast Optimizations */
[data-theme="dark"] .text-dark:not(.btn-warning):not(.btn) {
    color: var(--text) !important;
}
[data-theme="dark"] .text-black:not(.btn-warning):not(.btn) {
    color: var(--text) !important;
}
[data-theme="dark"] .modal-content {
    background-color: var(--surface) !important;
    color: var(--text) !important;
    border: 1px solid var(--border) !important;
}
[data-theme="dark"] .modal-content .text-dark,
[data-theme="dark"] .modal-content strong,
[data-theme="dark"] .modal-content h1,
[data-theme="dark"] .modal-content h2,
[data-theme="dark"] .modal-content h3,
[data-theme="dark"] .modal-content h4,
[data-theme="dark"] .modal-content h5,
[data-theme="dark"] .modal-content h6,
[data-theme="dark"] .modal-content span {
    color: var(--text) !important;
}
[data-theme="dark"] .modal-content .text-primary {
    color: var(--primary) !important;
}

[data-theme="dark"] .client-card > span.text-muted,
[data-theme="dark"] .admin-card > span.text-muted,
[data-theme="dark"] .card-clean > span.text-muted {
    color: #ffffff !important;
    opacity: 0.95;
}

* {
    font-family: 'Cairo', sans-serif;
    box-sizing: border-box;
}

html, body {
    min-height: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg);
    background-image: var(--bg-gradient);
    color: var(--text);
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

/* App Layout Shell */
.app-shell {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.page-container {
    width: 100%;
    max-width: 1560px;
    margin: 0 auto;
    padding: 24px 12px 48px;
    flex-grow: 1;
}

/* Glassmorphism Navbar */
.app-navbar {
    background: var(--surface-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
    padding: 14px 0;
}

.brand-mark {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), #06b6d4);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
    transition: var(--transition);
}

.brand-mark:hover {
    transform: rotate(10deg) scale(1.05);
}

.nav-link {
    color: var(--muted) !important;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
    padding: 8px 16px !important;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary) !important;
    background: var(--primary-soft);
}

/* Buttons */
.btn {
    border-radius: var(--radius-md);
    font-weight: 700;
    padding: 10px 20px;
    font-size: 0.92rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff !important;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.2);
}

.btn-primary:hover,
.btn-primary:focus {
    background: var(--primary-hover) !important;
    border-color: var(--primary-hover) !important;
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.3) !important;
}

.btn-outline-soft,
.btn-secondary {
    background: var(--surface);
    color: var(--text) !important;
    border: 1px solid var(--border);
}

.btn-outline-soft:hover,
.btn-secondary:hover {
    background: var(--surface-soft);
    border-color: var(--muted);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.82rem;
    border-radius: var(--radius-sm);
}

/* Inputs & Form Elements */
.form-label {
    font-weight: 700;
    font-size: 0.88rem;
    color: var(--text);
    margin-bottom: 6px;
}

.form-control,
.form-select {
    background-color: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    font-size: 0.92rem;
    transition: var(--transition);
}

.form-control:focus,
.form-select:focus {
    background-color: var(--surface);
    color: var(--text);
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--border-glow);
}

.form-control::placeholder {
    color: var(--muted);
    opacity: 0.7;
}

.theme-toggle-btn {
    width: 38px;
    height: 38px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
    color: var(--text);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.theme-toggle-btn:hover {
    background: var(--surface-soft);
    transform: translateY(-2px);
}

/* Cards & Layout Items */
.card-clean,
.admin-card,
.client-card,
.auth-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 24px;
    transition: var(--transition);
}

.card-clean:hover,
.admin-card:hover,
.client-card:hover {
    box-shadow: var(--shadow-md);
}

.card-clean-header {
    padding-bottom: 16px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

/* Shell Layouts (Sidebar + Content) */
.client-shell,
.admin-shell {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 32px;
    align-items: start;
}

.client-content,
.admin-content {
    min-width: 0;
}

/* Premium Sidebar */
.client-sidebar,
.admin-sidebar {
    background: var(--surface-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 20px 16px;
    position: sticky;
    top: 100px;
}

.client-sidebar-brand,
.admin-sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-bottom: 18px;
    margin-bottom: 18px;
    border-bottom: 1px solid var(--border);
}

.client-sidebar-logo,
.admin-sidebar-logo {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--primary-soft);
    color: var(--primary);
    display: grid;
    place-items: center;
    font-size: 1.1rem;
}

.client-nav,
.admin-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.client-nav a,
.admin-nav a {
    color: var(--muted);
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 0.9rem;
    transition: var(--transition);
}

.client-nav a:hover,
.admin-nav a:hover {
    color: var(--text);
    background: var(--surface-soft);
}

.client-nav a.active,
.admin-nav a.active {
    color: #fff !important;
    background: var(--primary);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

/* Page Headers (Decluttered & Clean) */
.client-page-head,
.admin-page-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}

.client-page-title,
.admin-page-title {
    display: flex;
    align-items: center;
    gap: 14px;
}

.client-page-icon,
.admin-page-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--primary-soft);
    color: var(--primary);
    display: grid;
    place-items: center;
    font-size: 1.15rem;
}

.client-page-title h1,
.admin-page-title h1,
.client-page-title h2,
.admin-page-title h2 {
    margin: 0;
    font-size: 1.45rem;
    font-weight: 800;
    letter-spacing: -0.01em;
}

.client-page-title p,
.admin-page-title p {
    margin: 4px 0 0;
    color: var(--muted);
    font-size: 0.85rem;
    font-weight: 600;
}

/* Modern Tables */
.table-responsive {
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: var(--surface);
    overflow: hidden;
}

.table {
    margin-bottom: 0;
    border-collapse: separate;
    border-spacing: 0;
    width: 100%;
}

.table th {
    background: var(--surface-soft);
    color: var(--muted);
    font-size: 0.8rem;
    font-weight: 800;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    text-transform: uppercase;
}

.table td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    color: var(--text);
    font-size: 0.88rem;
    font-weight: 600;
}

.table tr:last-child td {
    border-bottom: none;
}

.table tr:hover td {
    background: var(--primary-soft);
}

[data-theme="dark"] .table tr:hover td {
    background-color: var(--surface-soft) !important;
}

[data-theme="dark"] .table tr:hover td,
[data-theme="dark"] .table tr:hover td * {
    color: var(--text) !important;
}

[data-theme="dark"] .table tr:hover td .text-primary,
[data-theme="dark"] .table tr:hover td a {
    color: var(--primary) !important;
}

[data-theme="dark"] .table tr:hover td .badge-success {
    color: var(--success) !important;
    background-color: var(--success-soft) !important;
}

[data-theme="dark"] .table tr:hover td .badge-danger {
    color: var(--danger) !important;
    background-color: var(--danger-soft) !important;
}

[data-theme="dark"] .table tr:hover td .badge-pending {
    color: var(--warning) !important;
    background-color: var(--warning-soft) !important;
}

/* Beautiful Elegant Badges */
.badge-success, .badge-pending, .badge-danger {
    font-size: 0.78rem;
    font-weight: 700;
    padding: 6px 12px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

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

.badge-pending {
    background: var(--warning-soft);
    color: var(--warning);
}

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

/* Statistics row */
.client-stat, .stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
    height: 100%;
}

.client-stat:hover, .stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.client-stat-label, .stat-label {
    color: var(--muted);
    font-size: 0.82rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.client-stat-value, .stat-value {
    font-size: 1.6rem;
    font-weight: 800;
    margin: 0;
    letter-spacing: -0.02em;
}

.client-stat-icon, .stat-icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: var(--primary-soft);
    color: var(--primary);
    display: grid;
    place-items: center;
    font-size: 1.15rem;
}

/* Authentic Centered Layout (Login / Register / Errors) */
.auth-shell {
    min-height: calc(100vh - 160px);
    display: grid;
    place-items: center;
    padding: 48px 16px;
}

.auth-card {
    width: 100%;
    max-width: 440px;
    padding: 36px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.auth-header {
    text-align: center;
    margin-bottom: 28px;
}

.auth-icon {
    width: 58px;
    height: 58px;
    margin: 0 auto 16px;
    border-radius: 18px;
    background: var(--primary-soft);
    color: var(--primary);
    display: grid;
    place-items: center;
    font-size: 1.4rem;
}

.auth-header h1 {
    font-size: 1.35rem;
    font-weight: 800;
    margin: 0;
}

.auth-header p {
    color: var(--muted);
    font-size: 0.85rem;
    margin: 6px 0 0;
    font-weight: 600;
}

.auth-links {
    text-align: center;
    margin-top: 20px;
    font-size: 0.85rem;
    color: var(--muted);
    font-weight: 600;
}

.auth-links a {
    font-weight: 700;
    margin-inline-start: 4px;
}

/* Home Section Styles (Minimal & Punchy) */
.home-hero {
    text-align: center;
    padding: 80px 20px;
    max-width: 840px;
    margin: 0 auto 48px;
}

.home-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary-soft);
    color: var(--primary);
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 800;
    margin-bottom: 24px;
}

.home-hero h1 {
    font-size: clamp(1.8rem, 4.5vw, 3rem);
    font-weight: 900;
    line-height: 1.25;
    letter-spacing: -0.03em;
    margin-bottom: 18px;
}

.home-hero p {
    font-size: 1.05rem;
    color: var(--muted);
    line-height: 1.8;
    margin-bottom: 32px;
    font-weight: 500;
}

.home-actions {
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
}

.home-features {
    margin-bottom: 64px;
}

.home-section-title {
    text-align: center;
    margin-bottom: 40px;
}

.home-section-title h2 {
    font-size: 1.55rem;
    font-weight: 800;
}

.home-section-title p {
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 500;
}

.home-feature-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: var(--transition);
    height: 100%;
}

.home-feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.home-feature-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--primary-soft);
    color: var(--primary);
    display: grid;
    place-items: center;
    font-size: 1.2rem;
    margin-bottom: 18px;
}

.home-feature-card h3 {
    font-size: 1.05rem;
    font-weight: 800;
    margin-bottom: 10px;
}

.home-feature-card p {
    color: var(--muted);
    font-size: 0.85rem;
    margin: 0;
    line-height: 1.7;
}

.home-cta {
    background: linear-gradient(135deg, var(--primary), #06b6d4);
    color: #fff;
    border-radius: var(--radius-xl);
    padding: 48px;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.home-cta h2 {
    font-size: 1.6rem;
    font-weight: 900;
    margin-bottom: 12px;
}

.home-cta p {
    opacity: 0.9;
    max-width: 580px;
    margin: 0 auto 24px;
    font-size: 0.92rem;
}

.home-cta .btn {
    background: #fff !important;
    color: var(--primary) !important;
}

.home-cta .btn:hover {
    background: #f8fafc !important;
}

/* Micro-elements */
.client-card-muted {
    background: var(--surface-soft);
    border-radius: var(--radius-md);
    padding: 12px 18px;
    border: 1px solid var(--border);
}

.client-empty {
    text-align: center;
    padding: 48px 24px;
}

.client-empty i {
    font-size: 2.5rem;
    color: var(--muted);
    display: block;
    margin-bottom: 14px;
}

.client-empty h5 {
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
}

.client-empty p {
    font-size: 0.85rem;
    color: var(--muted);
}

.dropdown-menu {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    padding: 6px;
    animation: fadeIn 0.2s ease;
}

.dropdown-item {
    color: var(--text);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    font-weight: 600;
    font-size: 0.88rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.dropdown-item:hover {
    background: var(--primary-soft);
    color: var(--primary);
}

/* Custom Floating Micro Alerts */
.alert {
    border-radius: var(--radius-md);
    padding: 14px 18px;
    font-size: 0.88rem;
    font-weight: 700;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
}

.alert-success {
    background-color: var(--success-soft);
    border-color: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.alert-warning {
    background-color: var(--warning-soft);
    border-color: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

.alert-danger {
    background-color: var(--danger-soft);
    border-color: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

/* Animations */
.fade-in {
    animation: fadeIn 0.25s cubic-bezier(0.4, 0, 0.2, 1) both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.footer {
    padding: 24px 0;
    border-top: 1px solid var(--border);
    background: var(--surface-glass);
    color: var(--muted);
    font-size: 0.85rem;
    font-weight: 600;
    text-align: center;
}

/* Responsive Breakpoints */
@media (max-width: 992px) {
    .client-shell,
    .admin-shell {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .client-sidebar,
    .admin-sidebar {
        display: none !important;
    }
}

@media (max-width: 576px) {
    .client-page-head,
    .admin-page-head {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .client-page-head > .btn-group,
    .client-page-head > div {
        width: 100%;
    }

    .client-page-head .btn,
    .admin-page-head .btn {
        width: 100%;
        justify-content: center;
    }

    .auth-card {
        padding: 24px;
    }
}