/* ============================================
   Apartman Yönetim Sistemi - Ana Stil Dosyası
   Açık Tema, Glassmorphism, Responsive
   ============================================ */

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

/* ===== CSS Variables ===== */
:root {
    /* Primary Colors */
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --primary-300: #93c5fd;
    --primary-400: #60a5fa;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-800: #1e40af;
    --primary-900: #1e3a8a;

    /* Accent Colors */
    --accent-emerald: #10b981;
    --accent-emerald-light: #d1fae5;
    --accent-amber: #f59e0b;
    --accent-amber-light: #fef3c7;
    --accent-rose: #f43f5e;
    --accent-rose-light: #ffe4e6;
    --accent-violet: #8b5cf6;
    --accent-violet-light: #ede9fe;

    /* Neutral Colors */
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;

    /* Background */
    --bg-body: #f0f4f8;
    --bg-sidebar: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f8fafc;
    --bg-input: #ffffff;
    --bg-modal-overlay: rgba(15, 23, 42, 0.4);

    /* Text */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --text-inverse: #ffffff;

    /* Borders */
    --border-color: #e2e8f0;
    --border-color-light: #f1f5f9;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
    --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.06);

    /* Spacing */
    --sidebar-width: 270px;
    --navbar-height: 64px;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    text-decoration: none;
    color: var(--primary-600);
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-700);
}

img {
    max-width: 100%;
    height: auto;
}

/* ===== Layout ===== */
.app-wrapper {
    display: flex;
    min-height: 100vh;
}

/* ===== Sidebar ===== */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 1000;
    transition: transform var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.sidebar-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-logo {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.sidebar-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
}

.sidebar-subtitle {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: 0.02em;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    overflow-y: auto;
}

.nav-section {
    margin-bottom: 24px;
}

.nav-section-title {
    font-size: 0.68rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0 12px;
    margin-bottom: 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    margin-bottom: 2px;
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

.nav-item:hover {
    background: var(--primary-50);
    color: var(--primary-700);
}

.nav-item.active {
    background: var(--primary-50);
    color: var(--primary-700);
    font-weight: 600;
    box-shadow: inset 3px 0 0 var(--primary-500);
}

.nav-item .nav-icon {
    font-size: 1.15rem;
    width: 24px;
    text-align: center;
    flex-shrink: 0;
}

.sidebar-footer {
    padding: 16px 16px 20px;
    border-top: 1px solid var(--border-color);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    background: var(--gray-50);
}

.sidebar-user-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary-400), var(--accent-violet));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.sidebar-user-info {
    flex: 1;
    min-width: 0;
}

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

.sidebar-user-role {
    font-size: 0.68rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ===== Main Content ===== */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ===== Navbar ===== */
.navbar {
    height: var(--navbar-height);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.navbar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.4rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 6px;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.navbar-toggle:hover {
    background: var(--gray-100);
}

.page-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.navbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* ===== Page Content ===== */
.page-content {
    flex: 1;
    padding: 28px;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
    flex-wrap: wrap;
    gap: 16px;
}

.page-header-info h1 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.page-header-info p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ===== Breadcrumb ===== */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.breadcrumb a {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.breadcrumb a:hover {
    color: var(--primary-600);
}

.breadcrumb .separator {
    color: var(--gray-300);
}

.breadcrumb .current {
    color: var(--text-primary);
    font-weight: 600;
}

/* ===== Cards ===== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.card-header h2 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.card-body {
    padding: 24px;
}

.card-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color-light);
    background: var(--gray-50);
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

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

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.stat-icon.blue {
    background: var(--primary-100);
    color: var(--primary-600);
}

.stat-icon.green {
    background: var(--accent-emerald-light);
    color: var(--accent-emerald);
}

.stat-icon.amber {
    background: var(--accent-amber-light);
    color: var(--accent-amber);
}

.stat-icon.rose {
    background: var(--accent-rose-light);
    color: var(--accent-rose);
}

.stat-icon.violet {
    background: var(--accent-violet-light);
    color: var(--accent-violet);
}

.stat-info {
    flex: 1;
}

.stat-value {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-top: 2px;
}

/* Project Cards */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-500), var(--accent-violet));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.project-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-200);
}

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

.project-card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.project-card-desc {
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.5;
}

.project-card-stats {
    display: flex;
    gap: 16px;
    font-size: 0.78rem;
    color: var(--text-muted);
}

.project-card-stat {
    display: flex;
    align-items: center;
    gap: 4px;
}

.project-card-actions {
    position: absolute;
    top: 16px;
    right: 16px;
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.project-card:hover .project-card-actions {
    opacity: 1;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    text-decoration: none;
    line-height: 1.4;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: white;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
    color: white;
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--gray-200);
    color: var(--text-primary);
}

.btn-success {
    background: linear-gradient(135deg, var(--accent-emerald), #059669);
    color: white;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
    color: white;
}

.btn-danger {
    background: linear-gradient(135deg, var(--accent-rose), #e11d48);
    color: white;
    box-shadow: 0 2px 8px rgba(244, 63, 94, 0.3);
}

.btn-danger:hover {
    box-shadow: 0 4px 14px rgba(244, 63, 94, 0.35);
    color: white;
}

.btn-warning {
    background: linear-gradient(135deg, var(--accent-amber), #d97706);
    color: white;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
}

.btn-warning:hover {
    box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
    color: white;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.78rem;
    border-radius: var(--radius-sm);
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1rem;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: var(--radius-md);
}

.btn-icon.btn-sm {
    width: 30px;
    height: 30px;
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: none;
}

.btn-ghost:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

/* ===== Tables ===== */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    box-shadow: var(--shadow-sm);
}

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

thead {
    background: var(--gray-50);
}

thead th {
    padding: 12px 16px;
    text-align: left;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--border-color);
    white-space: nowrap;
}

tbody td {
    padding: 14px 16px;
    font-size: 0.875rem;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color-light);
    vertical-align: middle;
}

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

tbody tr:hover {
    background: var(--bg-card-hover);
}

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

/* ===== Forms ===== */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.form-label .required {
    color: var(--accent-rose);
    margin-left: 2px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.875rem;
    color: var(--text-primary);
    background: var(--bg-input);
    transition: all var(--transition-fast);
    outline: none;
}

.form-control:focus {
    border-color: var(--primary-400);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}

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

select.form-control {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
    cursor: pointer;
}

textarea.form-control {
    resize: vertical;
    min-height: 80px;
}

.form-text {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.form-inline {
    display: flex;
    gap: 12px;
    align-items: flex-end;
    flex-wrap: wrap;
}

/* ===== Modal ===== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-modal-overlay);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    padding: 20px;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.95) translateY(10px);
    transition: transform var(--transition-base);
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: var(--gray-100);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.1rem;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--gray-200);
    color: var(--text-primary);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color-light);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* ===== Alerts / Flash Messages ===== */
.alert {
    padding: 14px 18px;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideDown 0.3s ease-out;
    border: 1px solid transparent;
}

.alert-success {
    background: var(--accent-emerald-light);
    color: #065f46;
    border-color: #a7f3d0;
}

.alert-danger {
    background: var(--accent-rose-light);
    color: #9f1239;
    border-color: #fecdd3;
}

.alert-warning {
    background: var(--accent-amber-light);
    color: #92400e;
    border-color: #fde68a;
}

.alert-info {
    background: var(--primary-50);
    color: var(--primary-800);
    border-color: var(--primary-200);
}

/* ===== Badge ===== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.badge-success {
    background: var(--accent-emerald-light);
    color: #065f46;
}

.badge-danger {
    background: var(--accent-rose-light);
    color: #9f1239;
}

.badge-warning {
    background: var(--accent-amber-light);
    color: #92400e;
}

.badge-info {
    background: var(--primary-100);
    color: var(--primary-800);
}

.badge-neutral {
    background: var(--gray-100);
    color: var(--gray-600);
}

/* ===== Empty State ===== */
.empty-state {
    text-align: center;
    padding: 60px 24px;
    color: var(--text-muted);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.empty-state p {
    font-size: 0.875rem;
    margin-bottom: 20px;
}

/* ===== Filter Bar ===== */
.filter-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
    align-items: center;
}

.filter-bar .form-control {
    max-width: 250px;
}

/* ===== Login Page ===== */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f0f4f8 0%, #e2e8f0 50%, #dbeafe 100%);
    padding: 20px;
}

.login-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-glass);
    padding: 48px 40px;
    width: 100%;
    max-width: 420px;
    text-align: center;
}

.login-logo {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 1.8rem;
    font-weight: 800;
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.3);
}

.login-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.login-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.login-card .form-group {
    text-align: left;
}

.login-card .btn-primary {
    width: 100%;
    padding: 12px;
    font-size: 0.95rem;
}

/* ===== Pagination ===== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 4px;
    margin-top: 20px;
}

.pagination a,
.pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    font-size: 0.82rem;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.pagination a {
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    background: var(--bg-card);
}

.pagination a:hover {
    background: var(--primary-50);
    color: var(--primary-600);
    border-color: var(--primary-200);
}

.pagination span.active {
    background: var(--primary-600);
    color: white;
    border: 1px solid var(--primary-600);
}

/* ===== Tooltip ===== */
.tooltip-container {
    position: relative;
}

.tooltip-container .tooltip-text {
    visibility: hidden;
    position: absolute;
    bottom: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--gray-800);
    color: white;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.72rem;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    transition: all var(--transition-fast);
    z-index: 100;
}

.tooltip-container:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
}

/* ===== Animations ===== */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.fade-in {
    animation: fadeIn 0.4s ease-out;
}

.scale-in {
    animation: scaleIn 0.3s ease-out;
}

/* ===== Sidebar Overlay (Mobile) ===== */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 999;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .sidebar-overlay.active {
        display: block;
    }

    .main-content {
        margin-left: 0;
    }

    .navbar-toggle {
        display: flex;
    }

    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

@media (max-width: 768px) {
    .page-content {
        padding: 16px;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .filter-bar {
        flex-direction: column;
    }

    .filter-bar .form-control {
        max-width: 100%;
    }

    .modal {
        max-width: 100%;
        margin: 10px;
    }

    .login-card {
        padding: 32px 24px;
    }

    .card-header {
        flex-direction: column;
        align-items: flex-start;
    }

    table {
        font-size: 0.8rem;
    }

    thead th, tbody td {
        padding: 10px 12px;
    }

    .navbar {
        padding: 0 16px;
    }
}

@media (max-width: 480px) {
    .stat-card {
        padding: 16px;
    }

    .stat-value {
        font-size: 1.3rem;
    }

    .btn {
        padding: 8px 16px;
        font-size: 0.8rem;
    }

    .page-header-info h1 {
        font-size: 1.2rem;
    }
}

/* ===== Utility Classes ===== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-success { color: var(--accent-emerald); }
.text-danger { color: var(--accent-rose); }
.text-warning { color: var(--accent-amber); }
.text-muted { color: var(--text-muted); }
.text-primary { color: var(--primary-600); }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.flex-1 { flex: 1; }
.w-100 { width: 100%; }

/* ===== Summary Row ===== */
.summary-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color-light);
    font-size: 0.875rem;
}

.summary-row:last-child {
    border-bottom: none;
    font-weight: 700;
    font-size: 1rem;
    color: var(--primary-700);
}

.summary-row .label {
    color: var(--text-secondary);
}

.summary-row .value {
    font-weight: 600;
    color: var(--text-primary);
}

/* ===== Tab Navigation ===== */
.tabs {
    display: flex;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 24px;
    overflow-x: auto;
    gap: 4px;
}

.tab {
    padding: 10px 20px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    border: none;
    background: none;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.tab:hover {
    color: var(--primary-600);
}

.tab.active {
    color: var(--primary-600);
    border-bottom-color: var(--primary-600);
}

/* ===== Action Buttons in Tables ===== */
.action-btns {
    display: flex;
    gap: 4px;
}

/* ===== Scroll Styling ===== */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}