/* ==========================================================================
   VIZRA BI — Premium Admin Theme
   Dark/Light mode, Modern glassmorphism, Responsive
   ========================================================================== */

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

:root {
    /* ── Light Theme ── */
    --bg-body: #f0f2f5;
    --bg-sidebar: #ffffff;
    --bg-card: #ffffff;
    --bg-input: #f8f9fa;
    --bg-hover: #f1f3f5;
    --text-primary: #1a1a2e;
    --text-secondary: #6c757d;
    --text-muted: #adb5bd;
    --border-color: #e9ecef;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 15px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.1);

    /* ── Accent Colors ── */
    --primary: #667eea;
    --primary-dark: #5a67d8;
    --primary-light: #a3b1ff;
    --accent: #e94560;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;

    /* ── Gradients ── */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-accent: linear-gradient(135deg, #e94560 0%, #f472b6 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    --gradient-warning: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
    --gradient-info: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%);

    /* ── Sidebar ── */
    --sidebar-width: 260px;
    --sidebar-collapsed: 70px;

    /* ── Animation ── */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Dark Theme ── */
[data-theme="dark"] {
    --bg-body: #0f0f1a;
    --bg-sidebar: #16162a;
    --bg-card: #1a1a2e;
    --bg-input: #16162a;
    --bg-hover: #252540;
    --text-primary: #e8e8f0;
    --text-secondary: #a0a0b8;
    --text-muted: #6a6a80;
    --border-color: #2a2a45;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 15px rgba(0,0,0,0.4);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.5);
}

/* ── Base ── */
*, *::before, *::after { box-sizing: border-box; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-body);
    color: var(--text-primary);
    margin: 0;
    padding: 0;
    font-size: 14px;
    line-height: 1.5;
    transition: var(--transition);
    overflow-x: hidden;
}

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

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

.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 1000;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-md);
}

.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    min-height: 100vh;
    min-width: 0; /* flexbox taşma önleme */
    max-width: calc(100vw - var(--sidebar-width));
    overflow-x: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

/* ── Sidebar Brand ── */
.sidebar-brand {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-brand-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: #fff;
    font-weight: 800;
    flex-shrink: 0;
}

.sidebar-brand-text h4 {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.sidebar-brand-text small {
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

/* ── Sidebar Nav ── */
.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 12px 0;
}

.sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar-nav::-webkit-scrollbar-track { background: transparent; }
.sidebar-nav::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 4px; }

.nav-section {
    padding: 8px 24px 4px;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
    font-weight: 600;
    margin-top: 8px;
}

.nav-item {
    padding: 0 12px;
    margin: 2px 0;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    border-radius: 10px;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 13.5px;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.nav-link.active {
    background: var(--primary);
    color: #fff !important;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.35);
}

.nav-link i {
    font-size: 18px;
    width: 24px;
    text-align: center;
    opacity: 0.8;
}

.nav-link.active i { opacity: 1; }

.nav-badge {
    margin-left: auto;
    background: var(--accent);
    color: #fff;
    font-size: 10px;
    padding: 2px 7px;
    border-radius: 50px;
    font-weight: 600;
}

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

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
}

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

.sidebar-user-info .name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-info .role {
    font-size: 11px;
    color: var(--text-muted);
}

/* ── Top Navbar ── */
.top-navbar {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 500;
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(12px);
}

.top-navbar .breadcrumb {
    margin: 0;
    padding: 0;
    background: transparent;
    font-size: 13px;
}

.top-navbar .breadcrumb-item a { color: var(--text-secondary); }
.top-navbar .breadcrumb-item.active { color: var(--text-primary); font-weight: 600; }

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-theme-toggle {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--bg-input);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    font-size: 16px;
}

.btn-theme-toggle:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* ── Page Content ── */
.page-content {
    padding: 24px 28px;
    flex: 1;
    min-width: 0;
    overflow-x: hidden;
}

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

.page-header h1 {
    font-size: 24px;
    font-weight: 700;
    margin: 0;
    letter-spacing: -0.5px;
}

/* ── Cards ── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h5, .card-header h6 {
    margin: 0;
    font-weight: 600;
    color: var(--text-primary);
}

.card-body {
    padding: 20px;
}

/* ── KPI Cards ── */
.kpi-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.kpi-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
}

.kpi-card.kpi-primary::before { background: var(--gradient-primary); }
.kpi-card.kpi-success::before { background: var(--gradient-success); }
.kpi-card.kpi-warning::before { background: var(--gradient-warning); }
.kpi-card.kpi-danger::before { background: var(--gradient-accent); }
.kpi-card.kpi-info::before { background: var(--gradient-info); }

.kpi-icon {
    width: 50px;
    height: 50px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: #fff;
    margin-bottom: 16px;
}

.kpi-icon.bg-primary { background: var(--gradient-primary); }
.kpi-icon.bg-success { background: var(--gradient-success); }
.kpi-icon.bg-warning { background: var(--gradient-warning); }
.kpi-icon.bg-danger { background: var(--gradient-accent); }
.kpi-icon.bg-info { background: var(--gradient-info); }

.kpi-value {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 4px;
}

.kpi-label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ── Table Responsive ── */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    max-width: 100%;
}

/* ── Tables ── */
.table {
    color: var(--text-primary);
    border-color: var(--border-color);
    margin: 0;
}

.table thead th {
    background: var(--bg-input);
    border-bottom: 2px solid var(--border-color);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    padding: 12px 16px;
    white-space: nowrap;
}

.table tbody td {
    padding: 12px 16px;
    border-color: var(--border-color);
    vertical-align: middle;
    font-size: 13.5px;
}

.table tbody tr { transition: var(--transition); }
.table tbody tr:hover { background: var(--bg-hover); }

/* ── Forms ── */
.form-control, .form-select {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 10px;
    padding: 10px 14px;
    font-size: 13.5px;
    transition: var(--transition);
}

.form-control:focus, .form-select:focus {
    background: var(--bg-card);
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.15);
    color: var(--text-primary);
}

.form-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

/* ── Buttons ── */
.btn {
    border-radius: 10px;
    font-weight: 600;
    font-size: 13px;
    padding: 9px 18px;
    transition: var(--transition);
    letter-spacing: 0.2px;
}

.btn-primary {
    background: var(--gradient-primary);
    border: none;
    color: #fff;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    background: var(--gradient-primary);
}

.btn-danger {
    background: var(--gradient-accent);
    border: none;
    color: #fff;
}

.btn-success {
    background: var(--gradient-success);
    border: none;
    color: #fff;
}

.btn-warning {
    background: var(--gradient-warning);
    border: none;
    color: #fff;
}

.btn-outline-secondary {
    border-color: var(--border-color);
    color: var(--text-secondary);
}

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

/* ── Badges ── */
.badge {
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 8px;
    font-size: 11px;
}

.badge-status {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.badge-status::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    display: inline-block;
}

.badge-active { background: rgba(16, 185, 129, 0.12); color: #10b981; }
.badge-active::before { background: #10b981; }
.badge-inactive { background: rgba(239, 68, 68, 0.12); color: #ef4444; }
.badge-inactive::before { background: #ef4444; }

/* ── Alerts (Flash messages) ── */
.alert {
    border-radius: 12px;
    border: none;
    padding: 14px 20px;
    font-size: 13.5px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success { background: rgba(16, 185, 129, 0.1); color: #10b981; border-left: 4px solid #10b981; }
.alert-danger { background: rgba(239, 68, 68, 0.1); color: #ef4444; border-left: 4px solid #ef4444; }
.alert-warning { background: rgba(245, 158, 11, 0.1); color: #f59e0b; border-left: 4px solid #f59e0b; }
.alert-info { background: rgba(59, 130, 246, 0.1); color: #3b82f6; border-left: 4px solid #3b82f6; }

/* ── Pagination ── */
.pagination .page-link {
    background: var(--bg-card);
    border-color: var(--border-color);
    color: var(--text-secondary);
    border-radius: 8px !important;
    margin: 0 2px;
    font-size: 13px;
    padding: 6px 12px;
}

.pagination .page-item.active .page-link {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

/* ── SQL Editor ── */
.sql-editor {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 13px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 16px;
    min-height: 200px;
    resize: vertical;
    color: var(--text-primary);
    line-height: 1.6;
    tab-size: 4;
    white-space: pre;
}

/* ── Pivot Table ── */
.pivot-table {
    overflow-x: auto;
}

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

.pivot-table th, .pivot-table td {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    text-align: right;
    font-size: 13px;
}

.pivot-table th {
    background: var(--bg-input);
    font-weight: 600;
    text-align: center;
}

.pivot-table .pivot-row-header {
    text-align: left;
    font-weight: 600;
    background: var(--bg-input);
}

.pivot-table .pivot-total {
    font-weight: 700;
    background: rgba(102, 126, 234, 0.08);
}

.pivot-table .pivot-grand-total {
    font-weight: 800;
    background: rgba(102, 126, 234, 0.15);
}

/* ── Chart Container ── */
.chart-container {
    position: relative;
    min-height: 350px;
    padding: 10px;
}

/* ── Empty State ── */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state h5 {
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

/* ── Modal ── */
.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    color: var(--text-primary);
}

.modal-header {
    border-color: var(--border-color);
    padding: 18px 24px;
}

.modal-body { padding: 24px; }
.modal-footer { border-color: var(--border-color); }

/* ── Dropdown ── */
.dropdown-menu {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    padding: 6px;
}

.dropdown-item {
    border-radius: 8px;
    padding: 8px 14px;
    color: var(--text-secondary);
    font-size: 13px;
}

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

/* ── Dashboard Grid ── */
.grid-stack { min-height: 400px; }

.grid-stack-item-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.widget-header {
    padding: 10px 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: move;
}

.widget-header h6 {
    margin: 0;
    font-size: 13px;
    font-weight: 600;
}

.widget-body {
    padding: 12px;
    overflow: auto;
}

/* ── Responsive ── */
@media (max-width: 991px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.show {
        transform: translateX(0);
    }
    .main-content {
        margin-left: 0;
        max-width: 100vw;
    }
}

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

.card, .kpi-card {
    animation: fadeIn 0.4s ease-out;
}

/* ── Loading Spinner ── */
.spinner-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: inherit;
    z-index: 10;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }