/* 
 * B2B Dashboard - Modern UI Framework
 * Clean, minimal, professional design
 */

/* ==================== CSS Variables ==================== */
:root {
    /* Colors - Refined Modern Palette */
    /* Beyaz yazi #6366f1 uzerinde 4.47:1 veriyordu ve WCAG AA esigi 4.5.
       .btn-primary uygulamadaki HER birincil dugme; .nav-link.active ve
       .pagination .active da ayni kombinasyon. .badge-primary ise
       #6366f1 uzerine #eef2ff ile 3.99:1 veriyordu.
       #4f46e5 ile dugme 6.3:1, rozet 5.65:1.
       Bkz. docs/portal-ekran-denetimi.md §4 */
    --color-primary: #4f46e5;
    --color-primary-dark: #4338ca;
    --color-primary-light: #818cf8;
    --color-primary-bg: #eef2ff;
    
    --color-secondary: #0ea5e9;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    --color-info: #06b6d4;
    
    /* Neutrals */
    --color-white: #ffffff;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Plus Jakarta Sans', var(--font-sans);
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Layout */
    --sidebar-width: 260px;
    --header-height: 64px;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--color-gray-800);
    background: var(--color-gray-50);
    -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-gray-900);
}

h1 { font-size: 1.875rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }

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

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

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

.sidebar {
    width: var(--sidebar-width);
    background: var(--color-gray-900);
    color: var(--color-white);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-base);
}

.sidebar-header {
    padding: var(--space-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-white);
}

.sidebar-logo svg { width: 32px; height: 32px; color: var(--color-primary-light); }

.sidebar-nav { flex: 1; padding: var(--space-md); overflow-y: auto; }

.nav-section { margin-bottom: var(--space-lg); }

.nav-section-title {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-500);
    padding: var(--space-sm) var(--space-md);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    color: var(--color-gray-400);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.nav-link:hover { color: var(--color-white); background: rgba(255, 255, 255, 0.1); }
.nav-link.active { color: var(--color-white); background: var(--color-primary); }
.nav-link svg { width: 20px; height: 20px; flex-shrink: 0; }

.sidebar-footer { padding: var(--space-md); border-top: 1px solid rgba(255, 255, 255, 0.1); }

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

/* Header */
.header {
    height: var(--header-height);
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-xl);
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-left, .header-right { display: flex; align-items: center; gap: var(--space-lg); }

.page-title { font-size: 1.25rem; font-weight: 600; }

/* User Menu */
.user-menu { position: relative; }

.user-menu-btn {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-lg);
    background: transparent;
    border: 1px solid var(--color-gray-200);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.user-menu-btn:hover { background: var(--color-gray-50); }

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 0.875rem;
    font-weight: 600;
}

.user-info { text-align: left; }
.user-name { font-size: 0.875rem; font-weight: 500; color: var(--color-gray-800); }
.user-role { font-size: 0.75rem; color: var(--color-gray-500); }

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: var(--space-sm);
    min-width: 200px;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-gray-200);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
}

.user-menu:hover .user-dropdown { opacity: 1; visibility: visible; transform: translateY(0); }

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    color: var(--color-gray-700);
    font-size: 0.875rem;
}

.dropdown-item:hover { background: var(--color-gray-50); }
.dropdown-item svg { width: 18px; height: 18px; color: var(--color-gray-400); }
.dropdown-divider { height: 1px; background: var(--color-gray-200); margin: var(--space-xs) 0; }

/* Page Content */
.page-content { flex: 1; padding: var(--space-xl); }

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-xl);
}

.page-header-left h1 { margin-bottom: var(--space-xs); }
.page-header-left p { color: var(--color-gray-500); margin: 0; }

/* Cards */
.card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-200);
    overflow: hidden;
}

.card-header {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title { font-size: 1rem; font-weight: 600; }
.card-body { padding: var(--space-lg); }
.card-footer { padding: var(--space-md) var(--space-lg); background: var(--color-gray-50); border-top: 1px solid var(--color-gray-100); }

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

.stat-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-200);
    padding: var(--space-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    transition: all var(--transition-base);
}

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

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon svg { width: 24px; height: 24px; }
.stat-icon.primary { background: var(--color-primary-bg); color: var(--color-primary); }
.stat-icon.success { background: #d1fae5; color: var(--color-success); }
.stat-icon.warning { background: #fef3c7; color: var(--color-warning); }
.stat-icon.info { background: #cffafe; color: var(--color-info); }

.stat-content { flex: 1; }
.stat-label { font-size: 0.8125rem; color: var(--color-gray-500); margin-bottom: var(--space-xs); }
.stat-value { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; color: var(--color-gray-900); }
.stat-change { font-size: 0.75rem; font-weight: 500; margin-top: var(--space-xs); }
.stat-change.positive { color: var(--color-success); }
.stat-change.negative { color: var(--color-danger); }

/* Tables */
.table-container { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: var(--space-md) var(--space-lg); text-align: left; border-bottom: 1px solid var(--color-gray-100); }
.table th { font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-gray-500); background: var(--color-gray-50); }
.table td { font-size: 0.875rem; color: var(--color-gray-700); }
.table tbody tr:hover { background: var(--color-gray-50); }

/* Badges */
.badge { display: inline-flex; align-items: center; padding: var(--space-xs) var(--space-sm); font-size: 0.75rem; font-weight: 500; border-radius: var(--radius-full); }
.badge-primary { background: var(--color-primary-bg); color: var(--color-primary); }
.badge-success { background: #d1fae5; color: #059669; }
.badge-warning { background: #fef3c7; color: #d97706; }
.badge-danger { background: #fee2e2; color: #dc2626; }
.badge-info { background: #cffafe; color: #0891b2; }
.badge-gray { background: var(--color-gray-100); color: var(--color-gray-600); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn svg { width: 18px; height: 18px; }
.btn-primary { background: var(--color-primary); color: var(--color-white); }
.btn-primary:hover { background: var(--color-primary-dark); color: var(--color-white); }
.btn-secondary { background: var(--color-gray-100); color: var(--color-gray-700); }
.btn-secondary:hover { background: var(--color-gray-200); }
.btn-outline { background: transparent; border: 1px solid var(--color-gray-300); color: var(--color-gray-700); }
.btn-outline:hover { background: var(--color-gray-50); }
.btn-success { background: var(--color-success); color: var(--color-white); }
.btn-danger { background: var(--color-danger); color: var(--color-white); }
.btn-sm { padding: var(--space-xs) var(--space-sm); font-size: 0.8125rem; }
.btn-lg { padding: var(--space-md) var(--space-xl); font-size: 1rem; }

/* Forms */
.form-group { margin-bottom: var(--space-lg); }
.form-label { display: block; font-size: 0.875rem; font-weight: 500; color: var(--color-gray-700); margin-bottom: var(--space-xs); }

.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    color: var(--color-gray-800);
    background: var(--color-white);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-bg);
}

.form-input::placeholder { color: var(--color-gray-400); }
.form-textarea { resize: vertical; min-height: 100px; }
.form-hint { font-size: 0.8125rem; color: var(--color-gray-500); margin-top: var(--space-xs); }
.form-error { color: var(--color-danger); font-size: 0.8125rem; margin-top: var(--space-xs); }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--space-lg); }

/* Alerts */
.alert { padding: var(--space-md) var(--space-lg); border-radius: var(--radius-lg); display: flex; align-items: flex-start; gap: var(--space-md); margin-bottom: var(--space-lg); }
.alert svg { width: 20px; height: 20px; flex-shrink: 0; }
.alert-success { background: #d1fae5; color: #065f46; border: 1px solid #a7f3d0; }
.alert-warning { background: #fef3c7; color: #92400e; border: 1px solid #fde68a; }
.alert-danger { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }
.alert-info { background: #cffafe; color: #155e75; border: 1px solid #a5f3fc; }

/* Empty State */
.empty-state { text-align: center; padding: var(--space-2xl); }
.empty-state svg { width: 64px; height: 64px; color: var(--color-gray-300); margin-bottom: var(--space-lg); }
.empty-state h3 { font-size: 1.125rem; color: var(--color-gray-700); margin-bottom: var(--space-sm); }
.empty-state p { color: var(--color-gray-500); margin-bottom: var(--space-lg); }

/* Search */
.search-bar { position: relative; max-width: 400px; }
.search-bar input { width: 100%; padding: var(--space-sm) var(--space-md); padding-left: 40px; background: var(--color-gray-100); border: 1px solid transparent; border-radius: var(--radius-lg); font-size: 0.875rem; }
.search-bar input:focus { background: var(--color-white); border-color: var(--color-primary); }
.search-bar svg { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); width: 18px; height: 18px; color: var(--color-gray-400); }

/* Filters */
.filters-bar { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-md); padding: var(--space-md) var(--space-lg); background: var(--color-gray-50); border-radius: var(--radius-lg); margin-bottom: var(--space-lg); }
.filter-group { display: flex; align-items: center; gap: var(--space-sm); }
.filter-group label { font-size: 0.8125rem; font-weight: 500; color: var(--color-gray-600); }
.filter-group select, .filter-group input[type="date"] { padding: var(--space-xs) var(--space-sm); font-size: 0.875rem; border: 1px solid var(--color-gray-300); border-radius: var(--radius-sm); background: var(--color-white); }

/* Pagination */
.pagination { display: flex; align-items: center; justify-content: center; gap: var(--space-xs); padding: var(--space-lg) 0; }
.pagination a, .pagination span { display: flex; align-items: center; justify-content: center; min-width: 36px; height: 36px; padding: 0 var(--space-sm); font-size: 0.875rem; font-weight: 500; color: var(--color-gray-600); background: var(--color-white); border: 1px solid var(--color-gray-200); border-radius: var(--radius-md); }
.pagination a:hover { background: var(--color-gray-50); }
.pagination .active { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-white); }

/* Loading */
.loading { display: flex; align-items: center; justify-content: center; padding: var(--space-2xl); }
.spinner { width: 40px; height: 40px; border: 3px solid var(--color-gray-200); border-top-color: var(--color-primary); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Modal */
.modal-overlay { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.5); display: flex; align-items: center; justify-content: center; z-index: 1000; opacity: 0; visibility: hidden; }
.modal-overlay.active { opacity: 1; visibility: visible; }
.modal { background: var(--color-white); border-radius: var(--radius-xl); box-shadow: var(--shadow-xl); max-width: 500px; width: 90%; max-height: 90vh; overflow-y: auto; }
.modal-header { padding: var(--space-lg); border-bottom: 1px solid var(--color-gray-100); display: flex; align-items: center; justify-content: space-between; }
.modal-close { width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-md); background: transparent; border: none; cursor: pointer; }
.modal-body { padding: var(--space-lg); }
.modal-footer { padding: var(--space-md) var(--space-lg); border-top: 1px solid var(--color-gray-100); display: flex; justify-content: flex-end; gap: var(--space-sm); }

/* Sidebar Toggle (Mobile) */
.sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 90;
    opacity: 0;
    transition: opacity var(--transition-base);
}
.sidebar-backdrop.active { display: block; opacity: 1; }

.menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    cursor: pointer;
    color: var(--color-gray-700);
}
.menu-toggle:hover { background: var(--color-gray-50); }
.menu-toggle svg { width: 22px; height: 22px; }

/* Responsive */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
        box-shadow: var(--shadow-xl);
    }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; }
    .menu-toggle { display: inline-flex; }
    .header { padding: 0 var(--space-md); }
    .page-content { padding: var(--space-lg) var(--space-md); }
    .header-left, .header-right { gap: var(--space-sm); }
    .user-info { display: none; }
    .user-menu-btn { padding: var(--space-xs); border: none; }
    .header-right form select { max-width: 90px; }
    .page-title { font-size: 1rem; }
}

@media (max-width: 768px) {
    .page-header {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-md);
    }
    .page-header-right { flex-wrap: wrap; }
    .page-header-right .btn { flex: 1 1 auto; min-width: 0; justify-content: center; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: var(--space-md); }
    .stat-card { padding: var(--space-md); }
    .stat-value { font-size: 1.25rem; }
    .stat-icon { width: 40px; height: 40px; }
    .stat-icon svg { width: 20px; height: 20px; }
    .card-body, .card-header { padding: var(--space-md); }
    h1 { font-size: 1.375rem; }
    .filters-bar, .filter-form { padding: var(--space-md); }
    .filter-row { grid-template-columns: 1fr !important; }
    .filter-group { width: 100%; }
    .filter-group select, .filter-group input { width: 100%; }

    /* Tables on mobile: smaller padding */
    .table th, .table td,
    .data-table th, .data-table td { padding: var(--space-sm) var(--space-md); font-size: 0.8125rem; }
    .table th, .data-table th { white-space: nowrap; }

    .form-row { grid-template-columns: 1fr; }
    .modal { width: 95%; max-height: 95vh; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .page-content { padding: var(--space-md) var(--space-sm); }
    .header { padding: 0 var(--space-sm); }
    .page-title { display: none; }
}

/* ==================== Missing utilities & aliases ==================== */

/* data-table (alias for .table with same styling) */
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { padding: var(--space-md) var(--space-lg); text-align: left; border-bottom: 1px solid var(--color-gray-100); }
.data-table th { font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-gray-500); background: var(--color-gray-50); }
.data-table th a { color: inherit; display: inline-flex; align-items: center; gap: var(--space-xs); }
.data-table th a:hover { color: var(--color-primary); }
.data-table td { font-size: 0.875rem; color: var(--color-gray-700); vertical-align: middle; }
.data-table tbody tr:hover { background: var(--color-gray-50); }

/* Button aliases */
.btn-ghost {
    background: transparent;
    color: var(--color-gray-600);
    border: 1px solid transparent;
}
.btn-ghost:hover { background: var(--color-gray-100); color: var(--color-gray-900); }

/* Btn group for action button clusters */
.btn-group {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
}

/* Badge aliases */
.badge-secondary { background: var(--color-gray-100); color: var(--color-gray-600); }

/* Filter form (alternative to filters-bar) */
.filter-form { padding: var(--space-lg); }
.filter-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr auto;
    gap: var(--space-md);
    align-items: center;
}
.filter-row .filter-group { display: block; }
.filter-row .filter-group .form-input,
.filter-row .filter-group .form-select { width: 100%; }
.filter-row .filter-group:last-child {
    display: flex;
    gap: var(--space-sm);
}

/* Pagination wrapper */
.pagination-wrapper { padding: var(--space-md) var(--space-lg); border-top: 1px solid var(--color-gray-100); display: flex; justify-content: center; }
.page-link, .pagination a { color: var(--color-gray-600); }
.page-info { font-size: 0.875rem; color: var(--color-gray-600); padding: 0 var(--space-md); }

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.8125rem;
    color: var(--color-gray-500);
    margin-bottom: var(--space-xs);
}
.breadcrumb a { color: var(--color-gray-600); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb span { color: var(--color-gray-400); }

/* Info list (key/value display) */
.info-list { display: flex; flex-direction: column; gap: var(--space-sm); }
.info-item { display: flex; justify-content: space-between; align-items: center; gap: var(--space-md); padding: var(--space-xs) 0; }
.info-label { font-size: 0.8125rem; color: var(--color-gray-500); flex-shrink: 0; }
.info-value { font-weight: 500; color: var(--color-gray-800); text-align: right; word-break: break-word; }
.info-value a { color: var(--color-primary); }

/* Address card */
.address-card { font-size: 0.875rem; color: var(--color-gray-700); }
.address-card.address-default { background: var(--color-primary-bg); padding: var(--space-md); border-radius: var(--radius-md); margin: 0 calc(var(--space-md) * -0.5); }

/* Bootstrap-like utility aliases used in templates */
.text-end { text-align: right; }
.text-decoration-none { text-decoration: none; }
.fw-bold { font-weight: 700; }
.py-5 { padding-top: 3rem; padding-bottom: 3rem; }
.mt-2 { margin-top: var(--space-md); }
.mb-0 { margin-bottom: 0; }
.mb-3 { margin-bottom: var(--space-lg); }
.gap-1 { gap: var(--space-xs); }
.gap-2 { gap: var(--space-sm); }
.gap-3 { gap: var(--space-md); }

/* Responsive grid for detail/two-column layouts */
.grid-cols-3 {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}
@media (min-width: 1024px) {
    .grid-cols-3 {
        grid-template-columns: 360px 1fr;
        align-items: start;
    }
}

/* ==================== Generic list-view toggle ====================
   Patern: aynı veri için iki render — tablo (desktop) / kart (mobile).
   Sayfalar şu yapıyı kullanır:
       <div class="list-table-view">...table...</div>
       <div class="list-cards-view">...cards...</div>
   <=768px tabloyu gizler, kartları gösterir.
*/
.list-table-view { display: block; }
.list-cards-view { display: none; flex-direction: column; }

@media (max-width: 768px) {
    .list-table-view { display: none; }
    .list-cards-view { display: flex; }
}

/* Mobile list-item (her sayfada aynı look) */
.mobile-list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    text-decoration: none;
    color: inherit;
    border-bottom: 1px solid var(--color-gray-100);
    transition: background var(--transition-fast);
    background: var(--color-white);
}
.mobile-list-item:last-child { border-bottom: none; }
.mobile-list-item:hover { background: var(--color-gray-50); color: inherit; }
.mobile-list-main { min-width: 0; flex: 1; }
.mobile-list-title { font-weight: 600; font-size: 0.9375rem; color: var(--color-gray-900); }
.mobile-list-sub { font-size: 0.8125rem; color: var(--color-gray-600); margin-top: 2px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mobile-list-meta { font-size: 0.75rem; color: var(--color-gray-500); margin-top: 2px; }
.mobile-list-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--space-xs);
    flex-shrink: 0;
    text-align: right;
}
.mobile-list-amount { font-weight: 600; font-size: 0.875rem; color: var(--color-gray-900); }

/* Utilities */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--color-gray-500); }
.text-primary { color: var(--color-primary); }
.text-success { color: var(--color-success); }
.text-danger { color: var(--color-danger); }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.mt-0 { margin-top: 0; }
.mt-2 { margin-top: var(--space-md); }
.mt-3 { margin-top: var(--space-lg); }
.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: var(--space-md); }
.mb-3 { margin-bottom: var(--space-lg); }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-md); }
.hidden { display: none !important; }

/* ---------------------------------------------------------------
   Sayfa izgaralari.

   Bu siniflar var cunku satir ici `grid-template-columns` buradaki
   medya sorgulariyla GECERSIZ KILINAMIYOR: satir ici stil daha
   ozgul. Sablonlar izgarayi satir ici yazdigi surece uygulamanin
   duyarli tasarimi o ekranlarda devre disi kaliyordu.

   Sutun sayisi burada, bosluk sablonda: mevcut `gap` degerleri
   korunuyor.

   `minmax(0, 1fr)` kullaniliyor, `1fr` degil: genis bir cocuk
   (tablo, uzun kod) `1fr` izgarada tasip sayfayi yana kaydiriyor.
   Bkz. docs/portal-ekran-denetimi.md §3
   --------------------------------------------------------------- */
.grid-2 { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
/* Yan sutunlu duzenler: dar tarafta bilgi karti, genis tarafta icerik. */
.grid-1-2 { grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); }
.grid-2-1 { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); }
.grid-3-1 { grid-template-columns: minmax(0, 3fr) minmax(0, 1fr); }

/* Yan sutun 1024'te dusuyor: dar tarafi daha erken okunmaz oluyor. */
@media (max-width: 1024px) {
    .grid-1-2, .grid-2-1 { grid-template-columns: minmax(0, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-3-1 { grid-template-columns: minmax(0, 1fr); }
}

/* Alan bazli form hatasi. --color-danger metinde 4.5:1'i gecmiyor,
   yazi icin koyusu kullaniliyor. Bkz. docs/portal-ekran-denetimi.md §2 */
.form-error {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    margin-top: var(--space-xs);
    font-size: 0.8125rem;
    color: #b91c1c;
}
.form-error svg { width: 15px; height: 15px; flex-shrink: 0; margin-top: 2px; }