:root {
    --primary: #667eea;
    --success: #198754;
    --danger: #dc3545;
    --warning: #ffc107;
    --card-bg: #fff;
    --card-header-bg: #fff8dc;
    --card-border-color: #000000;
    --text-color: #212529;
    --text-muted: #6c757d;
    --border-color: #dee2e6;
    --body-bg: #f4f6f9;
    --widget-height: 400px;
}
* { box-sizing: border-box; }
body {
    background: var(--body-bg);
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
    color: var(--text-color);
}
.navbar {
    background: var(--card-bg);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 10px 15px;
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.navbar .btn-link { padding: 0; color: var(--text-color); }
.user-dropdown { cursor: pointer; color: var(--text-color); }
.card {
    border: 2px solid var(--card-border-color);
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
    height: var(--widget-height);
    display: flex;
    flex-direction: column;
}
.card:not(.bg-primary):not(.bg-success):not(.bg-danger):not(.bg-warning):not(.bg-info):not(.bg-secondary) {
    background: var(--card-bg);
}
.card-header {
    font-weight: 600;
    background: var(--card-header-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 10px 15px;
    font-size: 13px;
    color: var(--text-color);
    flex-shrink: 0;
}
.card-body { 
    padding: 15px; 
    color: var(--text-color); 
    flex: 1;
    overflow-y: auto;
}
.table { margin: 0; color: var(--text-color); }
.table th {
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    color: var(--text-muted);
    border-top: none;
    padding: 8px 10px;
    position: sticky;
    top: 0;
    background: var(--card-bg);
    z-index: 1;
}
.table td { padding: 8px 10px; vertical-align: middle; color: var(--text-color); }
.list-group-item {
    border-left: none;
    border-right: none;
    padding: 10px 15px;
    background: var(--card-bg);
    border-color: var(--border-color);
    color: var(--text-color);
}
.list-group-item:first-child { border-top: none; }
.list-group-item strong, .list-group-item span { color: var(--text-color); }
.badge { font-weight: 500; font-size: 11px; }
.btn-group-sm .btn { padding: 4px 8px; font-size: 12px; }
.fullscreen-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0,0,0,0.95);
    z-index: 9999;
    padding: 15px;
}
.fullscreen-overlay.active { display: flex; flex-direction: column; }
.fullscreen-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    color: #fff;
}
.fullscreen-close {
    background: none;
    border: none;
    color: #fff;
    font-size: 32px;
    cursor: pointer;
}
.fullscreen-chart { flex: 1; position: relative; }
.fullscreen-chart canvas { position: absolute; top: 0; left: 0; width: 100% !important; height: 100% !important; }
.form-control, .form-control-sm {
    font-size: 13px;
    padding: 6px 10px;
    background: var(--card-bg);
    border-color: var(--border-color);
    color: var(--text-color);
}
.small { font-size: 12px; }
.text-muted { color: var(--text-muted) !important; }

/* Özet kartları - sabit yükseklik yok */
[data-modul="ozet_kartlar"] .card {
    height: auto;
    min-height: auto;
}

/* Chart container */
.card-body canvas {
    max-height: 100%;
}

/* Mobil */
@media (max-width: 768px) {
    :root {
        --widget-height: 280px;
    }
    body { font-size: 13px; }
    .navbar { padding: 8px 10px; }
    .card { margin-bottom: 10px; }
    .card-header { padding: 8px 12px; font-size: 12px; }
    .card-body { padding: 10px; }
    [data-modul="ozet_kartlar"] h4 { font-size: 16px; }
    [data-modul="ozet_kartlar"] h6 { font-size: 10px; }
    .table th, .table td { padding: 6px 8px; font-size: 11px; }
    .list-group-item { padding: 8px 12px; }
    #tarih { font-size: 11px; }
    #user-name { font-size: 12px; }
    /* Mobil dokunmatik hedef iyileştirmeleri */
    .dropdown-item {
        padding: 12px 16px;
        min-height: 44px;
        touch-action: manipulation;
    }
    .navbar .btn {
        min-height: 44px;
        touch-action: manipulation;
    }
    .user-dropdown {
        padding: 8px 0;
        touch-action: manipulation;
    }
}

/* Tablet */
@media (min-width: 769px) and (max-width: 1024px) {
    :root {
        --widget-height: 350px;
    }
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
    :root {
        --card-bg: #1e1e1e;
        --card-header-bg: #2a2a2a;
        --card-border-color: #444444;
        --text-color: #f0f0f0;
        --text-muted: #b0b0b0;
        --border-color: #3a3a3a;
        --body-bg: #0d0d0d;
        --input-bg: #2d2d2d;
        --input-text: #ffffff;
    }
    body {
        color: var(--text-color);
        background: var(--body-bg);
    }
    .card {
        box-shadow: 0 2px 12px rgba(0,0,0,0.5);
        color: var(--text-color);
        background: var(--card-bg);
        border-color: var(--card-border-color);
    }
    .card-header {
        background: var(--card-header-bg);
        border-color: var(--border-color);
        color: #ffffff;
    }
    .card-body { color: var(--text-color); }
    .navbar {
        background: #1a1a1a;
        box-shadow: 0 2px 10px rgba(0,0,0,0.4);
        color: var(--text-color);
        border-bottom: 1px solid #333;
    }
    .table { color: var(--text-color); --bs-table-bg: transparent; }
    .table th {
        color: #ffffff;
        border-color: #404040;
        background: #252525;
        font-weight: 600;
    }
    .table td { border-color: #353535; color: var(--text-color); }
    .table-striped > tbody > tr:nth-of-type(odd) > * {
        background-color: rgba(255,255,255,0.03);
        color: var(--text-color);
    }
    .table-hover > tbody > tr:hover > * {
        background-color: rgba(255,255,255,0.08);
        color: #fff;
    }
    .table-danger { background-color: rgba(220,53,69,0.25) !important; }
    .list-group-item {
        background: var(--card-bg);
        border-color: var(--border-color);
        color: var(--text-color) !important;
    }
    .list-group-item * { color: inherit; }
    .list-group-item strong { color: #fff !important; }
    .list-group-item span:not(.badge) { color: var(--text-color) !important; }
    .list-group-item .text-muted { color: var(--text-muted) !important; }
    .list-group-item-danger { background-color: rgba(220,53,69,0.25) !important; color: var(--text-color) !important; }

    /* Alert - Dark Mode (Okunabilir renkler) */
    .alert {
        border-width: 1px;
    }
    .alert-success {
        background-color: rgba(25, 135, 84, 0.2) !important;
        border-color: rgba(25, 135, 84, 0.4) !important;
        color: #75d9a3 !important;
    }
    .alert-danger {
        background-color: rgba(220, 53, 69, 0.2) !important;
        border-color: rgba(220, 53, 69, 0.4) !important;
        color: #f5a5ad !important;
    }
    .alert-warning {
        background-color: rgba(255, 193, 7, 0.15) !important;
        border-color: rgba(255, 193, 7, 0.35) !important;
        color: #ffe082 !important;
    }
    .alert-info {
        background-color: rgba(13, 202, 240, 0.15) !important;
        border-color: rgba(13, 202, 240, 0.35) !important;
        color: #8be9fd !important;
    }
    .alert-secondary {
        background-color: rgba(108, 117, 125, 0.2) !important;
        border-color: rgba(108, 117, 125, 0.4) !important;
        color: #c5c8cb !important;
    }
    .alert-primary {
        background-color: rgba(13, 110, 253, 0.2) !important;
        border-color: rgba(13, 110, 253, 0.4) !important;
        color: #8bb8f8 !important;
    }

    /* Badge - Dark Mode (Daha parlak) */
    .badge.bg-light {
        background-color: #3a3a3a !important;
        color: #e0e0e0 !important;
    }
    .badge.bg-secondary {
        background-color: #4a4a4a !important;
        color: #ffffff !important;
    }
    .badge.bg-success {
        background-color: #1a7f4b !important;
        color: #ffffff !important;
    }
    .badge.bg-danger {
        background-color: #b02a37 !important;
        color: #ffffff !important;
    }
    .badge.bg-warning {
        background-color: #cc9a06 !important;
        color: #000000 !important;
    }
    .badge.bg-info {
        background-color: #0aa2c0 !important;
        color: #ffffff !important;
    }

    /* Form elemanları - Dark Mode */
    .form-control,
    .form-select,
    input[type="text"],
    input[type="email"],
    input[type="password"],
    input[type="number"],
    input[type="date"],
    input[type="tel"],
    textarea,
    select {
        background-color: #252525 !important;
        border-color: #4a4a4a !important;
        color: #ffffff !important;
    }
    .form-control:focus,
    .form-select:focus,
    input:focus,
    textarea:focus,
    select:focus {
        background-color: #2a2a2a !important;
        border-color: #667eea !important;
        color: #ffffff !important;
        box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.35);
    }
    .form-control::placeholder,
    input::placeholder,
    textarea::placeholder {
        color: #777 !important;
    }
    .form-control:disabled,
    .form-control[readonly] {
        background-color: #1a1a1a !important;
        color: #888 !important;
    }

    /* Datalist dropdown */
    datalist,
    option {
        background-color: #252525 !important;
        color: #ffffff !important;
    }

    /* Button - Dark Mode */
    .btn-outline-secondary {
        color: #c0c0c0;
        border-color: #555;
    }
    .btn-outline-secondary:hover {
        background: #404040;
        color: #fff;
        border-color: #666;
    }
    .btn-outline-primary {
        color: #8bb8f8;
        border-color: #4a8af4;
    }
    .btn-outline-primary:hover {
        background: #0d6efd;
        color: #fff;
    }
    .btn-outline-success {
        color: #75d9a3;
        border-color: #28a745;
    }
    .btn-outline-success:hover {
        background: #198754;
        color: #fff;
    }
    .btn-outline-danger {
        color: #f5a5ad;
        border-color: #dc3545;
    }
    .btn-outline-danger:hover {
        background: #dc3545;
        color: #fff;
    }
    .btn-light {
        background-color: #3a3a3a !important;
        border-color: #4a4a4a !important;
        color: #e0e0e0 !important;
    }
    .btn-light:hover {
        background-color: #4a4a4a !important;
        color: #fff !important;
    }

    .dropdown-menu {
        background: #252525;
        border-color: #404040;
        box-shadow: 0 4px 12px rgba(0,0,0,0.5);
    }
    .dropdown-item { color: #e0e0e0; }
    .dropdown-item:hover {
        background: #3a3a3a;
        color: #fff;
    }
    .dropdown-divider {
        border-color: #404040;
    }

    /* Modal - Dark Mode */
    .modal-content {
        background: #1e1e1e;
        border-color: #404040;
        color: var(--text-color);
        box-shadow: 0 8px 32px rgba(0,0,0,0.6);
    }
    .modal-header {
        border-color: #404040;
        color: #fff;
        background: #252525;
    }
    .modal-header.bg-primary {
        background: #0d4ea6 !important;
    }
    .modal-header.bg-light {
        background: #2a2a2a !important;
        color: #ffffff !important;
    }
    .modal-body {
        color: var(--text-color);
        background: #1e1e1e;
    }
    .modal-footer {
        border-color: #404040;
        background: #1e1e1e;
    }
    .btn-close { filter: invert(1); }

    /* Modal içindeki form elemanları */
    .modal-body .form-control,
    .modal-body .form-select,
    .modal-body input,
    .modal-body textarea,
    .modal-body select {
        background-color: #252525 !important;
        border-color: #4a4a4a !important;
        color: #ffffff !important;
    }

    /* Soru kartları - Dark Mode */
    .soru-card {
        background: #252525 !important;
        border-color: #404040 !important;
        color: #f0f0f0 !important;
    }
    .soru-card .badge.bg-secondary {
        background-color: #4a4a4a !important;
    }

    /* Progress bar */
    .progress {
        background-color: #353535;
    }

    /* Border utility sınıfları */
    .border {
        border-color: #404040 !important;
    }
    .border-bottom {
        border-color: #404040 !important;
    }
    .border-top {
        border-color: #404040 !important;
    }

    /* bg-white dark modda */
    .bg-white {
        background-color: #1e1e1e !important;
    }
    .bg-light {
        background-color: #252525 !important;
    }

    /* Text sınıfları */
    .text-dark {
        color: #e0e0e0 !important;
    }

    .user-dropdown { color: #f0f0f0; }
    .accordion-item { background: var(--card-bg); border-color: var(--border-color); }
    .accordion-button { background: #2a2a2a; color: #f0f0f0; }
    .accordion-button:not(.collapsed) { background: #333; color: #fff; }
    .accordion-body { background: var(--card-bg); color: var(--text-color); }
    .form-check-label { color: var(--text-color); }
    .form-label { color: var(--text-color); }

    /* Form check inputs */
    .form-check-input {
        background-color: #2d2d2d;
        border-color: #555;
    }
    .form-check-input:checked {
        background-color: #667eea;
        border-color: #667eea;
    }

    /* Kalite Board özel - soru kartları daha belirgin */
    #formFillModal .soru-card {
        background: #2a2a2a !important;
        box-shadow: 0 1px 4px rgba(0,0,0,0.3);
    }
    #formFillModal .bg-primary {
        background-color: #0d4ea6 !important;
    }
    #formFillModal .sticky-top {
        background-color: #0d4ea6 !important;
    }

    /* Sayısal input durumları - Dark Mode */
    .sayisal-input {
        background-color: #252525 !important;
        color: #ffffff !important;
        border-color: #4a4a4a !important;
    }
    .sayisal-input.sayisal-filled {
        background-color: #1a3a1a !important;
        color: #90ee90 !important;
        border-color: #2d5a2d !important;
        font-weight: 600;
    }
    .sayisal-input.sayisal-focused {
        background-color: #1a1a3a !important;
        color: #ffffff !important;
        border-color: #667eea !important;
        box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.4) !important;
    }
    .sayisal-input::placeholder {
        color: #888 !important;
    }

    /* Scrollbar - Dark Mode */
    ::-webkit-scrollbar {
        width: 8px;
        height: 8px;
    }
    ::-webkit-scrollbar-track {
        background: #1a1a1a;
    }
    ::-webkit-scrollbar-thumb {
        background: #4a4a4a;
        border-radius: 4px;
    }
    ::-webkit-scrollbar-thumb:hover {
        background: #5a5a5a;
    }

    /* Hover shadow efektleri */
    .hover-shadow:hover {
        box-shadow: 0 4px 16px rgba(0,0,0,0.5) !important;
    }

    /* Kart içi küçük kartlar */
    .card .card {
        background: #252525 !important;
        border-color: #3a3a3a !important;
    }

    /* Shadow utility */
    .shadow-sm {
        box-shadow: 0 1px 4px rgba(0,0,0,0.4) !important;
    }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
.card { animation: fadeIn 0.3s ease; }

.btn-xs {
    padding: 2px 6px;
    font-size: 11px;
    line-height: 1.2;
}

/* Online pulse animation */
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.1); }
}

/* Custom action buttons */
.btn-action-edit {
    background-color: #fff !important;
    border-color: #0d6efd !important;
    color: #0d6efd !important;
}
.btn-action-edit:hover,
.btn-action-edit:focus {
    background-color: #0d6efd !important;
    border-color: #0d6efd !important;
    color: #fff !important;
}
.btn-action-delete {
    background-color: #fff !important;
    border-color: #dc3545 !important;
    color: #dc3545 !important;
}
.btn-action-delete:hover,
.btn-action-delete:focus {
    background-color: #dc3545 !important;
    border-color: #dc3545 !important;
    color: #fff !important;
}
.btn-action-delete:disabled {
    background-color: #f8f9fa !important;
    border-color: #ccc !important;
    color: #999 !important;
    opacity: 0.6;
}