:root {
    --primary: #667eea;
    --success: #198754;
    --danger: #dc3545;
    --warning: #ffc107;
    --card-bg: #fff;
    --card-header-bg: #fff;
    --text-color: #212529;
    --text-muted: #6c757d;
    --border-color: #dee2e6;
    --body-bg: #f4f6f9;
}
* { 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 .brand { color: var(--primary); font-size: 16px; }
.navbar .btn-link { padding: 0; color: var(--text-color); }
.user-dropdown { cursor: pointer; color: var(--text-color); }
.card {
    border: none;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
}
.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);
}
.card-body { padding: 15px; }
.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;
}
.table td { padding: 8px 10px; vertical-align: middle; }
.list-group-item {
    border-left: none;
    border-right: none;
    padding: 10px 15px;
    background: var(--card-bg);
    border-color: var(--border-color);
}
.list-group-item:first-child { border-top: none; }
.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; }

@media (max-width: 768px) {
    body { font-size: 13px; }
    .navbar { padding: 8px 10px; }
    .navbar .brand { font-size: 14px; }
    .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; }
    #projeksiyon-chart { height: 180px !important; }
    #senaryo-chart { height: 100px !important; }
    .list-group-item { padding: 8px 12px; }
}

@media (prefers-color-scheme: dark) {
    :root {
        --card-bg: #1e1e1e;
        --card-header-bg: #252525;
        --text-color: #e0e0e0;
        --text-muted: #adb5bd;
        --border-color: #404040;
        --body-bg: #121212;
    }
    .card { box-shadow: 0 2px 8px rgba(0,0,0,0.3); }
    .navbar { background: var(--card-bg); box-shadow: 0 2px 10px rgba(0,0,0,0.3); }
    .navbar .brand { color: #667eea; }
    .table { color: #e0e0e0; --bs-table-bg: transparent; }
    .table th { color: #adb5bd; border-color: #404040; }
    .table td { border-color: #404040; }
    .list-group-item { background: var(--card-bg); border-color: var(--border-color); }
    .form-control { background: #2d2d2d; border-color: #404040; color: #e0e0e0; }
    .btn-outline-secondary { color: #adb5bd; border-color: #555; }
    .btn-outline-secondary:hover { background: #404040; color: #fff; }
    .dropdown-menu { background: #2d2d2d; border-color: #404040; }
    .dropdown-item { color: #e0e0e0; }
    .dropdown-item:hover { background: #404040; }
    .modal-content { background: #1e1e1e; border-color: #404040; }
    .modal-header { border-color: #404040; color: #fff; }
    .btn-close { filter: invert(1); }
    .user-dropdown { color: #e0e0e0; }
}

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

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