/* Özel arayüz katmanı — teal / amber / warm stone */

:root {
    --app-font: 'Manrope', system-ui, -apple-system, sans-serif;
    --app-display: 'Syne', system-ui, sans-serif;
    --app-primary: #0d9488;
    --app-primary-dark: #0f766e;
    --app-accent: #ea580c;
    --app-accent-soft: rgba(234, 88, 12, 0.12);
    --app-surface: #fdfcfa;
    --app-border: rgba(120, 113, 108, 0.14);
    --app-mesh-1: rgba(13, 148, 136, 0.09);
    --app-mesh-2: rgba(234, 88, 12, 0.06);
}

html {
    font-family: var(--app-font);
}

.font-display {
    font-family: var(--app-display);
    letter-spacing: -0.02em;
}

body.app-shell {
    font-family: var(--app-font);
    background-color: #f5f3f0;
    background-image:
        radial-gradient(900px 500px at 12% -8%, var(--app-mesh-1), transparent 55%),
        radial-gradient(700px 420px at 98% 12%, var(--app-mesh-2), transparent 50%),
        linear-gradient(165deg, #faf9f7 0%, #f0eeeb 48%, #e8f5f3 100%);
    background-attachment: fixed;
}

/* İnce doku — stok fotoğraf hissi vermeden derinlik */
body.app-shell::before {
    content: '';
    pointer-events: none;
    position: fixed;
    inset: 0;
    z-index: 0;
    opacity: 0.35;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
}

body.app-shell > .flex {
    position: relative;
    z-index: 1;
}

/* Kartlar — hafif sıcak ton, üst vurgu çizgisi */
.app-card {
    position: relative;
    background: linear-gradient(165deg, #fffefb 0%, #faf8f5 100%);
    border: 1px solid var(--app-border);
    border-radius: 1.125rem;
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.85) inset,
        0 2px 4px rgba(28, 25, 23, 0.04),
        0 16px 48px -20px rgba(13, 148, 136, 0.12);
    overflow: hidden;
}

.app-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--app-primary), var(--app-accent));
    opacity: 0.55;
    border-radius: 1.125rem 1.125rem 0 0;
}

.app-card-hover {
    transition: box-shadow 0.22s ease, transform 0.22s ease, border-color 0.22s ease;
}
.app-card-hover:hover {
    transform: translateY(-2px);
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.9) inset,
        0 8px 24px -8px rgba(13, 148, 136, 0.18),
        0 20px 50px -24px rgba(234, 88, 12, 0.08);
    border-color: rgba(13, 148, 136, 0.22);
}

.stat-tile-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3.25rem;
    height: 3.25rem;
    border-radius: 1rem;
    font-size: 1.25rem;
    background: linear-gradient(135deg, rgba(13, 148, 136, 0.14), rgba(234, 88, 12, 0.08));
    color: var(--app-primary-dark);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.65);
}

/* DataTables */
.dataTables_wrapper .dataTables_filter input {
    border: 1px solid rgba(120, 113, 108, 0.22);
    border-radius: 0.65rem;
    padding: 0.5rem 0.875rem;
    font-size: 0.875rem;
    outline: none;
    background: #fff;
    transition: border-color 0.15s, box-shadow 0.15s;
}
.dataTables_wrapper .dataTables_filter input:focus {
    border-color: var(--app-primary);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.18);
}
.dataTables_wrapper .dataTables_length select {
    border: 1px solid rgba(120, 113, 108, 0.22);
    border-radius: 0.5rem;
    padding: 0.35rem 0.6rem;
    font-size: 0.875rem;
    background: #fff;
}
table.dataTable thead th {
    background: linear-gradient(180deg, #faf8f5 0%, #f0ebe6 100%);
    color: #78716c;
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-bottom: 1px solid rgba(120, 113, 108, 0.15) !important;
}
table.dataTable tbody tr:hover {
    background-color: rgba(13, 148, 136, 0.05) !important;
}
table.dataTable tbody tr td {
    padding: 0.75rem 1rem;
    vertical-align: middle;
    border-color: rgba(231, 229, 228, 0.95) !important;
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: rgba(245, 243, 240, 0.9);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #5eead4, #14b8a6);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #2dd4bf, #0d9488);
}

main.app-main {
    animation: appFadeIn 0.32s cubic-bezier(0.22, 1, 0.36, 1);
}
@keyframes appFadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.nav-item-active {
    background: linear-gradient(105deg, #0f766e 0%, #0d9488 45%, #0f766e 100%);
    color: #fff !important;
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.12) inset,
        0 6px 20px -6px rgba(13, 148, 136, 0.55),
        -3px 0 0 0 #ea580c;
}
.nav-item-inactive {
    color: rgba(228, 228, 231, 0.88);
}
.nav-item-inactive:hover {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
}

/* Giriş sayfası — auth gövdesi (layout auth.php) */
body.auth-page {
    background-color: #1c1917;
    background-image:
        radial-gradient(ellipse 80% 60% at 20% 20%, rgba(13, 148, 136, 0.35), transparent),
        radial-gradient(ellipse 60% 50% at 85% 80%, rgba(234, 88, 12, 0.22), transparent);
    background-attachment: fixed;
}