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

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

:root {
    --bg: #1c1c1c;
    --gold: #ae9349;
    --gold-light: #c9ab5a;
    --gold-dark: #8a7338;
    --surface: #242424;
    --surface2: #2e2e2e;
    --border: rgba(174,147,73,0.25);
    --text: #f0ece0;
    --text-muted: #888;
    --green: #2ecc71;
    --red: #e74c3c;
    --yellow: #f39c12;
    --radius: 12px;
    --shadow: 0 8px 32px rgba(0,0,0,0.5);
}

body { font-family: 'Montserrat', sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--surface); }
::-webkit-scrollbar-thumb { background: var(--gold-dark); border-radius: 3px; }

.glass-card {
    background: linear-gradient(135deg, rgba(36,36,36,0.95), rgba(28,28,28,0.98));
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow), inset 0 1px 0 rgba(174,147,73,0.1);
}

.btn-gold {
    background: linear-gradient(135deg, var(--gold), var(--gold-dark));
    color: #1c1c1c;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.25s ease;
    padding: 12px 28px;
    position: relative;
    overflow: hidden;
}

.btn-gold::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transition: left 0.4s ease;
}

.btn-gold:hover::before { left: 100%; }
.btn-gold:hover { box-shadow: 0 0 20px rgba(174,147,73,0.5); transform: translateY(-1px); }
.btn-gold:active { transform: translateY(0); }
.btn-gold:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn-outline {
    background: transparent;
    border: 1px solid var(--gold);
    color: var(--gold);
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.8rem;
    letter-spacing: 0.04em;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 8px 16px;
}
.btn-outline:hover { background: var(--gold); color: #1c1c1c; }

.btn-danger {
    background: transparent;
    border: 1px solid var(--red);
    color: var(--red);
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.8rem;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 8px 16px;
}
.btn-danger:hover { background: var(--red); color: #fff; }

.btn-success {
    background: transparent;
    border: 1px solid var(--green);
    color: var(--green);
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.8rem;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 8px 16px;
}
.btn-success:hover { background: var(--green); color: #1c1c1c; }

.input-field {
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-family: 'Montserrat', sans-serif;
    font-size: 0.9rem;
    padding: 12px 16px;
    width: 100%;
    transition: all 0.25s ease;
    outline: none;
}
.input-field:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(174,147,73,0.15); }
.input-field.valid { border-color: var(--green); }
.input-field.invalid { border-color: var(--red); box-shadow: 0 0 0 3px rgba(231,76,60,0.15); }
.input-field::placeholder { color: var(--text-muted); font-size: 0.85rem; }

.input-group { position: relative; margin-bottom: 20px; }
.input-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 8px;
}
.input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gold);
    font-size: 0.9rem;
    pointer-events: none;
}
.input-field.has-icon { padding-left: 42px; }
.input-hint {
    font-size: 0.72rem;
    margin-top: 5px;
    color: var(--text-muted);
    transition: color 0.2s;
}
.input-hint.error { color: var(--red); }
.input-hint.success { color: var(--green); }

.toast {
    position: fixed;
    bottom: 28px;
    right: 28px;
    padding: 14px 22px;
    border-radius: 10px;
    font-size: 0.875rem;
    font-weight: 600;
    z-index: 9999;
    animation: slideInToast 0.3s ease;
    max-width: 360px;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.6);
}
.toast.success { background: #1a3a28; border: 1px solid var(--green); color: var(--green); }
.toast.error { background: #3a1a1a; border: 1px solid var(--red); color: var(--red); }
.toast.info { background: #2a2218; border: 1px solid var(--gold); color: var(--gold); }

@keyframes slideInToast {
    from { transform: translateX(120%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}
@keyframes fadeOutToast {
    from { opacity: 1; }
    to { opacity: 0; transform: translateX(120%); }
}

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}
.badge-beklemede { background: rgba(243,156,18,0.15); color: var(--yellow); border: 1px solid rgba(243,156,18,0.3); }
.badge-onaylandi { background: rgba(46,204,113,0.15); color: var(--green); border: 1px solid rgba(46,204,113,0.3); }
.badge-reddedildi { background: rgba(231,76,60,0.15); color: var(--red); border: 1px solid rgba(231,76,60,0.3); }

.stat-card {
    background: linear-gradient(135deg, var(--surface), var(--surface2));
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 24px;
    transition: all 0.2s ease;
}
.stat-card:hover { border-color: var(--gold); box-shadow: 0 4px 20px rgba(174,147,73,0.15); }
.stat-card .stat-number { font-size: 2rem; font-weight: 800; color: var(--gold); line-height: 1; }
.stat-card .stat-label { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-muted); margin-top: 6px; }

.data-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.data-table th {
    background: rgba(174,147,73,0.1);
    border-bottom: 1px solid var(--border);
    padding: 12px 14px;
    text-align: left;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--gold);
    white-space: nowrap;
}
.data-table td {
    padding: 12px 14px;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    vertical-align: middle;
    color: var(--text);
}
.data-table tr:hover td { background: rgba(174,147,73,0.04); }
.data-table tr:last-child td { border-bottom: none; }

.tab-nav {
    display: flex;
    gap: 4px;
    background: var(--surface);
    padding: 6px;
    border-radius: 10px;
    margin-bottom: 24px;
}
.tab-btn {
    flex: 1;
    padding: 10px 20px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-family: 'Montserrat', sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: 7px;
    cursor: pointer;
    transition: all 0.2s ease;
}
.tab-btn.active { background: var(--gold); color: #1c1c1c; }
.tab-btn:not(.active):hover { color: var(--gold); }

.tab-content { display: none; }
.tab-content.active { display: block; }

.section-title {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}

.check-cell-green { background: rgba(46,204,113,0.15); color: var(--green); font-weight: 600; }
.check-cell-red { background: rgba(231,76,60,0.12); color: #ff6b6b; font-weight: 600; }
.check-cell-gray { color: var(--text-muted); font-size: 0.8rem; }

.loader {
    width: 18px; height: 18px;
    border: 2px solid rgba(174,147,73,0.3);
    border-top-color: var(--gold);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

.search-bar {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 16px;
    flex-wrap: wrap;
}
.search-bar .input-field { max-width: 280px; margin-bottom: 0; }

.custom-filter-group {
    display: inline-flex;
    background: var(--surface2);
    padding: 3px;
    border-radius: 8px;
    border: 1px solid var(--border);
    gap: 2px;
}
.filter-chip {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-family: 'Montserrat', sans-serif;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}
.filter-chip:hover { color: var(--text); }
.filter-chip.active {
    background: var(--gold);
    color: #1c1c1c;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(174,147,73,0.3);
}

.note-textarea {
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-family: 'Montserrat', sans-serif;
    font-size: 0.8rem;
    padding: 8px 10px;
    width: 100%;
    resize: vertical;
    min-height: 60px;
    outline: none;
    transition: border-color 0.2s;
}
.note-textarea:focus { border-color: var(--gold); }

.modal-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.75);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s ease;
}
.modal-overlay.open { opacity: 1; visibility: visible; }
.modal-box {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    width: 90%;
    max-width: 480px;
    transform: scale(0.9);
    transition: transform 0.25s ease;
}
.modal-overlay.open .modal-box { transform: scale(1); }
.modal-title { font-size: 0.9rem; font-weight: 700; color: var(--gold); margin-bottom: 18px; }

.detail-btn {
    background: rgba(174,147,73,0.15);
    color: var(--gold);
    border: 1px solid rgba(174,147,73,0.3);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    cursor: pointer;
    margin-left: 5px;
    vertical-align: middle;
    transition: all 0.2s ease;
}
.detail-btn:hover {
    background: var(--gold);
    color: #1c1c1c;
    transform: scale(1.1);
}

.upload-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--text-muted);
}
.upload-zone:hover, .upload-zone.dragging { border-color: var(--gold); color: var(--gold); background: rgba(174,147,73,0.05); }
.upload-zone i { font-size: 2.5rem; margin-bottom: 12px; display: block; }
.upload-zone .upload-label { font-size: 0.85rem; font-weight: 600; }
.upload-zone .upload-hint { font-size: 0.75rem; margin-top: 6px; }

.progress-bar { background: var(--surface2); border-radius: 4px; height: 6px; overflow: hidden; margin-top: 12px; }
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--gold-dark), var(--gold)); border-radius: 4px; transition: width 0.3s ease; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.fade-in { animation: fadeIn 0.35s ease; }

.admin-header {
    background: linear-gradient(90deg, var(--surface), var(--surface2));
    border-bottom: 1px solid var(--border);
    padding: 14px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-muted);
}
.empty-state i { font-size: 2.5rem; color: var(--gold-dark); margin-bottom: 12px; display: block; }
.empty-state p { font-size: 0.85rem; }