:root {
    --primary: #6366f1;
    --primary-dark: #4338ca;
    --success: #16a34a;
    --danger: #dc2626;
    --info: #0ea5e9;
    --muted: #6b7280;
    --card: #ffffff;
    --bg: #f3f4ff;
    --shadow: 0 20px 45px rgba(15, 23, 42, 0.12);
}

body {
    background: #f8fafc;
    font-family: "Inter", "Segoe UI", sans-serif;
    color: #0f172a;
}

.premium-body {
    min-height: 100vh;
    background: radial-gradient(circle at top, rgba(30, 64, 175, 0.18), transparent 60%),
        radial-gradient(circle at 20% 20%, rgba(14, 116, 144, 0.16), transparent 45%),
        linear-gradient(135deg, #eef2ff 0%, #f8fafc 45%, #ecfeff 100%);
}

.container {
    max-width: 1120px;
    margin: 40px auto;
}

.premium-container {
    padding: 0 16px;
}

.form-card,
.detail-card,
.table-wrapper,
.empty-state,
.admin-main {
    background: var(--card);
    border-radius: 16px;
    padding: 28px;
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.1);
    border: 1px solid rgba(148, 163, 184, 0.2);
}

.form-card.narrow {
    max-width: 420px;
}

.premium-card {
    position: relative;
    overflow: hidden;
}

.premium-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top right, rgba(99, 102, 241, 0.1), transparent 45%);
    pointer-events: none;
}

.form-card > * {
    position: relative;
    z-index: 1;
}

.page-hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 28px;
    padding: 28px 32px;
    border-radius: 24px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.12), rgba(14, 165, 233, 0.12));
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.page-hero h1 {
    margin-bottom: 8px;
}

.hero-content p {
    color: #475569;
    margin: 0;
}

.pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary-dark);
    padding: 6px 14px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 13px;
    margin-bottom: 12px;
}

.hero-stats {
    display: grid;
    gap: 12px;
    min-width: 220px;
}

.hero-stats div {
    background: rgba(255, 255, 255, 0.7);
    border-radius: 16px;
    padding: 12px 16px;
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.08);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.hero-stats strong {
    font-size: 18px;
}

.grid {
    display: grid;
    gap: 18px;
}

.grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field label {
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 6px;
    display: inline-block;
}

.field input,
.field select,
.field textarea {
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    padding: 10px 12px;
    background: #fff;
    box-shadow: inset 0 1px 2px rgba(15, 23, 42, 0.04);
    color: #1f2937;
}

.field input::placeholder,
.field textarea::placeholder {
    color: #9ca3af;
}

.field input:disabled,
.field select:disabled {
    background: #f8fafc;
    color: #94a3b8;
    cursor: not-allowed;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
    border-color: rgba(99, 102, 241, 0.6);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
    outline: none;
}

.autocomplete-control {
    position: relative;
}

.autocomplete-input {
    width: 100%;
}

.autocomplete-dropdown {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    background: #fff;
    border-radius: 12px;
    border: 1px solid rgba(148, 163, 184, 0.35);
    box-shadow: 0 18px 32px rgba(15, 23, 42, 0.14);
    padding: 6px;
    max-height: 220px;
    overflow-y: auto;
    opacity: 0;
    transform: translateY(-4px);
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
    z-index: 10;
}

.autocomplete-dropdown.is-open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.autocomplete-option {
    padding: 8px 10px;
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    color: #1f2937;
}

.autocomplete-option.is-active,
.autocomplete-option:hover {
    background: rgba(99, 102, 241, 0.12);
}

.field-error {
    color: var(--danger);
}

.form-actions {
    margin-top: 16px;
}

.btn {
    padding: 12px 18px;
    border-radius: 12px;
    font-weight: 600;
    transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
}

.btn.primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border: none;
    box-shadow: 0 12px 24px rgba(99, 102, 241, 0.28);
}

.btn.primary:hover {
    filter: brightness(1.05);
    box-shadow: 0 14px 28px rgba(99, 102, 241, 0.32);
}

.btn.primary:active {
    transform: translateY(1px);
}

.btn.success {
    background: var(--success);
    color: #fff;
}

.btn.danger {
    background: var(--danger);
    color: #fff;
}

.btn.link {
    background: transparent;
    color: var(--primary);
}

.admin-body {
    background: #f8fafc;
}

.admin-header {
    background: linear-gradient(120deg, #111827, #1e293b);
    color: #fff;
    padding: 16px 0;
}

.admin-container {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 24px;
    max-width: 1200px;
    margin: 24px auto;
}

.admin-nav {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.admin-nav .nav-link {
    padding: 12px 16px;
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
    color: #111827;
    text-decoration: none;
    font-weight: 600;
}

.admin-main {
    min-height: 400px;
}

.tabs {
    display: inline-flex;
    gap: 12px;
    margin-bottom: 20px;
}

.tab {
    padding: 8px 16px;
    border-radius: 999px;
    background: #e2e8f0;
    text-decoration: none;
    color: #111827;
    font-weight: 600;
}

.tab.active {
    background: var(--primary);
    color: #fff;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table tbody tr:hover {
    background: #f8fafc;
}

.table th,
.table td {
    padding: 12px 10px;
    text-align: left;
}

.table thead {
    background: #f8fafc;
}

.badge {
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    color: #fff;
}

.badge-yeni {
    background: var(--info);
}

.badge-onaylanan {
    background: var(--success);
}

.badge-red {
    background: var(--danger);
}

.empty-state {
    text-align: center;
    padding: 48px;
}

.detail-card {
    display: grid;
    gap: 12px;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    border-bottom: 1px solid #e5e7eb;
    padding-bottom: 8px;
}

.detail-actions {
    margin-top: 24px;
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.inline-form {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.alert.warning {
    background: #fef3c7;
    border-radius: 12px;
    padding: 12px;
    color: #92400e;
}

.text-muted {
    color: var(--muted);
    margin-left: 6px;
    font-size: 14px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

@media (max-width: 900px) {
    .page-hero {
        flex-direction: column;
        align-items: flex-start;
    }

    .hero-stats {
        width: 100%;
        grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    }

    .grid-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .admin-container {
        grid-template-columns: 1fr;
        padding: 0 16px;
    }
}

@media (max-width: 720px) {
    .container {
        margin: 24px auto;
    }

    .form-card,
    .page-hero {
        padding: 20px;
    }

    .grid-2 {
        grid-template-columns: 1fr;
    }

    .form-actions .btn {
        width: 100%;
    }
}