/* ─── Admin Layout ─── */
.admin-page {
    background: var(--bg);
    min-height: 100vh;
}

.admin-nav {
    background: var(--navy);
    display: flex;
    align-items: center;
    padding: 0 24px;
    height: 56px;
    gap: 32px;
}

.admin-logo {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -1px;
    color: var(--white);
    text-decoration: none;
}

.admin-logo span {
    font-weight: 400;
    color: var(--blue-muted);
    margin-left: 4px;
}

.admin-nav-links {
    display: flex;
    gap: 4px;
}

.nav-link {
    padding: 8px 16px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all 0.15s;
}

.nav-link:hover {
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
}

.nav-link.logout {
    margin-left: auto;
    color: rgba(255, 255, 255, 0.5);
}

.admin-main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 32px 24px;
}

.admin-main h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 24px;
}

/* ─── Stats Grid ─── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--navy);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

/* ─── Cards & Tables ─── */
.card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    margin-bottom: 24px;
}

.card h2 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 16px;
}

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

.data-table th {
    text-align: left;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    padding: 8px 12px;
    border-bottom: 2px solid var(--border);
}

.data-table td {
    padding: 10px 12px;
    font-size: 0.875rem;
    color: var(--text);
    border-bottom: 1px solid var(--border-light);
}

.data-table td a {
    color: var(--blue);
    text-decoration: none;
}

.data-table td a:hover {
    text-decoration: underline;
}

/* ─── Buttons ─── */
.btn {
    display: inline-flex;
    align-items: center;
    padding: 10px 20px;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--white);
    color: var(--text);
    cursor: pointer;
    text-decoration: none;
    transition: all 0.15s;
}

.btn:hover {
    background: var(--bg);
}

.btn-primary {
    background: var(--blue);
    border-color: var(--blue);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--blue-hover);
}

.btn-sm {
    padding: 4px 12px;
    font-size: 0.75rem;
}

.btn-success {
    background: var(--green);
    border-color: var(--green);
    color: var(--white);
}

.btn-danger {
    background: #dc2626;
    border-color: #dc2626;
    color: var(--white);
}

/* ─── Filter Bar ─── */
.filter-bar {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
}

.filter-btn {
    padding: 8px 16px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 60px;
    text-decoration: none;
    transition: all 0.15s;
}

.filter-btn:hover {
    border-color: var(--blue);
    color: var(--blue);
}

.filter-btn.active {
    background: var(--blue);
    border-color: var(--blue);
    color: var(--white);
}

/* ─── Badges ─── */
.badge {
    display: inline-block;
    padding: 2px 8px;
    font-size: 0.6875rem;
    font-weight: 500;
    border-radius: 4px;
    text-transform: uppercase;
}

.badge-approved {
    background: #dcfce7;
    color: #166534;
}

.badge-rejected {
    background: #fee2e2;
    color: #991b1b;
}

.badge-pending {
    background: #fef3c7;
    color: #92400e;
}

/* ─── Forms ─── */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    font-size: 0.9375rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--white);
    color: var(--text);
    transition: border-color 0.15s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* ─── Alerts ─── */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    margin-bottom: 20px;
}

.alert-success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

/* ─── Login ─── */
.admin-login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: var(--navy);
}

.login-container {
    text-align: center;
    width: 100%;
    max-width: 400px;
    padding: 0 24px;
}

.login-logo {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -2px;
    color: var(--white);
    margin-bottom: 4px;
}

.login-subtitle {
    color: var(--blue-muted);
    margin-bottom: 32px;
}

.login-form {
    background: var(--white);
    padding: 24px;
    border-radius: var(--radius);
    text-align: left;
}

.login-form .btn {
    width: 100%;
    justify-content: center;
    margin-top: 8px;
}

.login-help {
    margin-top: 16px;
}

.login-help a {
    color: var(--blue-muted);
    font-size: 0.8125rem;
    text-decoration: none;
}

.login-help a:hover {
    color: var(--white);
}

/* ─── Submit Page ─── */
.submit-container {
    max-width: 600px;
    margin: 48px auto;
    padding: 0 24px;
}

.submit-container h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 8px;
}

.submit-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.submit-form .btn {
    margin-top: 8px;
}

/* ─── Misc ─── */
.empty-state {
    text-align: center;
    color: var(--text-muted);
    padding: 48px 0;
}

.pagination-admin {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 20px;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ─── Deployment Guide ─── */
.guide-subtitle {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    margin-top: -16px;
}

.guide-toc .toc-list {
    padding-left: 20px;
    columns: 2;
    column-gap: 32px;
}

.guide-toc .toc-list li {
    padding: 4px 0;
    font-size: 0.875rem;
    break-inside: avoid;
}

.guide-toc .toc-list a {
    color: var(--blue);
    text-decoration: none;
}

.guide-toc .toc-list a:hover {
    text-decoration: underline;
}

.guide-note {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    background: var(--blue-light);
    border-left: 3px solid var(--blue);
    padding: 10px 14px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin: 12px 0;
    line-height: 1.6;
}

.guide-list {
    padding-left: 20px;
    margin: 8px 0;
}

.guide-list li {
    font-size: 0.875rem;
    padding: 3px 0;
    color: var(--text);
    line-height: 1.6;
}

.code-block {
    margin: 12px 0;
}

.code-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.code-block pre {
    background: var(--navy);
    color: #e2e8f0;
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    overflow-x: auto;
    font-size: 0.8125rem;
    line-height: 1.7;
}

.code-block code {
    font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', Consolas, monospace;
}

.card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--navy);
    margin: 20px 0 8px;
}

.card h3:first-of-type {
    margin-top: 8px;
}

.card p {
    font-size: 0.875rem;
    color: var(--text);
    line-height: 1.6;
    margin: 8px 0;
}

.card p code,
.card td code,
.card li code,
.guide-note code {
    background: var(--border-light);
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 0.8125rem;
    font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', Consolas, monospace;
    color: var(--navy);
}

@media (max-width: 768px) {
    .guide-toc .toc-list {
        columns: 1;
    }
}