/* ============================================================
   Workshop Admin CSS
   Accent: #6C63FF (purple)
   Uses dark theme by default
   ============================================================ */

:root {
    --admin-bg:          #0F0F13;
    --admin-surface:     #1A1A23;
    --admin-surface-2:   #22222E;
    --admin-border:      rgba(255,255,255,0.08);
    --admin-text:        #E8E8F0;
    --admin-text-muted:  rgba(232,232,240,0.45);
    --admin-text-invert: #0F0F13;
    --admin-accent:      #6C63FF;
    --admin-accent-hover:#7C73FF;
    --admin-danger:      #E63946;
    --admin-success:     #2A9D8F;
    --admin-warning:     #F4A261;
    --admin-info:        #457B9D;
    --admin-sidebar-w:   240px;
    --font-sans:         'Inter', system-ui, sans-serif;
    --font-mono:         'JetBrains Mono', 'Courier New', monospace;
    --radius-sm:         4px;
    --radius-md:         8px;
    --radius-lg:         12px;
    --transition:        0.18s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }
body {
    font-family: var(--font-sans);
    background: var(--admin-bg);
    color: var(--admin-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--admin-accent); text-decoration: none; }
a:hover { color: var(--admin-accent-hover); }

/* ── Shell layout ─────────────────────────────────────────── */
.admin-shell {
    display: flex;
    min-height: 100vh;
}

/* ── Sidebar ─────────────────────────────────────────────── */
.admin-sidebar {
    width: var(--admin-sidebar-w);
    background: var(--admin-surface);
    border-right: 1px solid var(--admin-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
    overflow-y: auto;
    transition: transform var(--transition);
}
.admin-sidebar-brand {
    padding: 1.25rem 1.25rem 0.75rem;
    border-bottom: 1px solid var(--admin-border);
}
.admin-logo {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--admin-text);
    letter-spacing: -0.01em;
}
.admin-logo:hover { color: var(--admin-text); }
.admin-logo-icon { font-size: 1.25rem; }
.admin-nav { flex: 1; padding: 0.75rem 0.625rem; }
.admin-nav ul { list-style: none; display: flex; flex-direction: column; gap: 2px; }
.admin-nav-link {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.55rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--admin-text-muted);
    transition: all var(--transition);
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}
.admin-nav-link:hover,
.admin-nav-link.is-active {
    background: rgba(108,99,255,0.12);
    color: var(--admin-text);
}
.admin-nav-link.is-active { color: var(--admin-accent); }
.admin-nav-link--danger:hover { background: rgba(230,57,70,0.12); color: var(--admin-danger); }
.admin-nav-icon { width: 20px; text-align: center; font-size: 1rem; flex-shrink: 0; }
.admin-sidebar-footer { padding: 0.75rem 0.625rem; border-top: 1px solid var(--admin-border); display: flex; flex-direction: column; gap: 2px; }

/* ── Main ────────────────────────────────────────────────── */
.admin-main {
    margin-left: var(--admin-sidebar-w);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
.admin-topbar {
    background: var(--admin-surface);
    border-bottom: 1px solid var(--admin-border);
    padding: 0 1.5rem;
    height: 56px;
    display: flex;
    align-items: center;
    gap: 1rem;
    position: sticky;
    top: 0;
    z-index: 50;
}
.admin-sidebar-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--admin-text-muted);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--radius-sm);
}
.admin-sidebar-toggle:hover { color: var(--admin-text); }
.admin-page-title {
    font-size: 1rem;
    font-weight: 600;
    flex: 1;
    color: var(--admin-text);
}
.admin-topbar-user { font-size: 0.8rem; color: var(--admin-text-muted); }
.admin-content { padding: 2rem 1.5rem; flex: 1; }

/* ── Cards ───────────────────────────────────────────────── */
.admin-card {
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}
.admin-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}
.admin-card-header h2 { font-size: 0.9rem; font-weight: 600; color: var(--admin-text); }
.admin-card-header a  { font-size: 0.8rem; color: var(--admin-accent); }
.admin-card-subtitle  { font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--admin-text-muted); margin-bottom: 1rem; }

/* ── Stat cards ─────────────────────────────────────────── */
.admin-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}
.admin-stat-card {
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-top: 3px solid var(--card-accent, var(--admin-accent));
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    transition: border-color var(--transition), background var(--transition);
}
.admin-stat-card:hover { background: var(--admin-surface-2); border-color: var(--card-accent); }
.admin-stat-icon  { font-size: 1.5rem; line-height: 1; }
.admin-stat-value { font-size: 2rem; font-weight: 700; line-height: 1; color: var(--admin-text); }
.admin-stat-label { font-size: 0.75rem; color: var(--admin-text-muted); }

/* ── Tables ─────────────────────────────────────────────── */
.admin-table {
    border-collapse: collapse;
    font-size: 0.875rem;
    width: 100%;
}
.admin-table--full { table-layout: auto; }
.admin-table th {
    padding: 0.625rem 0.875rem;
    text-align: left;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--admin-text-muted);
    border-bottom: 1px solid var(--admin-border);
    white-space: nowrap;
}
.admin-table td {
    padding: 0.75rem 0.875rem;
    border-bottom: 1px solid var(--admin-border);
    vertical-align: middle;
}
.admin-table tbody tr:hover { background: rgba(255,255,255,0.02); }
.admin-table tbody tr:last-child td { border-bottom: none; }

/* ── Badges ─────────────────────────────────────────────── */
.badge {
    display: inline-block;
    padding: 0.2em 0.65em;
    border-radius: 999px;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.badge--published  { background: rgba(42,157,143,0.15); color: #2A9D8F; }
.badge--draft      { background: rgba(244,162,97,0.15);  color: #F4A261; }
.badge--scheduled  { background: rgba(69,123,157,0.15);  color: #457B9D; }
.badge--archived   { background: rgba(255,255,255,0.07); color: var(--admin-text-muted); }
.badge--featured   { background: rgba(108,99,255,0.2);   color: var(--admin-accent); }

/* ── Buttons ─────────────────────────────────────────────── */
.btn-admin {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.55rem 1.1rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    white-space: nowrap;
    line-height: 1;
}
.btn-admin--primary  { background: var(--admin-accent); color: #fff; }
.btn-admin--primary:hover { background: var(--admin-accent-hover); color: #fff; }
.btn-admin--secondary { background: var(--admin-surface-2); color: var(--admin-text); border: 1px solid var(--admin-border); }
.btn-admin--secondary:hover { border-color: var(--admin-accent); color: var(--admin-accent); }
.btn-admin--ghost   { background: transparent; color: var(--admin-text-muted); border: 1px solid var(--admin-border); }
.btn-admin--ghost:hover { color: var(--admin-text); border-color: rgba(255,255,255,0.2); }
.btn-admin--danger  { background: rgba(230,57,70,0.12); color: var(--admin-danger); border: 1px solid rgba(230,57,70,0.2); }
.btn-admin--danger:hover { background: var(--admin-danger); color: #fff; }
.btn-admin--sm      { padding: 0.35rem 0.75rem; font-size: 0.75rem; }

/* ── Forms ───────────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 0.375rem; margin-bottom: 1rem; }
.form-group:last-child { margin-bottom: 0; }
.form-group label { font-size: 0.8rem; font-weight: 600; color: var(--admin-text-muted); }
.admin-input,
.admin-select,
.admin-textarea {
    background: var(--admin-bg);
    border: 1px solid var(--admin-border);
    border-radius: var(--radius-md);
    color: var(--admin-text);
    font-family: var(--font-sans);
    font-size: 0.875rem;
    padding: 0.6rem 0.875rem;
    transition: border-color var(--transition);
    width: 100%;
}
.admin-input--lg { font-size: 1.125rem; padding: 0.75rem 1rem; }
.admin-input:focus, .admin-select:focus, .admin-textarea:focus {
    outline: none;
    border-color: var(--admin-accent);
    box-shadow: 0 0 0 3px rgba(108,99,255,0.15);
}
.admin-textarea { resize: vertical; line-height: 1.6; }
.admin-editor   { resize: vertical; font-family: var(--font-mono); font-size: 0.8rem; line-height: 1.7; }
.admin-hint     { font-size: 0.7rem; color: var(--admin-text-muted); margin-top: 0.25rem; }
.admin-select   { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 0.875rem center; padding-right: 2.5rem; }

/* ── Alerts ─────────────────────────────────────────────── */
.admin-alert {
    padding: 0.875rem 1.125rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}
.admin-alert--success { background: rgba(42,157,143,0.12); border: 1px solid rgba(42,157,143,0.3); color: #2A9D8F; }
.admin-alert--error   { background: rgba(230,57,70,0.1);   border: 1px solid rgba(230,57,70,0.3);  color: var(--admin-danger); }
.admin-alert--warning { background: rgba(244,162,97,0.1);  border: 1px solid rgba(244,162,97,0.3); color: var(--admin-warning); }

/* ── Toolbar ────────────────────────────────────────────── */
.admin-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.25rem;
    font-size: 0.875rem;
    color: var(--admin-text-muted);
}
.admin-section-header { margin-bottom: 0.75rem; }
.admin-section-header h2 { font-size: 0.875rem; font-weight: 600; color: var(--admin-text); }

/* ── Tabs ───────────────────────────────────────────────── */
.admin-tab {
    padding: 0.35rem 0.875rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--admin-text-muted);
    text-decoration: none;
    transition: all var(--transition);
    background: transparent;
}
.admin-tab:hover, .admin-tab.is-active {
    background: rgba(108,99,255,0.15);
    color: var(--admin-accent);
}

/* ── Pagination ─────────────────────────────────────────── */
.admin-pagination {
    display: flex;
    align-items: center;
    gap: 1rem;
    justify-content: center;
    margin-top: 1.5rem;
    font-size: 0.875rem;
    color: var(--admin-text-muted);
}

/* ── Empty state ────────────────────────────────────────── */
.admin-empty {
    text-align: center;
    padding: 2.5rem;
    color: var(--admin-text-muted);
    font-size: 0.875rem;
}

/* ── Post form layout ───────────────────────────────────── */
.admin-post-form { }
.admin-post-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 1.5rem;
    align-items: start;
}
.admin-post-sidebar .admin-card { margin-bottom: 1rem; }
.admin-post-sidebar .admin-card:last-child { margin-bottom: 0; }

/* ── Media grid ─────────────────────────────────────────── */
.admin-media-item { }
.admin-media-copy { font-size: 0.7rem; color: var(--admin-text-muted); text-align: center; margin-top: 0.4rem; }

/* ── Login page ─────────────────────────────────────────── */
.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-shell { width: 100%; max-width: 400px; padding: 1rem; }
.login-card  { background: var(--admin-surface); border: 1px solid var(--admin-border); border-radius: var(--radius-lg); padding: 2.5rem 2rem; }
.login-brand { text-align: center; margin-bottom: 2rem; }
.login-brand .admin-logo-icon { font-size: 2.5rem; display: block; margin-bottom: 0.5rem; }
.login-brand h1 { font-size: 1.5rem; font-weight: 700; margin-bottom: 0.25rem; }
.login-brand p  { font-size: 0.875rem; color: var(--admin-text-muted); }
.login-form { display: flex; flex-direction: column; gap: 1rem; }
.login-form label { display: block; font-size: 0.8rem; font-weight: 600; color: var(--admin-text-muted); margin-bottom: 0.375rem; }
.login-form input { width: 100%; }
.btn-login {
    background: var(--admin-accent);
    color: #fff;
    border: none;
    border-radius: var(--radius-md);
    padding: 0.75rem;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition);
    width: 100%;
    margin-top: 0.5rem;
}
.btn-login:hover { background: var(--admin-accent-hover); }

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 900px) {
    .admin-sidebar {
        transform: translateX(-100%);
    }
    .admin-sidebar.is-open {
        transform: translateX(0);
    }
    .admin-main { margin-left: 0; }
    .admin-sidebar-toggle { display: flex; }
    .admin-post-layout { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
    .admin-content { padding: 1.25rem 1rem; }
    .admin-stats-grid { grid-template-columns: 1fr 1fr; }
}

/* ── Checkboxes ─────────────────────────────────────────── */
.bulk-checkbox {
    appearance: none;
    width: 18px;
    height: 18px;
    border: 1.5px solid var(--admin-border);
    border-radius: var(--radius-sm);
    background: var(--admin-bg);
    cursor: pointer;
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.bulk-checkbox:hover {
    border-color: var(--admin-accent);
}
.bulk-checkbox:checked {
    background: var(--admin-accent);
    border-color: var(--admin-accent);
}
.bulk-checkbox:checked::after {
    content: '✓';
    color: #fff;
    font-size: 12px;
    font-weight: 700;
}
.admin-table tbody tr:has(.post-checkbox:checked) {
    background: rgba(108, 99, 255, 0.08);
}

/* ── Bulk Actions Overlay Bar ──────────────────────────── */
.bulk-actions-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--admin-surface);
    border-top: 1px solid var(--admin-border);
    box-shadow: 0 -2px 16px rgba(0, 0, 0, 0.4);
    z-index: 200;
    animation: slideUp 0.2s ease;
}

@keyframes slideUp {
    from { transform: translateY(100%); opacity: 0; }
    to   { transform: translateY(0);   opacity: 1; }
}

.bulk-actions-bar[hidden] {
    display: none !important;
}

.bulk-actions-inner {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.bulk-actions-count {
    font-size: 0.875rem;
    color: var(--admin-text-muted);
    flex-shrink: 0;
    min-width: fit-content;
}

.bulk-actions-count strong {
    color: var(--admin-accent);
    font-weight: 700;
}

.bulk-actions-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
    flex-wrap: wrap;
}

.bulk-action-control {
    flex: 0 0 auto;
}

.bulk-action-control select {
    font-size: 0.8rem !important;
}

#bulk-export,
#bulk-delete,
#bulk-close {
    flex: 0 0 auto;
    display: inline-flex;
}

#bulk-export {
    color: var(--admin-text-muted);
}
#bulk-export:hover {
    color: var(--admin-accent);
    border-color: var(--admin-accent);
}

/* ── Responsive bulk bar ──────────────────────────────── */
@media (max-width: 900px) {
    .bulk-actions-inner {
        padding: 0.875rem 1rem;
        gap: 0.5rem;
    }
    
    .bulk-actions-group {
        gap: 0.5rem;
    }

    .bulk-action-control select {
        max-width: 140px;
        font-size: 0.75rem !important;
        padding: 0.45rem 0.6rem !important;
    }

    .btn-admin--sm {
        padding: 0.3rem 0.6rem;
        font-size: 0.7rem;
    }
}

@media (max-width: 600px) {
    .bulk-actions-bar {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        max-height: 40vh;
        overflow-y: auto;
    }

    .bulk-actions-inner {
        flex-direction: column;
        align-items: stretch;
        padding: 0.75rem;
    }

    .bulk-actions-group {
        flex-direction: column;
    }

    .bulk-action-control {
        width: 100%;
    }

    .bulk-action-control select {
        width: 100% !important;
    }

    #bulk-export,
    #bulk-delete,
    #bulk-close {
        width: 100%;
        justify-content: center;
    }

    #bulk-close {
        margin-left: 0 !important;
    }
}