/* ============================================================================
   TchiDev CMS — Admin Panel Styles
   Reuses the public site's token language (signal blue / ink / teal) but in
   a denser, utility-first admin layout: fixed sidebar + content area.
   ============================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
    --a-ink: #0B1220;
    --a-canvas: #F5F6F9;
    --a-surface: #FFFFFF;
    --a-primary: #0A66FF;
    --a-primary-dim: #E8F0FF;
    --a-accent: #00D4B4;
    --a-border: #E3E7EE;
    --a-text: #0B1220;
    --a-text-muted: #5B6472;
    --a-text-faint: #8A93A3;
    --a-danger: #DC2626;
    --a-danger-dim: #FEF2F2;
    --a-success: #059669;
    --a-success-dim: #ECFDF5;
    --a-warning: #D97706;
    --a-warning-dim: #FFFBEB;

    --a-font-display: 'Space Grotesk', sans-serif;
    --a-font-body: 'Inter', sans-serif;
    --a-font-mono: 'IBM Plex Mono', monospace;

    --a-radius-sm: 8px;
    --a-radius-md: 12px;
    --a-radius-lg: 18px;
    --a-shadow-sm: 0 1px 2px rgba(11,18,32,0.05);
    --a-shadow-md: 0 8px 24px rgba(11,18,32,0.08);
    --a-transition: 180ms ease;
    --a-sidebar-width: 248px;
}

[data-theme="dark"] {
    --a-ink: #EDEFF3;
    --a-canvas: #0A0E17;
    --a-surface: #10151F;
    --a-primary: #2E7EFF;
    --a-primary-dim: rgba(46,126,255,0.14);
    --a-accent: #12E8C6;
    --a-border: #1D2531;
    --a-text: #EDEFF3;
    --a-text-muted: #96A0B2;
    --a-text-faint: #5C6779;
    --a-danger-dim: rgba(220,38,38,0.12);
    --a-success-dim: rgba(5,150,105,0.14);
    --a-warning-dim: rgba(217,119,6,0.14);
    --a-shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --a-shadow-md: 0 8px 24px rgba(0,0,0,0.4);
}

* { box-sizing: border-box; }
body.admin-body {
    margin: 0;
    font-family: var(--a-font-body);
    background: var(--a-canvas);
    color: var(--a-text);
    -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { font-family: var(--a-font-display); font-weight: 600; margin: 0 0 0.4em; color: var(--a-text); letter-spacing: -0.01em; }
h1 { font-size: 1.7rem; }
h2 { font-size: 1.25rem; }
p { color: var(--a-text-muted); margin: 0 0 1em; line-height: 1.6; }
a { color: var(--a-primary); text-decoration: none; }

/* ---- Shell layout ---- */
.admin-shell { display: flex; min-height: 100vh; }
.admin-sidebar {
    width: var(--a-sidebar-width);
    flex-shrink: 0;
    background: var(--a-ink);
    color: rgba(255,255,255,0.75);
    padding: 22px 16px;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}
[data-theme="dark"] .admin-sidebar { background: #05070C; }
.admin-logo {
    font-family: var(--a-font-display); font-weight: 700; color: #fff;
    font-size: 1.1rem; padding: 8px 12px 22px; display: flex; align-items: center; gap: 8px;
}
.admin-logo::before {
    content: 'T'; width: 26px; height: 26px; border-radius: 7px;
    background: linear-gradient(135deg, #0A66FF, #0047C4);
    display: flex; align-items: center; justify-content: center; font-size: 0.85rem;
}
.admin-nav-group { margin-bottom: 18px; }
.admin-nav-label {
    font-family: var(--a-font-mono); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.08em;
    color: rgba(255,255,255,0.35); padding: 0 12px; margin-bottom: 6px; display: block;
}
.admin-sidebar nav a {
    display: flex; align-items: center; gap: 10px;
    padding: 9px 12px; border-radius: var(--a-radius-sm);
    color: rgba(255,255,255,0.7); font-size: 0.88rem; font-weight: 500;
    transition: background var(--a-transition), color var(--a-transition);
    margin-bottom: 2px;
}
.admin-sidebar nav a:hover { background: rgba(255,255,255,0.06); color: #fff; }
.admin-sidebar nav a.is-active { background: var(--a-primary); color: #fff; }
.admin-sidebar nav a .icon { width: 16px; text-align: center; opacity: 0.9; }

.admin-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.admin-topbar {
    height: 64px; flex-shrink: 0;
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 28px; background: var(--a-surface); border-bottom: 1px solid var(--a-border);
    position: sticky; top: 0; z-index: 10;
}
.admin-topbar-left { display: flex; align-items: center; gap: 14px; }
.admin-topbar .user-chip { display: flex; align-items: center; gap: 10px; font-size: 0.85rem; }
.admin-topbar .user-avatar {
    width: 32px; height: 32px; border-radius: 50%;
    background: linear-gradient(135deg, #0A66FF, #0047C4);
    color: #fff; display: flex; align-items: center; justify-content: center;
    font-family: var(--a-font-display); font-weight: 600; font-size: 0.8rem;
}
.admin-topbar button.link-btn {
    background: none; border: none; color: var(--a-text-muted); cursor: pointer;
    font-family: var(--a-font-body); font-size: 0.85rem;
}
.admin-topbar button.link-btn:hover { color: var(--a-danger); }

.admin-content { padding: 28px; flex: 1; }

.admin-page-head {
    display: flex; justify-content: space-between; align-items: flex-start;
    margin-bottom: 24px; gap: 16px; flex-wrap: wrap;
}
.admin-page-head p { margin: 4px 0 0; }
.admin-breadcrumb {
    font-family: var(--a-font-mono); font-size: 0.75rem; color: var(--a-text-faint);
    margin-bottom: 6px;
}
.admin-breadcrumb a { color: var(--a-text-faint); }
.admin-breadcrumb a:hover { color: var(--a-primary); }

/* ---- Buttons ---- */
.a-btn {
    display: inline-flex; align-items: center; gap: 7px;
    font-family: var(--a-font-body); font-weight: 600; font-size: 0.86rem;
    padding: 10px 18px; border-radius: var(--a-radius-sm);
    border: 1px solid transparent; cursor: pointer;
    transition: background var(--a-transition), border-color var(--a-transition), transform var(--a-transition);
    text-decoration: none;
}
.a-btn:active { transform: scale(0.97); }
.a-btn-primary { background: var(--a-primary); color: #fff; }
.a-btn-primary:hover { background: #0850CC; }
.a-btn-ghost { background: var(--a-surface); color: var(--a-text); border-color: var(--a-border); }
.a-btn-ghost:hover { border-color: var(--a-primary); color: var(--a-primary); }
.a-btn-danger { background: var(--a-danger-dim); color: var(--a-danger); }
.a-btn-danger:hover { background: var(--a-danger); color: #fff; }
.a-btn-sm { padding: 6px 12px; font-size: 0.78rem; }

/* ---- Cards / stat cards ---- */
.stat-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin-bottom: 32px; }
.stat-card {
    background: var(--a-surface); border: 1px solid var(--a-border); border-radius: var(--a-radius-md);
    padding: 20px; display: flex; flex-direction: column; gap: 4px;
}
.stat-value { font-family: var(--a-font-display); font-size: 1.7rem; font-weight: 700; }
.stat-label { font-family: var(--a-font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--a-text-faint); }

.a-card {
    background: var(--a-surface); border: 1px solid var(--a-border); border-radius: var(--a-radius-md);
    padding: 24px; margin-bottom: 20px;
}

/* ---- Data table ---- */
.a-table-wrap { background: var(--a-surface); border: 1px solid var(--a-border); border-radius: var(--a-radius-md); overflow: hidden; }
.a-table { width: 100%; border-collapse: collapse; }
.a-table th {
    text-align: left; font-family: var(--a-font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em;
    color: var(--a-text-faint); padding: 12px 20px; border-bottom: 1px solid var(--a-border); background: var(--a-canvas);
}
.a-table td { padding: 14px 20px; border-bottom: 1px solid var(--a-border); font-size: 0.88rem; vertical-align: middle; }
.a-table tr:last-child td { border-bottom: none; }
.a-table tr:hover td { background: var(--a-canvas); }
.a-table .row-actions { display: flex; gap: 8px; justify-content: flex-end; }
.a-table-empty { padding: 48px 20px; text-align: center; color: var(--a-text-faint); }

.a-badge {
    display: inline-flex; align-items: center; gap: 5px;
    font-family: var(--a-font-mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.04em;
    padding: 3px 10px; border-radius: 999px;
}
.a-badge-published, .a-badge-active, .a-badge-open { background: var(--a-success-dim); color: var(--a-success); }
.a-badge-draft, .a-badge-inactive { background: var(--a-warning-dim); color: var(--a-warning); }
.a-badge-archived, .a-badge-closed, .a-badge-suspended { background: var(--a-danger-dim); color: var(--a-danger); }
.a-badge-unread { background: var(--a-primary-dim); color: var(--a-primary); }

/* ---- Forms ---- */
.a-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.a-form-group { margin-bottom: 18px; }
.a-form-group.full { grid-column: 1 / -1; }
.a-form-group label { display: block; font-size: 0.84rem; font-weight: 600; margin-bottom: 7px; color: var(--a-text); }
.a-form-group .hint { font-size: 0.78rem; color: var(--a-text-faint); margin-top: 5px; }
.a-form-group input[type="text"], .a-form-group input[type="email"], .a-form-group input[type="number"],
.a-form-group input[type="password"], .a-form-group input[type="date"], .a-form-group input[type="url"],
.a-form-group textarea, .a-form-group select {
    width: 100%; padding: 10px 14px; border-radius: var(--a-radius-sm);
    border: 1px solid var(--a-border); background: var(--a-canvas); color: var(--a-text);
    font-family: var(--a-font-body); font-size: 0.88rem;
    transition: border-color var(--a-transition);
}
.a-form-group input:focus, .a-form-group textarea:focus, .a-form-group select:focus { outline: none; border-color: var(--a-primary); }
.a-form-group textarea { min-height: 110px; resize: vertical; }
.a-form-group textarea.rich { min-height: 220px; }
.a-checkbox { display: flex; align-items: center; gap: 8px; font-size: 0.86rem; font-weight: 500; }
.a-checkbox input { width: auto; }

.a-form-actions { display: flex; gap: 10px; margin-top: 8px; padding-top: 20px; border-top: 1px solid var(--a-border); }

.a-tag-input-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.a-tag { background: var(--a-primary-dim); color: var(--a-primary); font-size: 0.78rem; padding: 4px 10px; border-radius: 999px; }

/* ---- Alerts ---- */
.a-alert { padding: 13px 18px; border-radius: var(--a-radius-sm); font-size: 0.87rem; margin-bottom: 20px; }
.a-alert-success { background: var(--a-success-dim); color: var(--a-success); }
.a-alert-error { background: var(--a-danger-dim); color: var(--a-danger); }

/* ---- Filters bar ---- */
.a-filters { display: flex; gap: 10px; margin-bottom: 18px; flex-wrap: wrap; align-items: center; }
.a-filters input[type="search"], .a-filters select {
    padding: 9px 14px; border-radius: var(--a-radius-sm); border: 1px solid var(--a-border);
    background: var(--a-surface); font-size: 0.85rem; font-family: var(--a-font-body);
}
.a-filters-spacer { flex: 1; }

/* ---- Login screen ---- */
body.login-body {
    margin: 0; font-family: var(--a-font-body);
    background: var(--a-ink); min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    background-image: radial-gradient(circle at 20% 20%, rgba(10,102,255,0.18), transparent 45%), radial-gradient(circle at 80% 80%, rgba(0,212,180,0.12), transparent 45%);
}
.login-card {
    background: rgba(16,21,31,0.9); backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--a-radius-lg); padding: 44px; width: 380px; max-width: 90vw;
    box-shadow: var(--a-shadow-md);
}
.login-card h1 { color: #fff; font-size: 1.4rem; margin-bottom: 24px; text-align: center; }
.login-card label { color: rgba(255,255,255,0.8); display: block; font-size: 0.84rem; font-weight: 600; margin-bottom: 7px; }
.login-card input {
    width: 100%; padding: 12px 14px; border-radius: var(--a-radius-sm);
    border: 1px solid rgba(255,255,255,0.15); background: rgba(255,255,255,0.06); color: #fff;
    font-family: var(--a-font-body); font-size: 0.9rem; margin-bottom: 18px;
}
.login-card input:focus { outline: none; border-color: var(--a-primary); }
.login-card button {
    width: 100%; padding: 13px; border-radius: var(--a-radius-sm); border: none;
    background: linear-gradient(135deg, #0A66FF, #0047C4); color: #fff; font-weight: 600; font-size: 0.92rem;
    cursor: pointer; font-family: var(--a-font-body);
}
.login-card .alert-error {
    background: rgba(220,38,38,0.15); color: #FCA5A5; padding: 12px 16px; border-radius: var(--a-radius-sm);
    font-size: 0.85rem; margin-bottom: 18px;
}

/* ---- Media Library grid ---- */
.media-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 16px; }
.media-item {
    background: var(--a-surface); border: 1px solid var(--a-border); border-radius: var(--a-radius-md);
    overflow: hidden; position: relative;
}
.media-item img { width: 100%; height: 130px; object-fit: cover; display: block; background: var(--a-canvas); }
.media-item .media-body { padding: 10px 12px; }
.media-item .media-name { font-size: 0.76rem; color: var(--a-text-faint); word-break: break-all; margin-bottom: 8px; }
.media-item .media-actions { display: flex; gap: 6px; }

/* ---- Image field with library picker ---- */
.image-field-row { display: flex; gap: 10px; align-items: center; }
.image-field-row input[type="text"] { flex: 1; }
.image-field-preview {
    width: 44px; height: 44px; border-radius: 8px; border: 1px solid var(--a-border);
    background: var(--a-canvas) center/cover no-repeat; flex-shrink: 0;
}

/* ---- Picker modal ---- */
.media-picker-overlay {
    position: fixed; inset: 0; background: rgba(11,18,32,0.6);
    display: none; align-items: center; justify-content: center; z-index: 200; padding: 24px;
}
.media-picker-overlay.is-open { display: flex; }
.media-picker-modal {
    background: var(--a-surface); border-radius: var(--a-radius-lg); width: 720px; max-width: 100%;
    max-height: 80vh; display: flex; flex-direction: column; overflow: hidden;
}
.media-picker-header { display: flex; justify-content: space-between; align-items: center; padding: 18px 22px; border-bottom: 1px solid var(--a-border); }
.media-picker-body { padding: 20px 22px; overflow-y: auto; display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 12px; }
.media-picker-item { cursor: pointer; border: 2px solid transparent; border-radius: 8px; overflow: hidden; transition: border-color 150ms ease; }
.media-picker-item:hover { border-color: var(--a-primary); }
.media-picker-item img { width: 100%; height: 90px; object-fit: cover; display: block; }
.media-picker-empty { color: var(--a-text-faint); padding: 20px; text-align: center; grid-column: 1 / -1; }

@media (max-width: 900px) {
    .admin-sidebar { position: fixed; left: -260px; z-index: 50; transition: left var(--a-transition); }
    .admin-sidebar.is-open { left: 0; }
    .a-form-grid { grid-template-columns: 1fr; }
}