/* ai4z — AI for Zero. Mobile-first, no framework. */

:root {
  --bg: #fafaf9;
  --text: #18181b;
  --muted: #71717a;
  --accent: #4f46e5;
  --accent-text: #ffffff;
  --border: #e4e4e7;
  --surface: #ffffff;
  --accent-soft: #eef2ff;
  --danger: #b91c1c;
  --ok: #15803d;
  --radius: 10px;
  --max-width: 720px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f0f11;
    --text: #f4f4f5;
    --muted: #a1a1aa;
    --accent: #818cf8;
    --accent-text: #0f0f11;
    --border: #27272a;
    --surface: #18181b;
    --accent-soft: #1e1b4b;
  }
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--accent); text-decoration: none; }
a:hover, a:focus-visible { text-decoration: underline; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--surface);
  padding: 0.5rem 1rem;
  z-index: 100;
  border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus { left: 0; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  min-height: 56px;
  padding: 0 1.25rem;
  max-width: 960px;
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--text);
}
.brand:hover { text-decoration: none; }

.nav-menu { position: relative; }
.nav-toggle {
  display: inline-flex;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-size: 0.9rem;
  cursor: pointer;
  list-style: none;
}
.nav-toggle::-webkit-details-marker { display: none; }
.nav-toggle::after { content: " ▾"; color: var(--muted); }

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 1.25rem;
}
.nav-list a { color: var(--text); font-size: 0.95rem; }
.nav-list a:hover { color: var(--accent); text-decoration: none; }
.nav-list a.active { color: var(--accent); font-weight: 600; }
.nav-sep { width: 1px; height: 1.2rem; background: var(--border); }

/* mobile: dropdown */
@media (max-width: 719px) {
  .nav-list {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    min-width: 170px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 8px 24px rgb(0 0 0 / 8%);
    padding: 0.6rem 1rem;
    display: none;
  }
  .nav-menu[open] .nav-list { display: flex; }
  .nav-sep { width: auto; height: 1px; }
}
.nav-list a {
  color: var(--text);
  padding: 0.35rem 0;
  font-size: 0.95rem;
}
.nav-list a:hover { color: var(--accent); text-decoration: none; }
.nav-list a.active { color: var(--accent); font-weight: 600; }
.nav-sep { width: 1px; height: 1.2rem; background: var(--border); margin: 0.25rem 0.5rem; align-self: center; }

/* ---------- layout ---------- */

.site-main {
  flex: 1;
  width: 100%;
}

.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 4rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.25rem;
  padding-bottom: 1.25rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--accent); }

.section {
  padding: 3rem 0 1rem;
}
.section-narrow { max-width: 480px; margin-left: auto; margin-right: auto; text-align: left; }

.section-title {
  font-size: 1.35rem;
  letter-spacing: -0.01em;
  margin: 0 0 1rem;
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.section-head .section-title { margin: 0; }

.link-more { font-size: 0.95rem; white-space: nowrap; }
.eyebrow {
  text-transform: uppercase;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin: 0 0 0.5rem;
}
.lede { font-size: 1.05rem; color: var(--text); margin: 0 0 1.5rem; }
.muted { color: var(--muted); }
.accent { color: var(--accent); }

/* ---------- hero ---------- */

.hero {
  padding: 4rem 1.25rem 2rem;
  max-width: 720px;
  margin: 0 auto;
  text-align: left;
}
.hero h1 {
  font-size: clamp(2.2rem, 7vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
}
.hero .lede { max-width: 56ch; }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* ---------- buttons ---------- */

.btn {
  display: inline-block;
  padding: 0.65rem 1.15rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 0.95rem;
  transition: background 120ms ease, border-color 120ms ease, transform 60ms ease;
  cursor: pointer;
}
.btn:hover { text-decoration: none; border-color: var(--accent); color: var(--accent); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.btn-primary:hover { color: var(--accent-text); filter: brightness(1.08); }
.btn-danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 40%, var(--border)); background: transparent; }
.btn-danger:hover { color: var(--danger); border-color: var(--danger); }

/* ---------- cards ---------- */

.cards {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .cards { grid-template-columns: repeat(3, 1fr); }
  .cards-2 { grid-template-columns: repeat(2, 1fr); }
}

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 1.25rem;
}
.card h3 { margin: 0 0 0.4rem; font-size: 1.05rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }
.card-num {
  display: inline-block;
  width: 1.6rem; height: 1.6rem;
  line-height: 1.6rem;
  text-align: center;
  border-radius: 6px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 0.6rem;
}

.card-link { padding: 0; }
.card-link a {
  display: block;
  padding: 1.25rem;
  color: var(--text);
  height: 100%;
}
.card-link a:hover { text-decoration: none; }
.card-link .card-cta { color: var(--accent); font-weight: 600; font-size: 0.9rem; }

/* ---------- lists ---------- */

.list-plain { list-style: none; margin: 0; padding: 0; }
.list-plain li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  align-items: baseline;
}
.list-plain li:last-child { border-bottom: 0; }

.lesson-list {
  list-style: none;
  counter-reset: lesson;
  padding: 0;
  margin: 1.5rem 0 0;
}
.lesson-list li { counter-increment: lesson; }
.lesson-list a {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1rem 0.75rem;
  margin: 0 -0.75rem;
  border-radius: 8px;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  text-decoration: none;
}
.lesson-list a:hover { background: var(--surface); }
.lesson-num {
  flex: 0 0 auto;
  width: 2rem; height: 2rem;
  border-radius: 6px;
  display: grid; place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
  font-size: 0.9rem;
}
.lesson-body { display: flex; flex-direction: column; gap: 0.15rem; }
.lesson-body strong { font-size: 1rem; }
.lesson-body small { color: var(--muted); font-size: 0.9rem; }

.news-list { list-style: none; padding: 0; margin: 1rem 0 0; }
.news-list li { padding: 1rem 0; border-bottom: 1px solid var(--border); }
.news-list li:last-child { border-bottom: 0; }
.news-list a {
  display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; align-items: baseline;
  color: var(--text);
}
.news-list a:hover { text-decoration: none; color: var(--accent); }
.news-list time { color: var(--muted); font-size: 0.9rem; }

/* ---------- prose (article body) ---------- */

.prose { line-height: 1.75; }
.prose h1, .prose h2, .prose h3 { line-height: 1.25; letter-spacing: -0.01em; }
.prose h2 { margin: 2rem 0 0.75rem; font-size: 1.4rem; }
.prose h3 { margin: 1.5rem 0 0.5rem; font-size: 1.15rem; }
.prose p { margin: 0 0 1rem; }
.prose ul, .prose ol { margin: 0 0 1rem; padding-left: 1.4rem; }
.prose li { margin: 0.3rem 0; }
.prose code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.88em;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 0.1rem 0.35rem;
  border-radius: 5px;
}
.prose pre {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  overflow-x: auto;
}
.prose pre code { border: 0; padding: 0; }
.prose blockquote {
  border-left: 3px solid var(--accent);
  padding: 0.25rem 0 0.25rem 1rem;
  margin: 1rem 0;
  color: var(--muted);
}
.prose table {
  border-collapse: collapse;
  margin: 1rem 0;
  width: 100%;
}
.prose th, .prose td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
  text-align: left;
  font-size: 0.95rem;
}
.prose th { background: var(--surface); }
.prose hr { border: 0; border-top: 1px solid var(--border); margin: 2rem 0; }

/* ---------- article ---------- */

.article { padding-top: 3rem; }
.article-head h1 { font-size: clamp(1.8rem, 5.5vw, 2.4rem); line-height: 1.15; margin: 0 0 0.5rem; letter-spacing: -0.015em; }
.article-nav {
  display: flex;
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.article-nav a {
  flex: 1 1 10rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-size: 0.95rem;
}
.article-nav a:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }

/* ---------- forms ---------- */

.form { display: flex; flex-direction: column; gap: 1rem; font-size: 0.95rem; }
.form label { display: flex; flex-direction: column; gap: 0.35rem; font-weight: 500; }
.form .hint { font-weight: 400; color: var(--muted); font-size: 0.85rem; }
.form input[type="text"], .form input[type="password"], .form input[type="search"],
.form select, .form textarea {
  font: inherit;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem 0.75rem;
  outline: none;
}
.form input:focus, .form select:focus, .form textarea:focus { border-color: var(--accent); }
.form textarea { resize: vertical; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.9rem; }
.form .check { flex-direction: row; align-items: center; gap: 0.5rem; font-weight: 400; }
.form fieldset {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin: 0 0 1rem;
  background: var(--surface);
}
.form legend { padding: 0 0.5rem; font-weight: 600; }

.form-error {
  background: color-mix(in srgb, var(--danger) 12%, transparent);
  color: var(--danger);
  border: 1px solid color-mix(in srgb, var(--danger) 30%, transparent);
  border-radius: 8px;
  padding: 0.6rem 0.9rem;
  margin: 0 0 1rem;
}
.form-ok {
  background: color-mix(in srgb, var(--ok) 12%, transparent);
  color: var(--ok);
  border: 1px solid color-mix(in srgb, var(--ok) 30%, transparent);
  border-radius: 8px;
  padding: 0.6rem 0.9rem;
  margin: 0 0 1.5rem;
}

/* ---------- admin ---------- */

.admin-head {
  display: flex; justify-content: space-between; align-items: flex-end; gap: 1rem; flex-wrap: wrap;
  margin-bottom: 1.5rem;
}
.admin-head h1 { font-size: 1.8rem; margin: 0; }
.admin-actions { display: flex; gap: 0.5rem; }

.table { width: 100%; border-collapse: collapse; margin-top: 0.75rem; font-size: 0.9rem; }
.table th, .table td {
  border-bottom: 1px solid var(--border);
  padding: 0.6rem 0.5rem;
  text-align: left;
  vertical-align: top;
}
.table th { font-weight: 600; color: var(--muted); }
.table a { color: var(--text); }
.table a:hover { color: var(--accent); }
.tag {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 4px;
  padding: 0.15rem 0.35rem;
  margin-left: 0.4rem;
}

.edit-inline summary {
  cursor: pointer;
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 500;
}
.form-inline-edit { display: flex; flex-direction: column; gap: 0.5rem; margin-top: 0.5rem; padding: 0.75rem; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; }
.form-inline-edit input, .form-inline-edit select, .form-inline-edit textarea {
  font: inherit; color: var(--text); background: var(--bg);
  border: 1px solid var(--border); border-radius: 6px; padding: 0.45rem 0.6rem;
}
.form-inline-edit .btn { align-self: flex-start; padding: 0.4rem 0.8rem; font-size: 0.85rem; }

/* ---------- motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}

/* ---------- desktop tweaks ---------- */

@media (min-width: 720px) {
  .hero { padding: 5rem 2rem 3rem; }
  .section { padding: 4rem 0 1.5rem; }
  .nav-toggle { display: none; }
}

/* ============================================================
   ADMIN DASHBOARD (WP-style)
   ============================================================ */

:root {
  --ad-bg: #f6f7f8;
  --ad-text: #1f2430;
  --ad-sub: #6b7280;
  --ad-line: #e5e7eb;
  --ad-surface: #ffffff;
  --ad-side: #11151c;
  --ad-side-text: #c7cedb;
  --ad-side-active: #eef2ff;
  --ad-side-active-text: #4f46e5;
  --ad-accent: #4f46e5;
  --ad-accent-2: #4f46e5;
  --ad-danger: #b91c1c;
  --ad-radius: 8px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ad-bg: #0f1114;
    --ad-text: #e5e7eb;
    --ad-sub: #9aa3b2;
    --ad-line: #23272f;
    --ad-surface: #15181e;
    --ad-surface: #171b22;
    --ad-side: #0d1015;
    --ad-side-text: #b6becd;
  }
}

.admin-body {
  background: var(--ad-bg);
  color: var(--ad-text);
  font-family: var(--font);
}

.admin-shell {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  min-height: 100vh;
}

/* ---- sidebar ---- */

.admin-side {
  background: var(--ad-side);
  color: var(--ad-side-text);
  display: flex;
  flex-direction: column;
  padding: 14px 12px;
  gap: 14px;
  border-right: 1px solid transparent;
}

.admin-brand {
  display: inline-flex; align-items: center; gap: 8px;
  color: #fff; text-decoration: none; font-weight: 700; font-size: 1.1rem;
  padding: 8px 10px; border-radius: 8px;
}
.admin-brand span { letter-spacing: -0.01em; }

.admin-nav { display: flex; flex-direction: column; gap: 2px; }
.admin-nav-group {
  font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.08em;
  color: rgba(255,255,255,0.4); margin: 10px 10px 4px;
}

.admin-link {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border-radius: 8px;
  color: var(--ad-side-text); text-decoration: none; font-size: 0.92rem;
  background: transparent; border: 0; width: 100%; text-align: left;
  cursor: pointer;
}
.admin-link:hover { background: rgba(255,255,255,0.06); color: #fff; text-decoration: none; }
.admin-link.active {
  background: var(--ad-side-active); color: var(--ad-side-active-text); font-weight: 600;
}
.admin-link .badge {
  margin-left: auto; font-size: 0.72rem;
  background: rgba(255,255,255,0.10); color: inherit;
  padding: 1px 7px; border-radius: 10px; line-height: 1.4;
}
.admin-link.active .badge { background: rgba(79,70,229,0.18); }
.admin-link .dot {
  width: 6px; height: 6px; border-radius: 50%; background: rgba(255,255,255,0.35); flex: 0 0 auto;
}
.admin-link .dot-learn { background: #34d399; }
.admin-link .dot-news { background: #fbbf24; }
.admin-link .ext { margin-left: auto; opacity: 0.6; font-size: 0.85rem; }
.admin-link .badge + .ext, .admin-link .ext + .badge { margin-left: 0; }

.admin-side-foot { margin-top: auto; }

/* ---- main ---- */

.admin-main {
  display: flex; flex-direction: column; min-width: 0;
  background: var(--ad-bg);
}

.admin-top {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 12px 20px;
  background: var(--ad-surface); border-bottom: 1px solid var(--ad-line);
  position: sticky; top: 0; z-index: 5;
}

.admin-search {
  display: flex; align-items: center; gap: 8px;
  background: var(--ad-bg); border: 1px solid var(--ad-line);
  border-radius: 8px; padding: 6px 10px; max-width: 420px; flex: 1;
  color: var(--ad-sub);
}
.admin-search input {
  border: 0; background: transparent; outline: none;
  color: var(--ad-text); font: inherit; font-size: 0.9rem; width: 100%;
}

.admin-content {
  padding: 22px 20px 40px;
  flex: 1;
  width: 100%;
  max-width: 1000px;
}

.admin-pane-head { margin-bottom: 16px; }
.admin-pane-head h1 { font-size: 1.5rem; margin: 0 0 4px; letter-spacing: -0.015em; }
.admin-pane-head .muted-sm { color: var(--ad-sub); font-size: 0.9rem; margin: 0; }
.admin-pane-head .muted-sm a { color: var(--ad-accent); }

.admin-card {
  background: var(--ad-surface); border: 1px solid var(--ad-line);
  border-radius: 10px; margin-bottom: 16px; overflow: hidden;
}
.admin-card-summary {
  cursor: pointer; padding: 12px 16px; font-weight: 600; font-size: 0.95rem;
  color: var(--ad-text); list-style: none;
}
.admin-card-summary::-webkit-details-marker { display: none; }
.admin-new-item[open] .admin-card-summary::before { content: "▾ "; }
.admin-new-item[open] form { padding: 4px 16px 16px; }

.admin-table-wrap {
  background: var(--ad-surface); border: 1px solid var(--ad-line);
  border-radius: 10px; overflow: hidden;
}

.admin-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.admin-table th, .admin-table td {
  text-align: left; padding: 12px 14px; vertical-align: top;
}
.admin-table thead th {
  font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--ad-sub); background: transparent;
  border-bottom: 1px solid var(--ad-line); font-weight: 600;
}
.admin-table tbody tr { border-bottom: 1px solid var(--ad-line); }
.admin-table tbody tr:last-child { border-bottom: 0; }
.admin-table tbody tr:hover { background: color-mix(in srgb, var(--ad-surface) 92%, var(--ad-line)); }

.admin-title-link { color: var(--ad-text); font-weight: 600; text-decoration: none; }
.admin-title-link:hover { color: var(--ad-accent); }
.admin-title-link .ext { opacity: 0.55; font-size: 0.8rem; margin-left: 2px; }

.admin-slug {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.8rem; color: var(--ad-sub);
  background: var(--ad-bg); border: 1px solid var(--ad-line);
  padding: 1px 6px; border-radius: 5px;
}

.tag {
  display: inline-block; font-size: 0.68rem; font-weight: 700;
  letter-spacing: 0.04em; text-transform: uppercase;
  padding: 2px 7px; border-radius: 5px; margin-right: 6px;
}
.tag-news { background: #fff7e6; color: #b45309; }
.tag-learn { background: #ecfdf5; color: #047857; }
.tag-muted { background: transparent; border: 1px solid var(--ad-line); color: var(--ad-sub); }
@media (prefers-color-scheme: dark) {
  .tag-news { background: #3a2a0e; color: #fbbf24; }
  .tag-learn { background: #0c3524; color: #34d399; }
}

.admin-edit-row td { padding: 14px 16px; background: color-mix(in srgb, var(--ad-surface) 95%, var(--ad-line)); }

/* ---- buttons ---- */

.admin-btn {
  display: inline-block; padding: 7px 12px; border-radius: 7px;
  border: 1px solid var(--ad-line); background: var(--ad-surface);
  color: var(--ad-text); font: inherit; font-size: 0.88rem; cursor: pointer;
}
.admin-btn:hover { border-color: var(--ad-accent); color: var(--ad-accent); }
.admin-btn-primary { background: var(--ad-accent); color: #fff; border-color: var(--ad-accent); font-weight: 600; }
.admin-btn-primary:hover { color: #fff; filter: brightness(1.08); }
.admin-btn-danger { color: var(--ad-danger); border-color: color-mix(in srgb, var(--ad-danger) 40%, var(--ad-line)); }
.admin-btn-danger:hover { color: var(--ad-danger); border-color: var(--ad-danger); }
.admin-btn-sm { padding: 4px 10px; font-size: 0.82rem; }

.col-actions { white-space: nowrap; text-align: right; }
.admin-mini-form { display: inline-block; }
.admin-row { display: flex; gap: 8px; flex-wrap: wrap; }

.muted-sm { color: var(--ad-sub); font-size: 0.85rem; }

/* ---- forms reuse the public .form styling, but scope colors ---- */
.admin-card .form input, .admin-card .form select, .admin-card .form textarea,
.admin-edit-row .form input, .admin-edit-row .form select, .admin-edit-row .form textarea {
  background: var(--ad-bg);
  color: var(--ad-text);
  border-color: var(--ad-line);
}
.admin-card .form textarea, .admin-edit-row .form textarea {
  background: var(--ad-bg); color: var(--ad-text);
}

/* ---- footer ---- */

.admin-foot {
  border-top: 1px solid var(--ad-line);
  padding: 10px 20px; background: var(--ad-surface);
  color: var(--ad-sub); font-size: 0.82rem;
}
.admin-foot a { color: var(--ad-sub); }
.admin-foot a:hover { color: var(--ad-accent); }

/* ---- responsive: collapse sidebar into a top bar ---- */
@media (max-width: 780px) {
  .admin-shell { grid-template-columns: 1fr; }
  .admin-side {
    flex-direction: row; align-items: center; flex-wrap: wrap; gap: 8px;
    padding: 10px 12px;
  }
  .admin-brand { padding: 4px 8px; }
  .admin-nav { flex-direction: row; flex-wrap: wrap; align-items: center; order: 3; width: 100%; }
  .admin-nav-group { margin: 4px 6px 0 0; display: inline; }
  .admin-link { width: auto; padding: 6px 8px; font-size: 0.85rem; }
  .admin-link .badge { margin-left: 6px; }
  .admin-side-foot { margin: 0 0 0 auto; }
  .admin-content { padding: 16px 14px 30px; }
}