/* ============================================================
   AMNews — 3D Printing & Additive Manufacturing news aggregator
   Public site + admin panel styles
   ============================================================ */

:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --ink: #101828;
  --muted: #667085;
  --line: #e4e7ec;
  --accent: #e8590c;
  --accent-dark: #c2410c;
  --navy: #0b1220;
  --navy-2: #152033;
  --chip-bg: #f2f4f7;
  --ok: #067647;
  --ok-bg: #ecfdf3;
  --err: #b42318;
  --err-bg: #fef3f2;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
  --shadow-lg: 0 12px 32px rgba(16, 24, 40, .12);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  font-size: 16px;
}

img { max-width: 100%; }

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

.container { max-width: 1180px; margin: 0 auto; padding: 0 20px; }

.muted { color: var(--muted); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12px; word-break: break-all; }

/* ---------------- Header ---------------- */

.site-header {
  background: var(--navy);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 1px 0 rgba(255, 255, 255, .06), 0 8px 24px rgba(0, 0, 0, .18);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 68px;
}

.brand { display: flex; align-items: center; gap: 12px; color: #fff; }
.brand:hover { text-decoration: none; }

.brand-mark {
  width: 42px; height: 42px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), #f59e0b);
  display: grid; place-items: center;
  font-weight: 800; font-size: 15px; color: #fff;
  letter-spacing: -.5px;
  flex: none;
}

.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-size: 19px; letter-spacing: -.3px; }
.brand-text small { color: #9aa4b2; font-size: 11px; letter-spacing: .2px; }

.main-nav { display: flex; gap: 4px; margin-left: 8px; flex: 1; }
.nav-link {
  color: #cbd5e1;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
}
.nav-link:hover { color: #fff; text-decoration: none; background: rgba(255, 255, 255, .08); }
.nav-link.active { color: #fff; background: rgba(255, 255, 255, .12); }

.header-search { display: flex; align-items: center; }
.header-search input {
  width: 220px;
  padding: 8px 12px;
  border-radius: 8px 0 0 8px;
  border: 1px solid rgba(255, 255, 255, .18);
  border-right: 0;
  background: rgba(255, 255, 255, .08);
  color: #fff;
  font-size: 14px;
  outline: none;
}
.header-search input::placeholder { color: #8b95a5; }
.header-search button {
  border: 1px solid rgba(255, 255, 255, .18);
  border-left: 0;
  background: rgba(255, 255, 255, .12);
  color: #fff;
  padding: 8px 12px;
  border-radius: 0 8px 8px 0;
  cursor: pointer;
  font-size: 14px;
}
.header-search button:hover { background: rgba(255, 255, 255, .2); }

.nav-toggle {
  display: none;
  background: none; border: 0; cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block; width: 22px; height: 2px;
  background: #fff; margin: 4px 0; border-radius: 2px;
  transition: .2s;
}

/* ---------------- Buttons ---------------- */

.btn {
  display: inline-block;
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--line);
  padding: 9px 18px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.btn:hover { text-decoration: none; border-color: #c4c9d4; background: #fafbfc; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.btn-outline { background: transparent; border-color: rgba(255, 255, 255, .3); color: #fff; }
.btn-outline:hover { background: rgba(255, 255, 255, .08); border-color: rgba(255,255,255,.5); }
.btn-block { display: block; width: 100%; }
.btn-sm { padding: 4px 10px; font-size: 12px; border-radius: 6px; }
.btn-danger { color: var(--err); border-color: #f4c7c3; }
.btn-danger:hover { background: var(--err-bg); border-color: var(--err); }

/* ---------------- Layout ---------------- */

.home { padding: 28px 0 48px; }

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 28px;
  align-items: start;
}

.page-title { font-size: 26px; letter-spacing: -.5px; margin: 20px 0 6px; }
.page-sub { color: var(--muted); margin-bottom: 18px; }
.count-badge {
  font-size: 13px; font-weight: 600; color: var(--muted);
  background: var(--chip-bg); padding: 3px 10px; border-radius: 999px;
  vertical-align: middle;
}

.empty {
  background: var(--surface); border: 1px dashed var(--line);
  border-radius: var(--radius); padding: 40px 24px; text-align: center;
  color: var(--muted);
}

/* ---------------- Hero ---------------- */

.hero {
  display: grid;
  grid-template-columns: 7fr 5fr;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 26px;
  box-shadow: var(--shadow);
}
.hero-media { display: block; position: relative; min-height: 300px; }
.hero-img { border-radius: 0; height: 100%; min-height: 300px; }
.hero-body { padding: 28px; display: flex; flex-direction: column; gap: 12px; }
.hero-title { font-size: 26px; line-height: 1.25; letter-spacing: -.4px; }
.hero-title a { color: var(--ink); }
.hero-title a:hover { color: var(--accent-dark); text-decoration: none; }
.hero-excerpt { color: var(--muted); flex: 1; }

/* ---------------- Cards ---------------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow .18s, transform .18s;
}
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }

.card-media { display: block; position: relative; aspect-ratio: 16 / 10; }
.card-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  background: linear-gradient(135deg, #1d2b45, #33415e);
  display: grid; place-items: center;
}
.card-img img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.card-img-ph span {
  color: rgba(255, 255, 255, .85);
  font-weight: 800; font-size: 22px; letter-spacing: 1px;
}

.card-body { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card-title { font-size: 16px; line-height: 1.4; letter-spacing: -.2px; }
.card-title a { color: var(--ink); }
.card-title a:hover { color: var(--accent-dark); text-decoration: none; }
.card-excerpt {
  color: var(--muted); font-size: 13.5px; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}

.card-meta {
  display: flex; align-items: center; gap: 10px;
  font-size: 12px; color: var(--muted);
}
.chip {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 11px; font-weight: 700; letter-spacing: .3px;
  text-transform: uppercase;
}
.chip-source { background: #fdeadf; color: var(--accent-dark); }

/* ---------------- Sidebar ---------------- */

.sidebar { display: flex; flex-direction: column; gap: 20px; position: sticky; top: 84px; }

.widget {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
}
.widget-title {
  font-size: 13px; text-transform: uppercase; letter-spacing: .8px;
  color: var(--muted); margin-bottom: 12px;
}
.widget-list { list-style: none; }
.widget-list li {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 0; font-size: 14px;
  border-bottom: 1px solid #f2f4f7;
}
.widget-list li:last-child { border-bottom: 0; }
.widget-list .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent); flex: none;
}
.widget-list .count { margin-left: auto; color: var(--muted); font-size: 12px; font-weight: 700; }
.widget-ranked { counter-reset: none; }
.widget-ranked li { display: block; }
.widget-ranked a { display: block; color: var(--ink); font-size: 13.5px; line-height: 1.4; padding-left: 28px; position: relative; }
.widget-ranked a:hover { color: var(--accent-dark); text-decoration: none; }
.widget-ranked .rank {
  position: absolute; left: 0; top: 0;
  width: 22px; height: 22px;
  background: var(--chip-bg); color: var(--muted);
  border-radius: 6px; font-size: 12px; font-weight: 700;
  display: grid; place-items: center;
}

/* ---------------- Tags ---------------- */

.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-chip {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--chip-bg); color: var(--ink);
  border: 1px solid transparent;
  padding: 5px 12px; border-radius: 999px;
  font-size: 13px; font-weight: 600;
}
.tag-chip:hover { border-color: var(--accent); color: var(--accent-dark); text-decoration: none; }
.tag-chip span { color: var(--muted); font-size: 11px; font-weight: 700; }
.tag-cloud-lg .tag-chip { font-size: 14px; padding: 8px 16px; }

/* ---------------- Article page ---------------- */

.article-wrap { padding: 24px 0 0; }
.article { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 32px; }

.breadcrumbs { font-size: 13px; color: var(--muted); margin-bottom: 16px; }
.breadcrumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
.breadcrumbs li + li { display: flex; gap: 8px; color: #c4c9d4; }
.breadcrumbs a { color: var(--muted); }
.breadcrumbs a:hover { color: var(--accent-dark); }

.article-title { font-size: 32px; line-height: 1.25; letter-spacing: -.6px; margin-bottom: 14px; }

.article-meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px;
  color: var(--muted); font-size: 13.5px; margin-bottom: 22px;
}
.meta-item { display: inline-flex; align-items: center; gap: 6px; }
.meta-item + .meta-item::before { content: "·"; color: #c4c9d4; }

.article-figure {
  margin: 0 0 24px;
  border-radius: var(--radius); overflow: hidden;
  background: linear-gradient(135deg, #1d2b45, #33415e);
}
.article-figure img { width: 100%; display: block; max-height: 480px; object-fit: cover; }

.article-lead { font-size: 19px; line-height: 1.65; color: #344054; margin-bottom: 22px; }

.article-note {
  background: #fff8f4;
  border: 1px solid #f6dccb;
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 24px;
}
.article-note p { font-size: 14px; color: #4a3a2e; margin-bottom: 12px; }

.article-tags { display: flex; flex-wrap: wrap; gap: 8px; }

.related { background: var(--surface); border-top: 1px solid var(--line); margin-top: 36px; padding: 28px 0 44px; }
.section-title { font-size: 20px; margin-bottom: 18px; letter-spacing: -.3px; }

/* ---------------- Pagination ---------------- */

.pagination ul { list-style: none; display: flex; gap: 6px; flex-wrap: wrap; justify-content: center; }
.page-link {
  display: inline-block; min-width: 38px; text-align: center;
  padding: 7px 12px;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 8px; font-size: 14px; color: var(--ink); font-weight: 600;
}
.page-link:hover { border-color: var(--accent); text-decoration: none; }
.page-link.current { background: var(--accent); border-color: var(--accent); color: #fff; }
.page-dots { color: var(--muted); padding: 7px 4px; }

/* ---------------- Static pages ---------------- */

.page { max-width: 800px; background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 36px; margin: 32px auto 56px; }
.page h1 { font-size: 28px; margin-bottom: 14px; }
.page p { margin-bottom: 14px; color: #344054; }

/* ---------------- Search ---------------- */

.search-form { display: flex; gap: 10px; margin: 18px 0; max-width: 560px; }
.search-form input {
  flex: 1; padding: 10px 14px; border: 1px solid var(--line);
  border-radius: 8px; font-size: 15px;
}
.search-form input:focus { outline: 2px solid #fde2d3; border-color: var(--accent); }

/* ---------------- Footer ---------------- */

.site-footer { background: var(--navy); color: #cbd5e1; margin-top: 0; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1.4fr 1.2fr; gap: 32px;
  padding: 44px 20px 28px;
}
.footer-col h3 { color: #fff; font-size: 14px; text-transform: uppercase; letter-spacing: .8px; margin-bottom: 14px; }
.footer-col p { font-size: 13.5px; color: #9aa4b2; margin-bottom: 10px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; font-size: 13.5px; }
.footer-col a { color: #cbd5e1; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 18px 20px;
  font-size: 13px; color: #7d8898;
}

/* ============================================================
   Admin
   ============================================================ */

.admin-body { background: #eef0f3; }

.admin-topbar {
  background: var(--navy); color: #fff;
  position: sticky; top: 0; z-index: 40;
}
.admin-wrap { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
.admin-topbar .admin-wrap {
  display: flex; align-items: center; gap: 24px; min-height: 58px;
}
.admin-brand { color: #fff; font-weight: 800; font-size: 17px; }
.admin-brand span { color: #f59e0b; font-weight: 600; font-size: 12px; margin-left: 4px; }
.admin-nav { display: flex; gap: 4px; flex: 1; }
.admin-nav a {
  color: #cbd5e1; padding: 7px 12px; border-radius: 7px;
  font-size: 13.5px; font-weight: 600;
}
.admin-nav a:hover { color: #fff; text-decoration: none; background: rgba(255,255,255,.08); }
.admin-nav a.active { color: #fff; background: rgba(255,255,255,.14); }
.admin-exit { color: #9aa4b2; font-size: 13px; }
.admin-exit:hover { color: #fff; }

.admin-page-title { font-size: 24px; margin: 26px 0 16px; }

.flash {
  padding: 12px 16px; border-radius: 9px; margin-bottom: 18px;
  font-size: 14px; font-weight: 600;
}
.flash-ok { background: var(--ok-bg); color: var(--ok); border: 1px solid #abefc6; }
.flash-error { background: var(--err-bg); color: var(--err); border: 1px solid #f4c7c3; }

.stat-grid {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; margin-bottom: 22px;
}
.stat-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px; display: flex; flex-direction: column; gap: 4px;
}
.stat-num { font-size: 24px; font-weight: 800; letter-spacing: -.5px; }
.stat-label { font-size: 12.5px; color: var(--muted); font-weight: 600; }

.admin-panel {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px; margin-bottom: 22px;
}
.admin-panel h2 { font-size: 16px; margin-bottom: 14px; }
.admin-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; align-items: start; }
.admin-grid-2 .admin-panel { margin-bottom: 0; }

.admin-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.admin-table th {
  text-align: left; padding: 9px 10px; color: var(--muted);
  font-size: 11.5px; text-transform: uppercase; letter-spacing: .6px;
  border-bottom: 1px solid var(--line);
}
.admin-table td { padding: 10px; border-bottom: 1px solid #f2f4f7; vertical-align: top; }
.admin-table tr:last-child td { border-bottom: 0; }
.admin-table .cell-title { max-width: 380px; }
.admin-table .cell-title a { color: var(--ink); font-weight: 600; }
.admin-table .cell-title a:hover { color: var(--accent-dark); }
.admin-table .actions { white-space: nowrap; }
.admin-table .actions form { display: inline-block; margin-right: 4px; }

.badge {
  display: inline-block; padding: 2px 9px; border-radius: 999px;
  font-size: 11px; font-weight: 700;
}
.badge-ok { background: var(--ok-bg); color: var(--ok); }
.badge-off { background: #f2f4f7; color: var(--muted); }
.badge-err { background: var(--err-bg); color: var(--err); }

.inline-form { display: inline; }
.hint { color: var(--muted); font-size: 13px; margin-top: 8px; }
.hint code, .install-info code { background: #f2f4f7; padding: 1px 6px; border-radius: 5px; font-size: 12px; }

.log-box {
  background: #0f172a; color: #a5f3fc; font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px; line-height: 1.55; padding: 14px; border-radius: 9px;
  max-height: 380px; overflow: auto; white-space: pre-wrap; word-break: break-word;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 6px; }
.source-form label, .admin-panel label {
  display: block; font-size: 13px; font-weight: 600; margin: 12px 0 4px;
}
.source-form input, .admin-panel input, .admin-panel select, .admin-panel textarea {
  width: 100%; padding: 9px 12px; border: 1px solid #d0d5dd;
  border-radius: 8px; font-size: 14px; font-family: inherit;
}
.admin-panel textarea { resize: vertical; }
.check { display: flex; align-items: center; gap: 8px; font-weight: 600; }
.check input { width: auto; }

.filter-bar { display: flex; gap: 10px; margin-bottom: 18px; }
.filter-bar input { flex: 1; max-width: 320px; padding: 9px 12px; border: 1px solid #d0d5dd; border-radius: 8px; font-size: 14px; }
.filter-bar select { padding: 9px 10px; border: 1px solid #d0d5dd; border-radius: 8px; background: #fff; font-size: 14px; }

.feed-preview { list-style: none; }
.feed-preview li { padding: 10px 0; border-bottom: 1px solid #f2f4f7; font-size: 14px; }
.feed-preview li:last-child { border-bottom: 0; }

.install-info { list-style: none; font-size: 13.5px; }
.install-info li { padding: 6px 0; border-bottom: 1px solid #f2f4f7; }

/* ---------------- Login ---------------- */

.login-body {
  min-height: 100vh; display: grid; place-items: center;
  background: linear-gradient(160deg, #0b1220 0%, #1a2740 55%, #2a1a10 130%);
}
.login-card {
  background: #fff; border-radius: 16px; padding: 34px;
  width: 100%; max-width: 380px; box-shadow: 0 24px 64px rgba(0,0,0,.35);
}
.login-card h1 { font-size: 22px; text-align: center; }
.login-sub { text-align: center; color: var(--muted); margin-bottom: 18px; }
.login-card label { display: block; font-size: 13px; font-weight: 600; margin: 14px 0 4px; }
.login-card input {
  width: 100%; padding: 10px 12px; border: 1px solid #d0d5dd;
  border-radius: 8px; font-size: 14px;
}
.login-back { text-align: center; margin-top: 14px; font-size: 13px; }

/* ---------------- Responsive ---------------- */

@media (max-width: 1024px) {
  .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 860px) {
  .header-inner { flex-wrap: wrap; gap: 12px; padding: 12px 20px; }
  .nav-toggle { display: block; margin-left: auto; }
  .header-search { order: 3; width: 100%; }
  .header-search input { width: 100%; }
  .main-nav {
    display: none; width: 100%; order: 4; flex-direction: column; gap: 2px;
    padding: 8px 0 12px;
  }
  .main-nav.open { display: flex; }
  .layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .hero { grid-template-columns: 1fr; }
  .hero-media, .hero-img { min-height: 220px; }
  .article-wrap { padding-top: 16px; }
  .article { padding: 20px; }
  .article-title { font-size: 25px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .admin-grid-2 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .filter-bar { flex-wrap: wrap; }
  .admin-topbar .admin-wrap { flex-wrap: wrap; gap: 10px; padding: 10px 16px; }
  .admin-nav { order: 3; width: 100%; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .card-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .page { padding: 22px; }
}