:root {
  --bg: #f4f6fa;
  --card: #ffffff;
  --border: #e5e9f0;
  --text: #1e293b;
  --muted: #64748b;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --ok: #10b981;
  --warn: #f59e0b;
  --danger: #ef4444;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

/* ---- Top navigation ---- */
.topnav {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topnav-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
  height: 58px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  font-weight: 700;
  font-size: 15px;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
}

.tabs {
  display: flex;
  gap: 4px;
  flex: 1;
}

.tabs a {
  padding: 8px 14px;
  border-radius: 8px;
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
}
.tabs a:hover { background: var(--bg); color: var(--text); }
.tabs a.on { background: #eff4ff; color: var(--primary); font-weight: 600; }

.nav-right { display: flex; align-items: center; gap: 12px; }
.who { color: var(--muted); font-size: 13px; }
.logout { color: var(--muted); text-decoration: none; font-size: 13px; }
.logout:hover { color: var(--danger); }

/* ---- Layout ---- */
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 28px 20px 60px;
}

.page-head { margin-bottom: 20px; }
.page-head h1 { margin: 0; font-size: 22px; }
.muted { color: var(--muted); margin: 2px 0 0; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 20px;
}
.grid-2.align-start { align-items: start; }
@media (max-width: 860px) { .grid-2 { grid-template-columns: 1fr; } }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 14px;
}
.card h2 { margin: 0 0 14px; font-size: 15px; }

.stat-card { text-align: center; padding: 18px 12px; }
.stat-value { font-size: 28px; font-weight: 700; }
.stat-label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.4px; }
.stat-card.warn .stat-value { color: var(--danger); }

/* ---- Forms ---- */
label {
  display: block;
  font-weight: 600;
  font-size: 12.5px;
  margin: 14px 0 5px;
}
label:first-of-type { margin-top: 0; }
.hint-inline { color: var(--muted); font-weight: 400; }

input, textarea, select {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font: inherit;
  color: var(--text);
  background: #fff;
}
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px #2563eb1f;
}
textarea { resize: vertical; }

.check {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  font-weight: 400;
  font-size: 13px;
  margin-top: 14px;
}
.check input { width: auto; margin-top: 2px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.form-foot { margin-top: 18px; text-align: right; }
.key-row { display: flex; gap: 8px; }
.key-row input { font-family: Consolas, monospace; font-size: 12.5px; }

/* ---- Buttons ---- */
.btn {
  display: inline-block;
  padding: 9px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { background: var(--bg); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-danger { background: #fff; border-color: #fecaca; color: var(--danger); }
.btn-danger:hover { background: #fef2f2; }
.btn-sm { padding: 5px 12px; font-size: 12.5px; }
.btn-icon { padding: 5px 9px; line-height: 1; }
.btn-icon:hover { background: #fef2f2; border-color: #fecaca; }
.row-actions { display: inline-flex; gap: 6px; }
.btn-block { width: 100%; margin-top: 20px; }

/* ---- Tables ---- */
.filter-bar { display: flex; gap: 10px; margin-bottom: 16px; }
.filter-bar input[type="search"] { max-width: 260px; }
.filter-bar select { max-width: 170px; }
.filter-bar .btn { flex-shrink: 0; }

.table { width: 100%; border-collapse: collapse; }
.table th {
  text-align: left;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--muted);
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
}
.table td { padding: 10px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.table tr:last-child td { border-bottom: none; }
.table .strong { font-weight: 600; }
.table .right { text-align: right; }
.table .empty { text-align: center; color: var(--muted); padding: 30px; }
.table .clip { max-width: 260px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nowrap { white-space: nowrap; }
.table form { display: inline; }

/* ---- Badges ---- */
.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 11.5px;
  font-weight: 600;
  background: var(--bg);
  color: var(--muted);
}
.badge-ok { background: #ecfdf5; color: #047857; }
.badge-warn { background: #fffbeb; color: #b45309; }
.badge-danger { background: #fef2f2; color: #b91c1c; }
.badge-help { cursor: help; border-bottom: 1px dotted currentColor; }
.badge-youtube { background: #fef2f2; color: #b91c1c; }
.badge-facebook { background: #eff6ff; color: #1d4ed8; }
.badge-instagram { background: #fdf2f8; color: #be185d; }

/* ---- Flash messages ---- */
.flash {
  padding: 11px 16px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-weight: 500;
}
.flash-ok { background: #ecfdf5; color: #047857; border: 1px solid #a7f3d0; }
.flash-err { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }

/* ---- Pagination ---- */
.pagination {
  display: flex;
  gap: 6px;
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
  justify-content: center;
}
.pagination a, .pagination span {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  text-decoration: none;
  font-size: 13px;
}
.pagination .active a, .pagination .active span { background: var(--primary); border-color: var(--primary); color: #fff; }
.pagination a:hover { background: var(--bg); }

/* ---- Login ---- */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-card {
  width: 360px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px;
  text-align: center;
}
.login-logo { font-size: 36px; }
.login-card h1 { margin: 6px 0 2px; font-size: 20px; }
.login-card form { text-align: left; margin-top: 22px; }