:root {
  --bg: #f1f5f9;
  --panel: #ffffff;
  --line: #dbe1e8;
  --text: #0f172a;
  --accent: #0f766e;
  --danger: #dc2626;
  --ok: #166534;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, sans-serif;
  background: var(--bg);
  color: var(--text);
}
.admin-header {
  display: grid;
  grid-template-columns: 220px 1fr 220px;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.2rem;
  background: #0b132b;
  color: #fff;
}
.admin-header nav { display: flex; gap: .8rem; flex-wrap: wrap; }
.admin-header a { color: #dbeafe; text-decoration: none; }
.admin-user { text-align: right; }
.container { max-width: 1240px; margin: 1rem auto; padding: 0 1rem 2rem; }
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: .9rem;
  margin-bottom: 1rem;
}
.card {
  background: var(--panel);
  border-radius: 12px;
  padding: .9rem;
  border: 1px solid var(--line);
}
.card strong { display: block; font-size: 1.6rem; margin-top: .4rem; }
.grid-2 {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1rem;
  margin-top: 1rem;
}
table { width: 100%; border-collapse: collapse; }
th, td { border-bottom: 1px solid var(--line); text-align: left; padding: .65rem; vertical-align: top; }
.url-cell { max-width: 350px; word-break: break-word; }
input, select, button {
  padding: .62rem;
  border-radius: 8px;
  border: 1px solid #cbd5e1;
  width: 100%;
}
button { background: var(--accent); color: #fff; border: none; cursor: pointer; }
.filters { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: .6rem; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: .7rem; }
.alert { padding: .7rem; border-radius: 8px; margin-bottom: .8rem; }
.alert.danger { background: #fee2e2; color: var(--danger); }
.alert.success { background: #dcfce7; color: var(--ok); }
.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: linear-gradient(140deg, #dbeafe 0%, #ecfeff 100%);
}
.login-card {
  width: min(440px, 94vw);
  background: #fff;
  padding: 1.2rem;
  border-radius: 12px;
  border: 1px solid var(--line);
}
@media (max-width: 840px) {
  .admin-header {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .admin-user { text-align: center; }
}

.actions-inline { display:flex; gap:.4rem; align-items:center; flex-wrap:wrap; }
.btn-link { display:inline-block; padding:.62rem .8rem; border-radius:8px; border:1px solid #cbd5e1; text-decoration:none; color:#0f172a; background:#fff; }