:root {
  --primary: #023453;
  --bg: #f5f7f8;
  --text: #17384c;
  --muted: #6a8495;
  --card: #ffffff;
  --border: #d9e4ea;
  --radius: 20px;
  --shadow: 0 8px 18px rgba(2, 52, 83, 0.05);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}
a { color: inherit; text-decoration: none; }
.admin-layout {
  display: flex;
  min-height: 100vh;
}
.sidebar {
  width: 250px;
  background: var(--primary);
  color: #fff;
  padding: 24px 16px;
  position: sticky;
  top: 0;
  height: 100vh;
}
.sidebar h2 {
  margin: 0;
  font-size: 1.1rem;
}
.sidebar small {
  color: rgba(255, 255, 255, 0.8);
}
.nav-menu {
  margin-top: 24px;
  display: grid;
  gap: 8px;
}
.nav-menu a {
  padding: 10px 12px;
  border-radius: 12px;
  color: rgba(255, 255, 255, 0.92);
}
.nav-menu a.active,
.nav-menu a:hover {
  background: rgba(255, 255, 255, 0.14);
}
.content {
  flex: 1;
  padding: 24px;
}
.page-title {
  margin: 0 0 18px;
  color: var(--primary);
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}
.quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 14px 0 0;
}
.metric .meta {
  color: var(--muted);
  font-size: 0.8rem;
}
.metric-icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 118, 110, 0.12);
  color: #0f766e;
  margin-bottom: 8px;
}
.metrics {
  display: grid;
  grid-template-columns: repeat(1, minmax(150px, 1fr));
  gap: 12px;
}
.metric h3 {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 600;
}
.metric p {
  margin: 8px 0 0;
  font-size: 1.44rem;
  color: var(--primary);
  font-weight: 800;
}
.grid-2 {
  margin-top: 16px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.table-wrap {
  overflow-x: auto;
}
table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}
th, td {
  text-align: left;
  padding: 10px;
  border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
}
th {
  color: var(--muted);
  font-weight: 600;
}
.badge {
  display: inline-block;
  border-radius: 999px;
  padding: 5px 10px;
  font-size: 0.78rem;
  font-weight: 600;
}
.status-new { background: #e6f4ff; color: #0f4b81; }
.status-contacted { background: #fff4de; color: #7a5600; }
.status-confirmed { background: #e9f9ef; color: #1b6e3b; }
.status-rejected { background: #fdecec; color: #8a2231; }
form.inline { display: inline-flex; gap: 8px; align-items: center; }
input, select, textarea, button {
  font-family: inherit;
}
input, select, textarea {
  border: 1px solid #cddbe3;
  border-radius: 10px;
  padding: 8px 10px;
  width: 100%;
}
.btn {
  border: none;
  border-radius: 10px;
  padding: 8px 12px;
  background: #0f766e;
  color: #fff;
  cursor: pointer;
}
.btn.secondary { background: #31576f; }
.btn.danger { background: #b33648; }
.filters {
  display: grid;
  grid-template-columns: repeat(1, minmax(120px, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}
.alert {
  margin-bottom: 12px;
  border-radius: 10px;
  padding: 10px;
  font-size: 0.9rem;
}
.alert.success { background: #e9f9ef; color: #1b6e3b; border: 1px solid #cbeed9; }
.alert.error { background: #fdecec; color: #8a2231; border: 1px solid #f4d0d7; }
.auth-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.auth-card {
  width: min(440px, 96%);
}
.tabs-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(110px, 1fr));
  gap: 8px;
  margin-bottom: 14px;
}
.tab-btn {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 10px;
  padding: 9px 10px;
  cursor: pointer;
  color: var(--primary);
  font-weight: 600;
}
.tab-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.tab-panel {
  display: none;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}
.tab-panel.active {
  display: block;
}
.form-2col {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px 12px;
}
.form-2col p {
  margin: 0;
}
.actions-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}
.upload-box {
  margin-top: 12px;
  border-top: 1px solid var(--border);
  padding-top: 12px;
}
.admin-preview-image {
  width: min(360px, 100%);
  border-radius: 12px;
  border: 1px solid var(--border);
  display: block;
}
@media (min-width: 900px) {
  .metrics { grid-template-columns: repeat(4, minmax(140px, 1fr)); }
  .grid-2 { grid-template-columns: 2fr 1fr; }
  .filters { grid-template-columns: 2fr 1fr 1fr auto; align-items: end; }
  .tabs-nav { grid-template-columns: repeat(6, minmax(90px, 1fr)); }
  .form-2col { grid-template-columns: repeat(2, minmax(180px, 1fr)); }
}
@media (max-width: 860px) {
  .admin-layout { display: block; }
  .sidebar {
    width: 100%;
    height: auto;
    position: static;
  }
  .nav-menu {
    grid-template-columns: repeat(2, minmax(120px, 1fr));
  }
}