:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #070a12;
  color: #edf3ff;
}

* { box-sizing: border-box; }
body { margin: 0; background: radial-gradient(circle at top left, #14254a, #070a12 48%); min-height: 100vh; }
a { color: #5ee7ff; text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  background: rgba(4, 7, 18, 0.86);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
}
.brand { color: #fff; font-weight: 800; letter-spacing: 0.04em; }
nav { display: flex; align-items: center; gap: 18px; }
nav form { margin: 0; }

.container { width: min(1180px, calc(100% - 32px)); margin: 32px auto 60px; }
.hero { display: flex; justify-content: space-between; gap: 20px; align-items: center; margin-bottom: 26px; }
.hero h1 { margin: 0 0 8px; font-size: clamp(32px, 5vw, 54px); }
.hero p { margin: 0; color: #9fb1cc; }
.compact h1 { font-size: 36px; }

.login-card, .panel, .card {
  background: rgba(10, 16, 34, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 22px;
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.34);
}
.login-card { width: min(440px, 100%); margin: 10vh auto; padding: 34px; }
.login-card h1 { margin-top: 0; }
.login-card p { color: #9fb1cc; }

.cards { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-bottom: 22px; }
.card { padding: 22px; display: grid; gap: 8px; }
.card strong { font-size: 30px; }
.card span { color: #9fb1cc; word-break: break-word; }
.panel { padding: 24px; margin-bottom: 22px; overflow-x: auto; }
.wide { width: 100%; }

.actions-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.actions-grid a { padding: 16px; background: #101a32; border-radius: 14px; border: 1px solid rgba(255,255,255,0.08); }

.form { display: grid; gap: 16px; }
.stack { grid-template-columns: 1fr; }
.grid-form { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.span-2 { grid-column: span 2; }
label { display: grid; gap: 7px; color: #cbd7ec; font-weight: 650; }
input, textarea, button {
  font: inherit;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.12);
  background: #070c1a;
  color: #fff;
  padding: 12px 13px;
}
textarea { resize: vertical; }
button { cursor: pointer; }
.primary, .link-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #00d4ff, #4f7dff);
  color: #001421;
  border: 0;
  font-weight: 800;
  padding: 12px 18px;
  border-radius: 12px;
}
.danger { color: #ff8c8c; border-color: rgba(255, 80, 80, 0.3); }
.checkbox { display: flex; align-items: center; gap: 10px; }
.checkbox input { width: auto; }
.form-actions { display: flex; align-items: center; justify-content: flex-end; gap: 16px; }
.readonly-field {
  display: grid;
  gap: 7px;
  padding: 12px 13px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(7, 12, 26, 0.64);
}
.readonly-field span { color: #cbd7ec; font-weight: 650; }
.readonly-field strong { color: #fff; }

table { width: 100%; border-collapse: collapse; min-width: 860px; }
th, td { padding: 12px 10px; border-bottom: 1px solid rgba(255,255,255,0.08); text-align: left; vertical-align: top; }
th { color: #9fb1cc; font-size: 13px; text-transform: uppercase; letter-spacing: 0.06em; }
.url-cell { max-width: 360px; overflow-wrap: anywhere; color: #a7bbd9; }
.row-actions { display: flex; gap: 10px; align-items: center; }
.row-actions form { margin: 0; }
.reorder-hint { color: #9fb1cc; margin-bottom: 14px; }
.drag-handle { color: #5ee7ff; cursor: grab; font-size: 18px; width: 34px; }
tr.dragging { opacity: 0.45; }

.messages { display: grid; gap: 10px; margin-bottom: 18px; }
.message { padding: 12px 14px; border-radius: 12px; background: #10213c; }
.message.error { background: #3c1212; color: #ffd1d1; }
.message.success { background: #0e3320; color: #c6ffd9; }

@media (max-width: 820px) {
  .topbar, .hero, nav { flex-direction: column; align-items: flex-start; }
  .cards, .actions-grid, .grid-form { grid-template-columns: 1fr; }
  .span-2 { grid-column: span 1; }
  nav { gap: 10px; }
}