:root {
  color-scheme: dark;
  --site-bg: #07182f;
  --site-card: #0c2340;
  --site-card-raised: #123151;
  --site-border: #667e91;
  --site-text: #f5f8fc;
  --site-muted: #bfccd8;
  --site-accent: #bd3039;
  --site-accent-strong: #97252f;
  --site-danger: #e35a64;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(1000px 580px at 8% -12%, #123151 0%, transparent 55%), var(--site-bg);
  color: var(--site-text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}
a { color: #cfe2ff; }
button, input, select, textarea { font: inherit; }
:focus-visible { outline: 3px solid #a8c6e8; outline-offset: 2px; }
.site-header {
  position: relative;
  z-index: 30;
  border-bottom: 1px solid var(--site-border);
  background: rgba(12, 35, 64, .96);
}
.site-header-inner {
  max-width: 1140px;
  margin: auto;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.site-brand { color: var(--site-text); text-decoration: none; font-size: 1.25rem; font-weight: 750; }
.site-greeting { color: var(--site-muted); font-size: .85rem; margin-top: 3px; }
.site-nav { display: flex; flex-wrap: wrap; gap: 8px; }
.site-nav a, .site-link-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 7px 13px;
  border: 1px solid var(--site-border);
  border-radius: 10px;
  background: var(--site-card-raised);
  color: var(--site-text);
  text-decoration: none;
  font-weight: 650;
}
.site-nav a:hover, .site-nav a[aria-current="page"], .site-link-button:hover {
  border-color: var(--site-accent);
  background: #003594;
}
.site-main { max-width: 1050px; margin: 0 auto; padding: 30px 20px 60px; }
.site-panel, .auth-panel {
  padding: clamp(20px, 4vw, 34px);
  background: linear-gradient(155deg, var(--site-card), var(--site-card-raised));
  border: 1px solid var(--site-border);
  border-radius: 18px;
  box-shadow: 0 16px 42px rgba(0, 0, 0, .28);
}
.site-panel h1, .auth-panel h1 { margin: 0 0 12px; }
.site-muted { color: var(--site-muted); }
.site-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px; margin-top: 22px; }
.site-tile {
  min-height: 130px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 20px;
  color: var(--site-text);
  text-decoration: none;
  background: var(--site-card-raised);
  border: 1px solid var(--site-border);
  border-radius: 14px;
}
.site-tile:hover { border-color: var(--site-accent); transform: translateY(-2px); }
.site-tile strong { font-size: 1.2rem; }
.site-tile span { color: var(--site-muted); }
.auth-shell { max-width: 520px; margin: clamp(20px, 8vh, 80px) auto; padding: 0 16px; }
.auth-panel { width: 100%; }
.auth-brand { text-align: center; font-size: 1.4rem; font-weight: 750; margin: 0 0 16px; }
.auth-links { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; margin: 0 0 22px; }
.auth-links a { text-decoration: none; }
.auth-links a[aria-current="page"] { color: white; text-decoration: underline; text-decoration-color: var(--site-accent); text-underline-offset: 5px; }
.auth-form { display: grid; gap: 14px; }
.bot-trap { position: absolute; left: -10000px; height: 1px; width: 1px; overflow: hidden; }
.auth-form label { display: grid; gap: 6px; font-weight: 600; }
.auth-form input:not([type="checkbox"]) {
  width: 100%; min-height: 44px; padding: 10px 12px;
  border: 1px solid var(--site-border); border-radius: 10px;
  background: #07182f; color: var(--site-text);
}
.auth-form textarea, .auth-form select {
  width: 100%; padding: 10px 12px; border: 1px solid var(--site-border);
  border-radius: 10px; background: var(--site-card); color: var(--site-text);
}
.master-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.master-actions button { flex: 1 1 170px; }
.master-actions .master-danger { border-color: var(--site-danger); background: #9b2730; }
.auth-form .check-label { display: flex; align-items: center; gap: 8px; }
.site-button, .auth-form button, .auth-form input[type="submit"] {
  min-height: 44px; padding: 10px 16px;
  border: 1px solid var(--site-accent-strong); border-radius: 10px;
  background: linear-gradient(135deg, var(--site-accent), var(--site-accent-strong));
  color: #fff; font-weight: 750; cursor: pointer;
}
.site-button:hover, .auth-form button:hover { filter: brightness(1.1); }
.site-message { margin: 14px 0; padding: 12px; border-radius: 10px; border: 1px solid var(--site-border); background: #123151; }
.site-message.error { border-color: var(--site-danger); }
.master-table-wrap { overflow-x: auto; margin-top: 16px; }
.master-table { width: 100%; border-collapse: collapse; }
.master-table th, .master-table td { padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--site-border); }
.master-table td { overflow-wrap: anywhere; }
.site-panel h2 { margin-top: 32px; }
@media (max-width: 650px) {
  .site-header-inner { justify-content: center; text-align: center; }
  .site-nav { justify-content: center; }
}