:root {
  --bg: #0b0d12;
  --panel: #111420;
  --panel-2: #161a2a;
  --accent: #4dd0e1;
  --accent-2: #82b1ff;
  --text: #e6ecf5;
  --muted: #9aa5c2;
  --danger: #ff6b6b;
  --border: #1f2638;
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
  --radius: 12px;
  --font: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
}

* {
  box-sizing: border-box;
}

body.page {
  margin: 0;
  font-family: var(--font);
  background: radial-gradient(circle at 20% 20%, rgba(77, 208, 225, 0.08), transparent 30%),
    radial-gradient(circle at 80% 0%, rgba(130, 177, 255, 0.08), transparent 30%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--accent-2);
}

.shell {
  width: min(960px, 94vw);
  margin: 48px auto;
  padding: 0 12px;
}

.nav {
  display: flex;
  gap: 12px;
  align-items: center;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  box-shadow: var(--shadow);
}

.nav a {
  padding: 8px 12px;
  border-radius: 8px;
  color: var(--text);
}

.nav a.active {
  background: var(--panel-2);
  color: var(--accent);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}


.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  margin-top: 16px;
}

h1,
h2,
h3 {
  margin: 0 0 12px 0;
  letter-spacing: 0.3px;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field span {
  color: var(--muted);
  font-size: 13px;
}

.field input,
.field select,
.field textarea {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  color: var(--text);
  font-size: 15px;
}

.field textarea {
  min-height: 80px;
  resize: vertical;
}

.btn {
  border: none;
  border-radius: 10px;
  padding: 10px 14px;
  font-weight: 600;
  cursor: pointer;
  color: #0b0d12;
  background: var(--muted);
}

.btn.primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #061018;
}

.btn.danger {
  background: var(--danger);
  color: #0b0d12;
}

.btn.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
}

.table th,
.table td {
  border: 1px solid var(--border);
  padding: 10px;
  text-align: left;
}

.table th {
  background: var(--panel-2);
  color: var(--muted);
  font-weight: 600;
}

.table tr:nth-child(every) {
  background: var(--panel);
}

.alert {
  background: rgba(255, 107, 107, 0.1);
  color: var(--danger);
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid rgba(255, 107, 107, 0.3);
  margin-bottom: 10px;
}

.badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 12px;
}

.grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.nav-tabs {
  display: flex; gap: 8px; overflow-x: auto; margin-bottom: 16px; border-bottom: 1px solid var(--border); padding-bottom: 8px;
}
.nav-tabs a {
  padding: 6px 12px; border-radius: 6px; color: var(--muted); white-space: nowrap; font-size: 14px; border: 1px solid transparent;
}
.nav-tabs a.active {
  background: var(--panel-2); color: var(--accent); border-color: var(--border);
}
.nav-tabs a:hover:not(.active) { border-color: var(--border); }

.pagination {
  display: flex; gap: 6px; margin-top: 16px; flex-wrap: wrap;
}
.pagination a, .pagination span {
  padding: 6px 12px; background: var(--panel-2); border-radius: 6px; border: 1px solid var(--border); color: var(--text); font-size: 14px;
}
.pagination a:hover { border-color: var(--accent); }
.pagination span { background: var(--accent); color: #000; border-color: var(--accent); }

.modal-overlay {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.7); display: none; align-items: center; justify-content: center;
  z-index: 100; padding: 12px;
}
.modal-content {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; width: 100%; max-width: 500px; max-height: 90vh; overflow-y: auto;
}

.mobile-fab { display: none; }
.mobile-menu-overlay { display: none; }

@media (max-width: 640px) {
  .shell {
    margin: 8px auto;
    padding: 0 8px;
  }
  .card {
    padding: 12px;
    margin-top: 12px;
  }
  .grid {
    gap: 8px;
  }
  .nav.desktop-nav {
    display: none;
  }
  
  .header-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 16px;
  }
  .header-container .btn {
    width: 100%;
  }

  .table thead { display: none; }
  .table, .table tbody, .table tr, .table td { display: block; width: 100%; }
  .table tr {
    margin-bottom: 12px; background: var(--panel-2);
    border: 1px solid var(--border); border-radius: 12px; padding: 4px 8px;
  }
  .table tr:nth-child(every) { background: var(--panel-2); }
  .table td {
    display: flex; justify-content: space-between; align-items: flex-start; gap: 8px;
    border: none; border-bottom: 1px solid rgba(255,255,255,0.05);
    padding: 8px 4px; text-align: right; font-size: 14px;
  }
  .table td:last-child { border-bottom: none; }
  .table td::before {
    content: attr(data-label); color: var(--muted); font-size: 13px;
    text-align: left; flex-shrink: 0; max-width: 40%; padding-top: 1px;
  }
  .table td .btn { padding: 6px 10px; font-size: 13px; }

  .modal-content { padding: 16px; }

  .mobile-fab {
    display: flex; align-items: center; justify-content: center;
    position: fixed; bottom: 24px; right: 24px;
    width: 56px; height: 56px; border-radius: 50%;
    background: linear-gradient(120deg, var(--accent), var(--accent-2));
    color: #000; box-shadow: 0 4px 20px rgba(0,0,0,0.5);
    z-index: 1000; border: none; cursor: pointer;
    font-size: 24px; line-height: 1; padding: 0;
  }
  .mobile-menu-overlay {
    display: flex; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.7); z-index: 1001;
    flex-direction: column; justify-content: flex-end;
    opacity: 0; pointer-events: none; transition: opacity 0.2s ease;
  }
  .mobile-menu-overlay.active { opacity: 1; pointer-events: auto; }
  .mobile-menu-sheet {
    background: var(--panel); border-top: 1px solid var(--border);
    border-radius: 24px 24px 0 0; padding: 24px 16px;
    transform: translateY(100%); transition: transform 0.3s ease;
    display: flex; flex-direction: column; gap: 8px;
  }
  .mobile-menu-overlay.active .mobile-menu-sheet { transform: translateY(0); }
  .mobile-menu-sheet a, .mobile-menu-sheet .btn {
    padding: 14px; border-radius: 12px; text-align: center;
    font-size: 16px; font-weight: 500; display: block;
  }
  .mobile-menu-sheet a { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); }
  .mobile-menu-sheet a.active { color: var(--accent); border-color: var(--accent); }
}