:root {
  --bg: #0f172a;
  --panel: rgba(15, 23, 42, 0.72);
  --panel-soft: rgba(30, 41, 59, 0.65);
  --text: #e2e8f0;
  --muted: #94a3b8;
  --primary: #22d3ee;
  --primary-strong: #06b6d4;
  --success: #22c55e;
  --warn: #f59e0b;
  --danger: #ef4444;
  --border: rgba(148, 163, 184, 0.25);
  --shadow: 0 24px 48px rgba(2, 6, 23, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", Tahoma, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 10%, #0ea5e9 0%, transparent 35%),
    radial-gradient(circle at 85% 20%, #7c3aed 0%, transparent 30%),
    radial-gradient(circle at 50% 85%, #0891b2 0%, transparent 30%),
    var(--bg);
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1180px, 92vw);
  margin: 0 auto;
  padding: 32px 0 48px;
}

.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}

.brand {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.nav-link {
  background: var(--panel-soft);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 16px;
  color: var(--text);
  transition: 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
  border-color: var(--primary);
  color: #ecfeff;
  box-shadow: 0 8px 22px rgba(34, 211, 238, 0.25);
}

.glass-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}

.auth-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.auth-card {
  width: min(460px, 96vw);
  padding: 28px;
}

.title {
  margin: 0 0 8px;
  font-size: 28px;
}

.subtitle {
  margin: 0 0 24px;
  color: var(--muted);
}

.field {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.field label {
  color: #cbd5e1;
  font-size: 14px;
}

.field input,
.field select {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.55);
  color: var(--text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 12px;
  padding: 12px 18px;
  font-weight: 600;
  cursor: pointer;
  transition: 0.2s ease;
}

.btn-primary {
  background: linear-gradient(120deg, var(--primary), var(--primary-strong));
  color: #042f2e;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(34, 211, 238, 0.35);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.tile {
  padding: 18px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--panel-soft);
}

.tile h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.tile p {
  margin: 0;
  color: var(--muted);
  line-height: 1.4;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 780px;
}

th,
td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
}

thead th {
  color: #bae6fd;
  background: rgba(14, 116, 144, 0.25);
}

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 5px 10px;
  font-size: 12px;
  font-weight: 600;
}

.badge.success { background: rgba(34, 197, 94, 0.16); color: #86efac; }
.badge.warn { background: rgba(245, 158, 11, 0.16); color: #fcd34d; }
.badge.danger { background: rgba(239, 68, 68, 0.16); color: #fda4af; }

.section-card {
  padding: 18px;
}

.popup {
  position: fixed;
  inset: 0;
  display: none;
  z-index: 1000;
}

.popup.is-open {
  display: block;
}

.popup__overlay {
  position: absolute;
  inset: 0;
  background: rgba(2, 6, 23, 0.72);
}

.popup__dialog {
  position: relative;
  width: min(520px, calc(100vw - 24px));
  margin: 6vh auto 0;
  padding: 22px;
}

.popup__title {
  font-size: 24px;
}

.popup__close {
  position: absolute;
  top: 12px;
  right: 12px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
}

.inline-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.actions-cell {
  width: 120px;
}

.btn-danger {
  background: rgba(239, 68, 68, 0.2);
  color: #fecaca;
  border: 1px solid rgba(239, 68, 68, 0.45);
}

.btn-danger:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(239, 68, 68, 0.22);
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}

.tab-btn {
  border: 1px solid var(--border);
  background: var(--panel-soft);
  color: var(--text);
  border-radius: 999px;
  padding: 10px 14px;
  cursor: pointer;
}

.tab-btn.active {
  border-color: var(--primary);
  box-shadow: 0 8px 22px rgba(34, 211, 238, 0.25);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}