:root {
  --bg: #090d14;
  --bg-soft: #0d1420;
  --panel: #101926;
  --surface: #131f30;
  --surface-2: #162437;
  --text: #e5edf7;
  --muted: #94a8c2;
  --primary: #4f8cff;
  --primary-strong: #3b74e3;
  --danger: #ef4444;
  --danger-soft: #3a1a1f;
  --ok: #22c55e;
  --ok-soft: #183325;
  --busy: #f59e0b;
  --busy-soft: #3a2c12;
  --border: #24364c;
  --shadow: 0 14px 40px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: Inter, Segoe UI, Arial, sans-serif;
  background: radial-gradient(circle at top, #0f1928, var(--bg) 45%);
  color: var(--text);
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 260px 1fr;
}

.sidebar {
  background: linear-gradient(160deg, #0b131f, #101a29);
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  border-right: 1px solid var(--border);
}

.brand {
  font-size: 1.15rem;
  font-weight: 700;
}

.menu {
  display: grid;
  gap: 8px;
}

.menu a {
  color: #b7c7dc;
  text-decoration: none;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid transparent;
  transition: 0.15s ease;
}

.menu a.active,
.menu a:hover {
  background: #1b2a3f;
  border-color: #2a405d;
  color: #f5f9ff;
}

.logout-form {
  margin-top: auto;
}

.content {
  padding: 24px;
}

.content-header {
  margin-bottom: 20px;
}

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

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  box-shadow: var(--shadow);
}

.card h3 {
  margin-bottom: 8px;
}

.card p {
  color: var(--muted);
  line-height: 1.5;
}

.toolbar {
  margin-bottom: 14px;
}

.table-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: auto;
  box-shadow: var(--shadow);
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  text-align: left;
  padding: 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  font-size: 0.95rem;
}

th {
  color: #c7d7ec;
  background: #142335;
}

tr:hover td {
  background: rgba(255, 255, 255, 0.015);
}

.actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.btn {
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  border-radius: 10px;
  padding: 8px 12px;
  text-decoration: none;
  cursor: pointer;
  transition: 0.15s ease;
}

.btn:hover {
  filter: brightness(1.12);
}

.btn-small {
  font-size: 0.85rem;
  padding: 6px 10px;
}

.btn-primary {
  border-color: var(--primary);
  background: var(--primary);
  color: #f8fbff;
}

.btn-primary:hover {
  background: var(--primary-strong);
}

.btn-outline {
  background: transparent;
  border-color: #4f6787;
  color: #d6e3f3;
}

.btn-danger {
  border-color: var(--danger);
  background: var(--danger);
  color: #fff;
}

.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  color: #fff;
}

.badge.ok {
  background: var(--ok);
}

.badge.busy {
  background: var(--busy);
}

.alert {
  padding: 10px 12px;
  border-radius: 10px;
  margin-bottom: 12px;
}

.alert.success {
  background: var(--ok-soft);
  color: #8af0b2;
  border: 1px solid #2f5d45;
}

.alert.error {
  background: var(--danger-soft);
  color: #ffb4bf;
  border: 1px solid #6b2b35;
}

.form-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

label {
  display: grid;
  gap: 6px;
  color: #c9d9ed;
  font-weight: 600;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #2f435d;
  background: #0f1826;
  color: var(--text);
  border-radius: 10px;
  padding: 10px;
  font: inherit;
}

input::placeholder,
textarea::placeholder {
  color: #7f96b3;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 140, 255, 0.2);
}

.full-width {
  grid-column: 1 / -1;
}

.form-actions {
  grid-column: 1 / -1;
  display: flex;
  gap: 10px;
}

.server-picker {
  border: 1px solid var(--border);
  background: #0d1725;
  border-radius: 10px;
  padding: 10px;
  max-height: 260px;
  overflow: auto;
  display: grid;
  gap: 8px;
}

.server-option {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
  padding: 6px 8px;
  border-radius: 8px;
}

.server-option:hover {
  background: rgba(255, 255, 255, 0.04);
}

.server-option input[type="checkbox"] {
  width: auto;
}

.server-option small {
  color: #8db3e6;
}

.login-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at top, #1a2a42, #080d15 55%);
}

.login-card {
  width: min(420px, 92vw);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.login-card h1 {
  margin-bottom: 8px;
}

.login-card p {
  margin-bottom: 14px;
  color: var(--muted);
}

@media (max-width: 900px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    border-bottom: 1px solid var(--border);
    border-right: 0;
  }
}