:root {
  --bg: #0f1117;
  --sidebar-bg: #161923;
  --card-bg: #1b1e29;
  --border: #2a2e3c;
  --text: #e6e8ee;
  --text-muted: #9096a8;
  --accent: #5865f2;
  --accent-hover: #4752c4;
  --ok: #57f287;
  --bad: #ed4245;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.app {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 240px;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  padding: 20px 14px;
  display: flex;
  flex-direction: column;
}

.brand {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 24px;
  padding: 0 8px;
}

.nav-section-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin: 18px 8px 6px;
}

.nav-link {
  display: block;
  padding: 9px 10px;
  border-radius: 8px;
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  margin-bottom: 2px;
}

.nav-link:hover {
  background: rgba(255,255,255,0.05);
}

.nav-link.active {
  background: var(--accent);
  color: #fff;
}

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

.logout-btn {
  width: 100%;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
}

.logout-btn:hover {
  color: var(--text);
  border-color: var(--text-muted);
}

.content {
  flex: 1;
  padding: 32px 40px;
  max-width: 900px;
}

h1 { margin: 0 0 4px; font-size: 26px; }
h2 { margin-top: 36px; font-size: 18px; }

.subtitle {
  color: var(--text-muted);
  margin-top: 0;
}

.muted { color: var(--text-muted); }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px;
  margin: 20px 0;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.card-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}

.card-value {
  font-size: 20px;
  font-weight: 600;
}

.card-value.ok { color: var(--ok); }
.card-value.bad { color: var(--bad); }

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

.plugin-table th, .plugin-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

.plugin-table th {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 12px;
  text-transform: uppercase;
}

.link-btn {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.config-form {
  margin-top: 20px;
  max-width: 520px;
}

.field {
  margin-bottom: 20px;
}

.field label:not(.switch-label) {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  font-weight: 600;
}

.field input[type="text"],
.field input[type="number"],
.field textarea,
.field select {
  width: 100%;
  padding: 10px 12px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
}

.field textarea {
  resize: vertical;
}

.switch-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  cursor: pointer;
}

.help-text {
  font-size: 12px;
  color: var(--text-muted);
  margin: 6px 0 0;
}

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 24px 0;
}

.save-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 11px 22px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.save-btn:hover {
  background: var(--accent-hover);
}

.alert {
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 16px;
}

.alert-success {
  background: rgba(87, 242, 135, 0.12);
  border: 1px solid rgba(87, 242, 135, 0.3);
  color: var(--ok);
}

.alert-error {
  background: rgba(237, 66, 69, 0.12);
  border: 1px solid rgba(237, 66, 69, 0.3);
  color: var(--bad);
}

/* Login page */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.login-box {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  width: 100%;
  max-width: 360px;
}

.login-box h1 {
  text-align: center;
  margin-bottom: 4px;
}

.login-box .subtitle {
  text-align: center;
  margin-bottom: 20px;
}

.login-box label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin: 14px 0 6px;
}

.login-box input {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
}

.login-box button {
  width: 100%;
  margin-top: 20px;
  padding: 11px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.login-box button:hover {
  background: var(--accent-hover);
}