/* ════════════════════════════════════════════════════════════
   itop.hoiai.com.vn — Dark Theme
   Kế thừa palette từ ads.hoiai.com.vn / bot.hoiai.com.vn
   ════════════════════════════════════════════════════════════ */

:root {
  --bg-primary: #0f1120;
  --bg-secondary: #171a2e;
  --bg-card: #1c2040;
  --bg-input: #232850;
  --bg-hover: #262b55;
  --border: #2a3060;
  --border-focus: #5b6abf;
  --text-primary: #e8e8f0;
  --text-secondary: #9498b8;
  --text-muted: #6a6e90;
  --accent: #5b6abf;
  --accent-hover: #6e7dd4;
  --accent-light: rgba(91, 106, 191, 0.15);
  --success: #34d399;
  --danger: #ef4444;
  --danger-hover: #dc2626;
  --warning: #fbbf24;
  --link: #818cf8;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Layout ─────────────────────────────────────────────── */

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}

.app-header h1 {
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
}

.user-info img {
  width: 28px;
  height: 28px;
  border-radius: 50%;
}

.btn-logout {
  padding: 6px 16px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 13px;
  transition: all 0.15s;
}
.btn-logout:hover {
  border-color: var(--text-secondary);
  color: var(--text-primary);
}

/* ── Nav Tabs ───────────────────────────────────────────── */

.nav-tabs {
  display: flex;
  gap: 0;
  padding: 0 24px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.nav-tab {
  padding: 12px 20px;
  font-size: 14px;
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
}
.nav-tab:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
  text-decoration: none;
}
.nav-tab.active {
  color: var(--text-primary);
  border-bottom-color: var(--accent);
  font-weight: 600;
}

/* ── Main Content ───────────────────────────────────────── */

.main-content {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px;
}

/* ── Section Card ───────────────────────────────────────── */

.section-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 20px;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.section-title {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ── Website Item Card ──────────────────────────────────── */

.website-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 10px;
  transition: border-color 0.15s;
}
.website-item:hover {
  border-color: var(--border-focus);
}

.website-info h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 2px;
}
.website-info h3 .site-id {
  font-weight: 400;
  color: var(--text-secondary);
  font-size: 13px;
}

.website-info .domain {
  font-size: 13px;
  color: var(--link);
}

.website-info .mcp-status {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 4px;
}
.status-dot.on { background: var(--success); }
.status-dot.off { background: var(--text-muted); }

.website-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

/* ── Buttons ────────────────────────────────────────────── */

.btn {
  padding: 8px 16px;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); color: #fff; text-decoration: none; }

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  text-decoration: none;
}

.btn-danger {
  background: transparent;
  color: var(--text-muted);
}
.btn-danger:hover { color: var(--danger); }

.btn-sm { padding: 6px 12px; font-size: 12px; }

.btn-google {
  background: #fff;
  color: #333;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 500;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.btn-google:hover { background: #f0f0f0; color: #333; text-decoration: none; }
.btn-google img { width: 20px; height: 20px; }

/* ── Forms ──────────────────────────────────────────────── */

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s;
}
.form-input:focus {
  border-color: var(--border-focus);
}
.form-input::placeholder {
  color: var(--text-muted);
}

/* ── Modal ──────────────────────────────────────────────── */

.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 1000;
  justify-content: center;
  align-items: center;
}
.modal-overlay.open { display: flex; }

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  width: 100%;
  max-width: 480px;
  margin: 20px;
}

.modal h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--link);
  margin-bottom: 20px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

/* ── Code Block (MCP connection) ────────────────────────── */

.code-block {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 13px;
  color: var(--text-primary);
  word-break: break-all;
  white-space: pre-wrap;
  line-height: 1.6;
}

.btn-copy {
  position: absolute;
  top: 8px;
  right: 8px;
  padding: 4px 10px;
  font-size: 11px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-secondary);
  cursor: pointer;
}
.btn-copy:hover { background: var(--bg-hover); color: var(--text-primary); }
.btn-copy.copied { background: var(--success); color: #000; border-color: var(--success); }

/* ── Flash Messages ─────────────────────────────────────── */

.flash {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 16px;
}
.flash.success { background: rgba(52, 211, 153, 0.12); color: var(--success); border: 1px solid rgba(52, 211, 153, 0.25); }
.flash.error { background: rgba(239, 68, 68, 0.12); color: var(--danger); border: 1px solid rgba(239, 68, 68, 0.25); }

/* ── MCP Connection Sections ────────────────────────────── */

.mcp-section {
  margin-bottom: 20px;
}

.mcp-section-header {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.mcp-section-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 8px;
}

/* ── Connections Table ──────────────────────────────────── */

.conn-table {
  width: 100%;
  border-collapse: collapse;
}
.conn-table th {
  text-align: left;
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
}
.conn-table td {
  padding: 12px;
  font-size: 13px;
  border-bottom: 1px solid var(--border);
}
.conn-table tr:hover td {
  background: var(--bg-hover);
}

.badge {
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}
.badge-on { background: rgba(52,211,153,0.15); color: var(--success); }
.badge-off { background: rgba(106,110,144,0.15); color: var(--text-muted); }
.badge-plan { background: var(--accent-light); color: var(--accent); }

/* ── Login Page ─────────────────────────────────────────── */

.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
}

.login-card {
  text-align: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 48px 40px;
  max-width: 400px;
  width: 100%;
}

.login-card h1 {
  font-size: 28px;
  margin-bottom: 8px;
}

.login-card p {
  color: var(--text-secondary);
  margin-bottom: 32px;
  font-size: 14px;
}

/* ── Verify Status ──────────────────────────────────────── */

.verify-result {
  font-size: 13px;
  margin-top: 8px;
  padding: 8px 12px;
  border-radius: 6px;
  display: none;
}
.verify-result.ok { display: block; background: rgba(52,211,153,0.1); color: var(--success); }
.verify-result.fail { display: block; background: rgba(239,68,68,0.1); color: var(--danger); }

/* ── Responsive ─────────────────────────────────────────── */

@media (max-width: 640px) {
  .app-header { padding: 12px 16px; }
  .nav-tabs { padding: 0 12px; overflow-x: auto; }
  .nav-tab { padding: 10px 14px; font-size: 13px; white-space: nowrap; }
  .main-content { padding: 16px; }
  .website-item { flex-direction: column; align-items: flex-start; gap: 12px; }
  .website-actions { width: 100%; }
  .modal { padding: 20px; margin: 12px; }
}