/* ============================================================
   wxpub — polished self-hosted UI
   No external dependencies, works offline.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --bg: #f7f7f8;
  --surface: #ffffff;
  --surface-2: #fafafa;
  --border: #e2e2e2;
  --border-strong: #cccccc;
  --text: #111111;
  --text-muted: #666666;
  --text-subtle: #999999;
  --primary: #000000;
  --primary-hover: #333333;
  --primary-soft: #f0f0f0;
  --success: #007aff;
  --success-soft: #e5f1ff;
  --danger: #ff3b30;
  --danger-soft: #ffeceb;
  --warn: #ff9500;
  --warn-soft: #fff5e5;
  --code-bg: #f4f4f5;
  --sidebar-bg: #ffffff;
  --sidebar-text: #666666;
  --sidebar-text-strong: #111111;
  --sidebar-active: #f2f2f7;
  --sidebar-active-text: #111111;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.04), 0 1px 3px rgba(0,0,0,0.02);
  --shadow-hover: 0 12px 32px rgba(0,0,0,0.08), 0 4px 8px rgba(0,0,0,0.03);
  --radius: 16px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
}

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

code, pre, .mono {
  font-family: "JetBrains Mono", "Cascadia Code", Consolas, Monaco, monospace;
  font-size: 13px;
}

/* ============================================================
   Layout: sidebar + main
   ============================================================ */

body {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  border-right: 1px solid var(--border);
}

.sidebar-brand {
  padding: 28px 24px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, #222, #000);
  color: white;
  font-weight: 700;
  font-size: 15px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.brand-name {
  color: var(--sidebar-text-strong);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.5px;
}

.sidebar-nav {
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.nav-link {
  display: block;
  padding: 10px 14px;
  border-radius: 10px;
  color: var(--sidebar-text);
  font-size: 14px;
  font-weight: 500;
  transition: all 150ms ease;
}
.nav-link:hover {
  background: var(--sidebar-active);
  color: var(--sidebar-text-strong);
  text-decoration: none;
}
.nav-link.active {
  background: var(--primary);
  color: #ffffff;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  transform: translateY(-1px);
}

.sidebar-footer {
  padding: 20px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.user-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--sidebar-text-strong);
}
.user-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  font-weight: 600;
  font-size: 13px;
}
.logout-link {
  color: #9ca3af;
  font-size: 12.5px;
}
.logout-link:hover { color: #fca5a5; text-decoration: none; }
.version-tag {
  color: #6b7280;
  font-size: 11.5px;
  font-family: monospace;
}

.main {
  flex: 1;
  padding: 28px 36px;
  overflow-x: auto;
}
.main-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ============================================================
   Page header
   ============================================================ */

.page-header {
  margin-bottom: 24px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}
.page-title {
  font-size: 22px;
  font-weight: 600;
  margin: 0;
}
.page-subtitle {
  color: var(--text-muted);
  font-size: 13.5px;
  margin-top: 4px;
}

/* ============================================================
   Cards & sections
   ============================================================ */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-md);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover {
  box-shadow: var(--shadow-hover);
}
.card + .card { margin-top: 20px; }
.card-title {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 16px;
  color: var(--text);
  letter-spacing: -0.2px;
}

.grid { display: grid; gap: 14px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }

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

/* ============================================================
   Forms
   ============================================================ */

.form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}
.form-row label {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-muted);
}
.form-row .hint {
  font-size: 11.5px;
  color: var(--text-subtle);
  font-weight: normal;
}

input[type="text"],
input[type="password"],
input[type="email"],
select,
textarea {
  width: 100%;
  padding: 10px 14px;
  font-family: inherit;
  font-size: 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  transition: all 0.2s ease;
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.02);
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,0,0,0.08);
}

/* ============================================================
   Buttons
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 1px 2px rgba(0,0,0,0.03);
}
.btn:hover:not(.disabled) {
  background: var(--surface-2);
  border-color: #999;
}
.btn:active {
  transform: scale(0.97);
}
.btn:disabled, .btn.disabled {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-primary {
  background: var(--primary);
  color: #ffffff;
  border: none;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}
.btn-primary:hover {
  background: var(--primary-hover);
  box-shadow: 0 6px 16px rgba(0,0,0,0.2);
  color: white;
}

.btn-ghost {
  background: var(--surface-2);
  border-color: var(--border);
  color: var(--text);
  box-shadow: none;
}
.btn-ghost:hover { background: #f1f5f9; border-color: var(--border-strong); }

.btn-danger {
  color: var(--danger);
  background: transparent;
  border-color: transparent;
  padding: 6px 12px;
  box-shadow: none;
}
.btn-danger:hover { background: var(--danger-soft); color: #b91c1c; }

.btn-link {
  background: transparent;
  border-color: transparent;
  color: var(--primary);
  padding: 4px 0;
  box-shadow: none;
}
.btn-link:hover { text-decoration: underline; background: transparent; transform: none; }

.btn-row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }

/* Loading Spinner for buttons */
.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  border-top-color: currentColor;
  animation: spin 0.8s ease-in-out infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
.btn-ghost .spinner {
  border: 2px solid rgba(0,0,0,0.1);
  border-top-color: currentColor;
}

/* ============================================================
   Tables
   ============================================================ */

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}
.table th {
  text-align: left;
  font-weight: 500;
  color: var(--text-muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 10px 12px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}
.table td {
  padding: 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: var(--surface-2); }

/* ============================================================
   Badges, alerts
   ============================================================ */

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 500;
  background: var(--code-bg);
  color: var(--text-muted);
}
.badge-success { background: var(--success-soft); color: var(--success); }
.badge-danger  { background: var(--danger-soft);  color: var(--danger); }
.badge-warn    { background: var(--warn-soft);    color: var(--warn); }
.badge-info    { background: var(--primary-soft); color: var(--primary); }

.alert {
  padding: 10px 14px;
  border-radius: 6px;
  margin-bottom: 16px;
  font-size: 13px;
  border: 1px solid transparent;
}
.alert-success { background: var(--success-soft); border-color: #86efac; color: #15803d; }
.alert-danger  { background: var(--danger-soft);  border-color: #fca5a5; color: #b91c1c; }
.alert-info    { background: var(--primary-soft); border-color: #93c5fd; color: #1e40af; }

/* ============================================================
   Stat blocks
   ============================================================ */

.stat-label {
  font-size: 11.5px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}
.stat-value {
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 14px;
  color: var(--text);
  word-break: break-all;
}

/* ============================================================
   Login
   ============================================================ */

.login-card {
  width: 360px;
  background: var(--surface);
  border-radius: 12px;
  padding: 32px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}
.login-card .login-brand {
  text-align: center;
  margin-bottom: 24px;
}
.login-card .login-brand .brand-mark {
  width: 44px;
  height: 44px;
  font-size: 18px;
  margin: 0 auto 10px;
}
.login-card .login-brand .brand-name {
  font-size: 22px;
  color: var(--text);
}
.login-card .login-hint {
  margin-top: 16px;
  text-align: center;
  font-size: 11.5px;
  color: var(--text-subtle);
  line-height: 1.6;
}

/* ============================================================
   Misc
   ============================================================ */

.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-mono { font-family: "JetBrains Mono", Consolas, monospace; }
.text-sm { font-size: 12.5px; }
.text-xs { font-size: 11.5px; }
.mt-0 { margin-top: 0; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.flex { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.w-full { width: 100%; }

.empty {
  text-align: center;
  padding: 40px 0;
  color: var(--text-subtle);
  font-size: 13px;
}

code.inline {
  background: var(--code-bg);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 12.5px;
}

.prompt-box {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 14px;
  margin-top: 10px;
  white-space: pre-wrap;
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text);
}