/* ==========================================================================
   1C AI Knowledge Assistant — Design System Base Tokens & Utilities
   ========================================================================== */

:root {
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --surface: #1e293b;
  --surface-raised: #283548;
  --surface-hover: #334155;
  --border: #334155;
  --border-subtle: #1e293b;
  --border-focus: #6366f1;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-light: rgba(99, 102, 241, 0.15);
  --primary-glow: rgba(99, 102, 241, 0.35);

  --accent-1c: #f59e0b;
  --accent-1c-hover: #d97706;
  --accent-1c-light: rgba(245, 158, 11, 0.15);

  --success: #10b981;
  --success-light: rgba(16, 185, 129, 0.15);
  --danger: #ef4444;
  --danger-light: rgba(239, 68, 68, 0.15);
  --warning: #f59e0b;
  --info: #38bdf8;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 25px var(--primary-glow);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', 'Courier New', monospace;

  --transition-fast: 150ms ease;
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Project Switcher in Header */
.project-switcher-wrap {
  display: none !important;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 5px 12px;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  transition: all var(--transition-fast);
}
.project-switcher-wrap:hover {
  border-color: var(--primary);
  background: var(--surface-raised);
}
.project-switcher-select {
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 13px;
  font-weight: 500;
  outline: none;
  cursor: pointer;
  padding-right: 4px;
  max-width: 180px;
}
.project-switcher-select option {
  background: var(--surface-raised);
  color: var(--text-main);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ── Typography & Links ─────────────────────────────────────── */
a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover {
  color: #818cf8;
}

h1, h2, h3, h4 {
  color: var(--text-main);
  font-weight: 600;
  line-height: 1.25;
}

/* ── Common Header ─────────────────────────────────────────── */
.app-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(17, 24, 39, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-icon {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--accent-1c), #ea580c);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #fff;
  font-size: 17px;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.4);
}

.brand-title {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
}

.brand-subtitle {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ── User Chip & Badges ────────────────────────────────────── */
.user-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 4px 12px 4px 6px;
  font-size: 13px;
  font-weight: 500;
}

.avatar-circle {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #a855f7);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 600;
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
}
.badge-superadmin {
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.25), rgba(236, 72, 153, 0.25));
  color: #f472b6;
  border: 1px solid rgba(236, 72, 153, 0.5);
  box-shadow: 0 0 10px rgba(236, 72, 153, 0.15);
}
.badge-admin {
  background: rgba(245, 158, 11, 0.2);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.4);
}
.badge-programmer {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(6, 182, 212, 0.2));
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.45);
}
.badge-analyst,
.badge-user {
  background: rgba(99, 102, 241, 0.2);
  color: #a5b4fc;
  border: 1px solid rgba(99, 102, 241, 0.4);
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  font-family: inherit;
}
.btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover:not(:disabled) {
  background: var(--primary-hover);
  box-shadow: 0 0 15px var(--primary-glow);
}

.btn-secondary {
  background: var(--surface);
  color: var(--text-main);
  border-color: var(--border);
}
.btn-secondary:hover:not(:disabled) {
  background: var(--surface-hover);
  border-color: #475569;
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
}
.btn-ghost:hover:not(:disabled) {
  background: var(--surface);
  color: var(--text-main);
}

.btn-danger {
  background: var(--danger-light);
  color: #f87171;
  border-color: rgba(239, 68, 68, 0.4);
}
.btn-danger:hover:not(:disabled) {
  background: var(--danger);
  color: #fff;
}

.btn-sm {
  padding: 5px 10px;
  font-size: 12px;
}
.btn-lg {
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
}

/* ── Form Inputs ───────────────────────────────────────────── */
.input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
  text-align: left;
}
.input-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
}
.input-field {
  width: 100%;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font-size: 14px;
  color: var(--text-main);
  font-family: inherit;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.input-field:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}
.input-field::placeholder {
  color: var(--text-dim);
}

/* ── Cards & Surfaces ──────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

/* ── Toast Notifications ───────────────────────────────────── */
#toastContainer {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 100;
}
.toast {
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  color: var(--text-main);
  font-size: 13px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideInRight 0.25s ease-out;
  max-width: 360px;
}
.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--danger); }
.toast.info { border-left: 4px solid var(--info); }

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}