/* ============================================
   MDI Generator — Shared Components
   Used by both index.html and app.html
   ============================================ */

/* ─── Midnight Banner ─────────────────────── */
.midnight-banner {
  background: linear-gradient(90deg, #4c1d95, #6d28d9 40%, #7c3aed 60%, #4c1d95);
  padding: 8px 16px;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  color: #e9d5ff;
}

.midnight-banner a {
  color: #fbbf24;
  text-decoration: none;
  font-weight: 700;
}

.midnight-banner a:hover { text-decoration: underline; }

[data-theme="midnight"] .midnight-banner {
  background: linear-gradient(90deg, #1a0a2e, #2d1b69 40%, #3b2082 60%, #1a0a2e);
}

/* ─── Header ──────────────────────────────── */
header {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  background: rgba(10, 14, 19, 0.8);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
}

[data-theme="midnight"] header {
  background: rgba(13,10,20,.9);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 24px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--success));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-decoration: none;
  white-space: nowrap;
}

[data-theme="midnight"] .logo {
  background: linear-gradient(135deg, #a78bfa, #f7b90a);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 24px;
}

nav {
  display: flex;
  gap: 28px;
  align-items: center;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

nav a:hover { color: var(--accent); }

[data-theme="midnight"] nav a:hover {
  color: var(--gold-light);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Header button sizing */
header .btn {
  padding: 12px 28px;
  font-size: 15px;
  border-radius: 12px;
}

/* ─── Theme Toggle ────────────────────────── */
.theme-toggle {
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--muted);
  transition: all .2s;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--text);
}

.theme-toggle.active {
  background: linear-gradient(135deg, #7c3aed, #6d28d9);
  border-color: #7c3aed;
  color: #fff;
}

/* ─── Language Switch ─────────────────────── */
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 3px;
}

.lang-btn {
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
  border: none;
  background: transparent;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.lang-btn.active { background: var(--accent); color: #fff; }
.lang-btn:hover:not(.active) { color: var(--text); }

/* ─── Buy Me a Coffee ─────────────────────── */
.bmc-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 12px;
  background: #FFDD00;
  color: #000;
  font-size: 12px;
  font-weight: 700;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all 0.2s;
  white-space: nowrap;
}

.bmc-link:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(255, 221, 0, 0.3);
}

[data-theme="midnight"] .bmc-link {
  background: linear-gradient(135deg, #f7b90a, #d4a00a);
  color: #0d0a14;
  box-shadow: 0 2px 8px rgba(247,185,10,.2);
}

[data-theme="midnight"] .bmc-link:hover {
  box-shadow: 0 4px 16px rgba(247,185,10,.35);
}

/* ─── Buttons ─────────────────────────────── */
.btn {
  cursor: pointer;
  padding: 10px 22px;
  font-weight: 600;
  font-size: 14px;
  background: var(--panel);
  border: 1px solid var(--border);
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: var(--radius-md);
  color: var(--text);
  text-decoration: none;
  font-family: inherit;
  line-height: 1.2;
}

.btn:hover:not(:disabled) {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--accent-glow);
}

.btn:disabled { opacity: .5; cursor: not-allowed; }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #4c8fe6);
  border-color: var(--accent);
  color: #fff;
}

.btn-primary:hover:not(:disabled) {
  box-shadow: 0 6px 20px var(--accent-glow);
  filter: brightness(1.1);
}

.btn-success {
  background: linear-gradient(135deg, var(--success), #059669);
  border-color: var(--success);
  color: #fff;
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger), #dc2626);
  border-color: var(--danger);
  color: #fff;
}

.btn-secondary {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover:not(:disabled) { border-color: var(--accent); }

.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-xs { padding: 4px 10px; font-size: 11px; font-weight: 600; }

[data-theme="midnight"] .btn-primary {
  background: linear-gradient(135deg, #7c3aed, #6d28d9);
  border-color: #7c3aed;
}

[data-theme="midnight"] .btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, #8b5cf6, #7c3aed);
  box-shadow: 0 6px 20px rgba(124, 58, 237, .4);
}

[data-theme="midnight"] .btn-success {
  background: linear-gradient(135deg, #f7b90a, #d4a00a);
  border-color: #f7b90a;
  color: #0d0a14;
}

[data-theme="midnight"] .btn:hover:not(:disabled) {
  border-color: #7c3aed;
  box-shadow: 0 4px 12px rgba(124, 58, 237, .2);
}

/* ─── Responsive (shared) ─────────────────── */
@media (max-width: 768px) {
  nav { display: none; }
  .header-controls { gap: 6px; }
  .bmc-link span { display: none; }
  .header-right { gap: 12px; }
  .midnight-banner { font-size: 11px; }
}

@media (max-width: 480px) {
  .header-content { flex-wrap: wrap; gap: 10px; }
}