/* ===== BLOXD CODE GENERATOR - GLOBAL STYLES ===== */
/* Based on bloxdport-main styles */

@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&family=Rajdhani:wght@400;500;600;700&family=Share+Tech+Mono&display=swap');

/* ─── CSS Variables ─── */
:root {
  --font-pixel: 'Press Start 2P', monospace;
  --font-body: 'Rajdhani', sans-serif;
  --font-mono: 'Share Tech Mono', monospace;

  /* Light mode (default dark for this app) */
  --bg-primary: #0a0a0f;
  --bg-secondary: #111118;
  --bg-card: #16161f;
  --bg-card-hover: #1e1e2a;
  --bg-input: #1e1e2a;
  --border: #2a2a3a;
  --border-accent: #22c55e;
  --text-primary: #e8e8f0;
  --text-secondary: #a0a0b8;
  --text-muted: #606078;
  --neon-green: #22c55e;
  --neon-cyan: #06b6d4;
  --neon-purple: #a855f7;
  --neon-orange: #f97316;
  --neon-yellow: #eab308;
  --btn-primary: #22c55e;
  --btn-primary-hover: #16a34a;
  --btn-primary-text: #000000;
  --btn-danger: #ef4444;
  --input-bg: #1e1e2a;
  --input-border: #2a2a3a;
  --input-focus: #22c55e;
  --shadow: 0 4px 30px rgba(0,0,0,0.5);
  --shadow-neon: 0 0 30px rgba(34,197,94,0.4), 0 0 60px rgba(34,197,94,0.1);
  --scrollbar-thumb: #2a2a3a;
  --nav-bg: rgba(10,10,15,0.95);
  --overlay: rgba(10,10,15,0.85);
}

/* ─── Reset & Base ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--neon-green); }

/* ─── App Wrapper ─── */
.app-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ─── Navbar ─── */
.navbar {
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav-brand {
  font-family: var(--font-pixel);
  font-size: 0.65rem;
  color: var(--neon-green);
  text-shadow: 0 0 10px rgba(34,197,94,0.6);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-brand .accent { color: var(--neon-cyan); }

.nav-links {
  display: flex;
  gap: 0.25rem;
}

.nav-link {
  font-family: var(--font-pixel);
  font-size: 0.4rem;
  padding: 0.5rem 1rem;
  color: var(--text-muted);
  text-decoration: none;
  border-bottom: 3px solid transparent;
  transition: all 0.15s;
  letter-spacing: 0.05em;
}

.nav-link:hover { color: var(--neon-green); }
.nav-link.active {
  color: var(--neon-green);
  border-bottom-color: var(--neon-green);
  text-shadow: 0 0 8px rgba(34,197,94,0.5);
}

.nav-user {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.coin-display {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--bg-card);
  border: 2px solid var(--neon-yellow);
  border-radius: 4px;
  padding: 0.3rem 0.75rem;
  font-family: var(--font-pixel);
  font-size: 0.45rem;
  color: var(--neon-yellow);
  box-shadow: 0 0 10px rgba(234,179,8,0.2);
}

.coin-icon { font-size: 0.85rem; }

/* ─── Buttons ─── */
.btn {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  padding: 0.6rem 1.4rem;
  border: 2px solid transparent;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.btn-primary {
  background: var(--btn-primary);
  color: var(--btn-primary-text);
  border-color: var(--btn-primary);
  box-shadow: 0 0 10px rgba(34,197,94,0.3);
}

.btn-primary:hover {
  background: var(--btn-primary-hover);
  border-color: var(--btn-primary-hover);
  box-shadow: var(--shadow-neon);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border);
}

.btn-secondary:hover {
  border-color: var(--neon-green);
  color: var(--neon-green);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border);
}

.btn-outline:hover {
  background: var(--bg-hover);
  border-color: var(--neon-green);
  color: var(--neon-green);
}

.btn-sm { padding: 0.35rem 0.85rem; font-size: 0.8rem; }
.btn-lg { padding: 0.85rem 2rem; font-size: 1.1rem; }
.btn-full { width: 100%; justify-content: center; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

/* ─── Main Content ─── */
.main-content {
  flex: 1;
  padding: 2rem 1.5rem;
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
}

/* ─── Page ─── */
.page {
  display: none;
}
.page.active { display: block; }

/* ─── Generator ─── */
.generator-container {
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: 8px;
  padding: 2rem;
}

.generator-header {
  text-align: center;
  margin-bottom: 2rem;
}

.generator-header h1 {
  font-family: var(--font-pixel);
  font-size: 0.8rem;
  color: var(--neon-green);
  margin-bottom: 0.5rem;
}

.generator-header p {
  color: var(--text-secondary);
  font-size: 1rem;
}

/* ─── Forms ─── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.form-label {
  font-family: var(--font-pixel);
  font-size: 0.4rem;
  color: var(--text-secondary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.form-input, .form-textarea, .form-select {
  background: var(--input-bg);
  border: 2px solid var(--input-border);
  border-radius: 4px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.65rem 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  width: 100%;
}

.form-textarea {
  resize: vertical;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  min-height: 120px;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--input-focus);
  box-shadow: 0 0 0 3px rgba(34,197,94,0.15);
}

.form-input::placeholder, .form-textarea::placeholder {
  color: var(--text-muted);
}

/* ─── Options Row ─── */
.options-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.option-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.cost-display {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-input);
  border: 2px solid var(--neon-yellow);
  border-radius: 4px;
  padding: 0.5rem 1rem;
  font-weight: 700;
}

.cost-label {
  font-family: var(--font-pixel);
  font-size: 0.35rem;
  color: var(--text-secondary);
}

.cost-value {
  font-size: 1.25rem;
  color: var(--neon-yellow);
  font-family: var(--font-pixel);
}

/* ─── Cards ─── */
.card {
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.card:hover { border-color: var(--border-accent); }
.card-neon {
  border-color: var(--neon-green);
  box-shadow: 0 0 15px rgba(34,197,94,0.2);
}

/* ─── Result Section ─── */
.result-section {
  margin-top: 1.5rem;
  border: 2px solid var(--neon-green);
  box-shadow: 0 0 15px rgba(34,197,94,0.2);
}

.result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.result-header h3 {
  font-family: var(--font-pixel);
  font-size: 0.45rem;
  color: var(--neon-green);
}

.result-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.code-type-badge {
  padding: 0.2rem 0.6rem;
  background: rgba(34,197,94,0.15);
  color: var(--neon-green);
  border: 1px solid rgba(34,197,94,0.3);
  border-radius: 3px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.code-output {
  background: var(--bg-primary);
  border: 2px solid var(--border);
  padding: 1rem;
  border-radius: 4px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.5;
  color: #e2e8f0;
  white-space: pre-wrap;
  word-wrap: break-word;
  max-height: 400px;
  overflow-y: auto;
}

.cost-info {
  display: flex;
  gap: 1.5rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.cost-info strong {
  color: var(--text-primary);
}

/* ─── Debug Section ─── */
.debug-toggle { margin-top: 1rem; }

.debug-section {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--bg-input);
  border-radius: 4px;
  border: 2px solid var(--warning);
}

.debug-section h3 {
  font-family: var(--font-pixel);
  font-size: 0.4rem;
  color: var(--neon-yellow);
  margin-bottom: 0.75rem;
}

/* ─── Loading State ─── */
.loading-state {
  text-align: center;
  padding: 3rem 1.5rem;
}

.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--border);
  border-top-color: var(--neon-green);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 1rem;
}

@keyframes spin { to { transform: rotate(360deg); } }

.loading-detail {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ─── Modal ─── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--overlay);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  animation: fadeIn 0.15s ease;
}

.modal {
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  max-width: 420px;
  width: 100%;
  box-shadow: var(--shadow);
  animation: slideUp 0.2s ease;
  position: relative;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

.modal-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

.modal-close:hover { color: var(--text-primary); }

.modal h3 {
  font-family: var(--font-pixel);
  font-size: 0.55rem;
  color: var(--neon-green);
  margin-bottom: 0.75rem;
}

.modal p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.modal-buttons {
  display: flex;
  gap: 0.75rem;
}

.modal-buttons .btn { flex: 1; }

/* ─── Auth Tabs ─── */
.auth-tabs {
  display: flex;
  margin-bottom: 1.5rem;
  border-bottom: 2px solid var(--border);
}

.auth-tab {
  flex: 1;
  padding: 0.75rem;
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-pixel);
  font-size: 0.4rem;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: all 0.2s;
}

.auth-tab.active {
  color: var(--neon-green);
  border-bottom-color: var(--neon-green);
}

.auth-note {
  text-align: center;
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ─── History ─── */
.history-container h2 {
  font-family: var(--font-pixel);
  font-size: 0.6rem;
  color: var(--neon-green);
  margin-bottom: 1.5rem;
}

.history-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.history-item {
  background: var(--bg-card);
  padding: 1rem;
  border-radius: 8px;
  border: 2px solid var(--border);
  cursor: pointer;
  transition: all 0.2s;
}

.history-item:hover {
  border-color: var(--neon-green);
}

.history-item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.history-item-prompt {
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: 0.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.history-item-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.history-item-code {
  display: none;
  margin-top: 0.75rem;
  padding: 0.75rem;
  background: var(--bg-primary);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  white-space: pre-wrap;
}

.history-item.expanded .history-item-code { display: block; }

/* ─── Profile ─── */
.profile-container {
  max-width: 500px;
  margin: 0 auto;
}

.profile-card {
  background: var(--bg-card);
  border-radius: 8px;
  padding: 2rem;
  border: 2px solid var(--border);
}

.profile-header {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.avatar {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--neon-green), var(--neon-cyan));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-pixel);
  font-size: 1.25rem;
  color: white;
}

.profile-info h2 {
  font-family: var(--font-pixel);
  font-size: 0.6rem;
  margin-bottom: 0.25rem;
}

.profile-info p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.profile-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--bg-input);
  padding: 1.25rem;
  border-radius: 4px;
  text-align: center;
  border: 2px solid var(--border);
}

.stat-icon {
  font-size: 1.5rem;
  display: block;
  margin-bottom: 0.5rem;
}

.stat-value {
  font-family: var(--font-pixel);
  font-size: 0.7rem;
  display: block;
  margin-bottom: 0.25rem;
  color: var(--neon-green);
}

.stat-label {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.promo-section h3 {
  font-family: var(--font-pixel);
  font-size: 0.45rem;
  margin-bottom: 1rem;
  color: var(--neon-green);
}

.promo-input {
  display: flex;
  gap: 0.75rem;
}

.promo-input input { flex: 1; }

/* ─── Tabs ─── */
.tabs {
  display: flex;
  border-bottom: 2px solid var(--border);
  margin-bottom: 2rem;
  gap: 0;
}

.tab {
  font-family: var(--font-pixel);
  font-size: 0.4rem;
  padding: 0.75rem 1.5rem;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  color: var(--text-muted);
  transition: all 0.15s;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  margin-bottom: -2px;
  letter-spacing: 0.05em;
}

.tab:hover { color: var(--neon-green); }
.tab.active {
  color: var(--neon-green);
  border-bottom-color: var(--neon-green);
}

/* ─── Badge ─── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.badge-green { background: rgba(34,197,94,0.15); color: var(--neon-green); border: 1px solid rgba(34,197,94,0.3); }
.badge-cyan { background: rgba(6,182,212,0.15); color: var(--neon-cyan); border: 1px solid rgba(6,182,212,0.3); }
.badge-purple { background: rgba(168,85,247,0.15); color: var(--neon-purple); border: 1px solid rgba(168,85,247,0.3); }
.badge-yellow { background: rgba(234,179,8,0.15); color: var(--neon-yellow); border: 1px solid rgba(234,179,8,0.3); }

/* ─── Toast ─── */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  z-index: 1100;
}

.toast {
  padding: 0.875rem 1.25rem;
  background: var(--bg-card);
  border-radius: 4px;
  border: 2px solid var(--border);
  box-shadow: var(--shadow-lg);
  animation: slideIn 0.3s ease;
  max-width: 320px;
  font-size: 0.9rem;
}

.toast.success { border-color: var(--neon-green); color: var(--neon-green); }
.toast.error { border-color: var(--btn-danger); color: var(--btn-danger); }
.toast.warning { border-color: var(--neon-yellow); color: var(--neon-yellow); }

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

/* ─── Model Download Progress Bar ─── */
.model-status-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem;
  background: var(--bg-card);
  border: 2px solid var(--neon-cyan);
  border-radius: 4px;
  margin-top: 0.5rem;
}

.model-status-content .model-status-text {
  color: var(--neon-cyan);
  font-size: 0.875rem;
}

.progress-bar {
  width: 100%;
  height: 12px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-green));
  border-radius: 6px;
  transition: width 0.3s ease;
  animation: progressPulse 1.5s ease-in-out infinite;
}

@keyframes progressPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.progress-percent {
  font-family: var(--font-mono);
  color: var(--neon-green);
  font-size: 1rem;
}

/* ─── Section Header ─── */
.section-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.section-header h2 {
  font-family: var(--font-pixel);
  font-size: 0.55rem;
  color: var(--neon-green);
}

.section-divider {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--neon-green), transparent);
}

/* ─── Responsive ─── */
@media (max-width: 640px) {
  .navbar { padding: 0.6rem 1rem; }
  .nav-links { display: none; }
  .main-content { padding: 1rem; }
  .generator-container { padding: 1.25rem; }
  .options-row { flex-direction: column; align-items: stretch; }
  .cost-display { justify-content: center; }
  .result-header { flex-direction: column; align-items: flex-start; }
  .modal { padding: 1.5rem; }
}

/* ─── Utilities ─── */
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.gap-1 { gap: 0.5rem; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.flex-1 { flex: 1; }
.w-full { width: 100%; }
.hidden { display: none; }

/* ─── Main Layout with Sidebar ─── */
.main-layout {
  display: flex;
  flex: 1;
  min-height: calc(100vh - 60px);
}

/* ─── Sidebar ─── */
.sidebar {
  width: 260px;
  background: var(--bg-secondary);
  border-right: 2px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.sidebar-header {
  padding: 1rem;
  border-bottom: 2px solid var(--border);
}

.chat-list {
  flex: 1;
  overflow-y: auto;
  padding: 0.5rem;
}

.chat-item {
  padding: 0.75rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  margin-bottom: 0.25rem;
  transition: all 0.15s;
  border: 2px solid transparent;
}

.chat-item:hover {
  background: var(--bg-card-hover);
  border-color: var(--border);
}

.chat-item.active {
  background: var(--bg-card);
  border-color: var(--neon-green);
}

.chat-item-title {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-item-date {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.no-chats {
  text-align: center;
  color: var(--text-muted);
  padding: 2rem 1rem;
  font-size: 0.85rem;
}

/* ─── Chat Main Area ─── */
.chat-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.chat-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
  padding: 1rem;
}

/* ─── No Chat Selected ─── */
.no-chat-selected {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.welcome-content {
  text-align: center;
  padding: 2rem;
}

.welcome-content h1 {
  font-family: var(--font-pixel);
  font-size: 0.7rem;
  color: var(--neon-green);
  margin-bottom: 0.5rem;
}

.welcome-content p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

/* ─── Chat Header ─── */
.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: 8px;
  margin-bottom: 1rem;
}

.chat-title-area {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.chat-title-area h3 {
  font-family: var(--font-pixel);
  font-size: 0.45rem;
  color: var(--neon-green);
}

/* ─── Chat Messages ─── */
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.chat-message {
  display: flex;
  gap: 0.75rem;
  max-width: 100%;
}

.chat-message.user {
  flex-direction: row-reverse;
}

.message-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  flex-shrink: 0;
}

.chat-message.user .message-avatar {
  background: var(--neon-cyan);
}

.chat-message.assistant .message-avatar {
  background: var(--neon-green);
}

.message-content {
  flex: 1;
  min-width: 0;
}

.message-bubble {
  padding: 0.75rem 1rem;
  border-radius: 12px;
  font-size: 0.95rem;
  line-height: 1.5;
  word-wrap: break-word;
}

.chat-message.user .message-bubble {
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-bottom-right-radius: 4px;
}

.chat-message.assistant .message-bubble {
  background: var(--bg-card);
  border: 2px solid var(--neon-green);
  border-bottom-left-radius: 4px;
}

.message-code {
  margin-top: 0.75rem;
  background: var(--bg-primary);
  border: 2px solid var(--border);
  border-radius: 4px;
  padding: 0.75rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  white-space: pre-wrap;
}

.message-meta {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.5rem;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.message-meta .cost {
  color: var(--neon-yellow);
}

/* ─── Chat Input ─── */
.chat-input-area {
  padding: 1rem;
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: 8px;
  margin-top: 1rem;
}

.chat-input-wrapper {
  display: flex;
  gap: 0.5rem;
  align-items: flex-end;
}

.chat-input {
  flex: 1;
  background: var(--bg-input);
  border: 2px solid var(--input-border);
  border-radius: 4px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.75rem 1rem;
  resize: none;
  min-height: 50px;
  max-height: 200px;
  outline: none;
  transition: border-color 0.2s;
}

.chat-input:focus {
  border-color: var(--input-focus);
}

.send-btn {
  padding: 0.75rem 1rem;
  font-size: 1.25rem;
}

.chat-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

.cost-indicator {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cost-indicator span {
  color: var(--neon-yellow);
  font-family: var(--font-pixel);
  font-size: 0.7rem;
}

.options-group {
  display: flex;
  gap: 0.5rem;
}

.options-group .form-select {
  padding: 0.4rem 0.6rem;
  font-size: 0.8rem;
}

.model-info {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-left: 0.25rem;
}

.model-info.fast {
  color: var(--neon-cyan);
}

.model-info.better {
  color: var(--neon-purple);
}

/* ─── Chat Loading ─── */
.chat-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

/* ─── Responsive Sidebar ─── */
@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    left: -260px;
    top: 60px;
    height: calc(100vh - 60px);
    z-index: 50;
    transition: left 0.3s;
  }
  
  .sidebar.open {
    left: 0;
  }
  
  .main-layout {
    padding-left: 0;
  }
}