/* Claude Samlit Edition - Modern Design System */
:root {
  --bg-core: #07090E;
  --bg-surface: rgba(14, 18, 27, 0.7);
  --bg-surface-elevated: rgba(22, 28, 42, 0.85);
  --bg-surface-active: rgba(30, 38, 56, 0.95);
  
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(217, 119, 6, 0.5);
  --border-subtle: rgba(255, 255, 255, 0.04);
  
  --amber-primary: #D97706;
  --amber-warm: #F59E0B;
  --amber-glow: rgba(217, 119, 6, 0.3);
  --amber-soft: rgba(217, 119, 6, 0.12);
  
  --text-pure: #FFFFFF;
  --text-primary: #EDEDF0;
  --text-secondary: #9BA3AF;
  --text-muted: #626A7A;
  
  --accent-emerald: #10B981;
  --accent-coral: #E07A5F;
  --accent-rose: #EF4444;
  
  --ease-smooth: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  
  --font-display: 'Outfit', -apple-system, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, sans-serif;
  --font-code: 'JetBrains Mono', monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--bg-core);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.ambient-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.18;
}
.orb-1 {
  width: 600px;
  height: 600px;
  top: -200px;
  right: -150px;
  background: radial-gradient(circle, #D97706, #E07A5F);
  animation: floatOrb 18s ease-in-out infinite alternate;
}
.orb-2 {
  width: 500px;
  height: 500px;
  bottom: -150px;
  left: -100px;
  background: radial-gradient(circle, #4F46E5, #3B82F6);
  animation: floatOrb 22s ease-in-out infinite alternate-reverse;
}
.orb-3 {
  width: 350px;
  height: 350px;
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, #D97706, transparent);
  opacity: 0.08;
}

@keyframes floatOrb {
  0% { transform: translateY(0) scale(1); }
  100% { transform: translateY(50px) scale(1.08); }
}

.app-shell {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
}

.navbar {
  height: 62px;
  background: rgba(10, 13, 20, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  gap: 16px;
  flex-shrink: 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-avatar-wrap {
  width: 38px;
  height: 38px;
}

.brand-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 10px;
  box-shadow: 0 4px 14px var(--amber-glow);
  transition: transform 0.3s var(--ease-bounce);
}
.brand-avatar-wrap:hover .brand-avatar-img {
  transform: scale(1.06) rotate(3deg);
}

.brand-heading {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.2;
}

.brand-primary {
  color: var(--text-pure);
}

.brand-edition {
  background: linear-gradient(135deg, #F59E0B, #FBBF24);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-badge-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 2px;
}

.pill-badge {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #6EE7B7;
  font-size: 9px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 4px;
  letter-spacing: 0.5px;
}

.online-indicator {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: var(--text-muted);
}

.dot-pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.6);
}

.segmented-control {
  display: flex;
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid var(--border-glass);
  padding: 3px;
  border-radius: 24px;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.3);
}

.seg-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: 20px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s var(--ease-smooth);
}

.seg-btn:hover {
  color: var(--text-pure);
}

.seg-btn.active {
  background: linear-gradient(135deg, #D97706, #E07A5F);
  color: #FFF;
  box-shadow: 0 2px 12px var(--amber-glow);
  transform: scale(1.02);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.action-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 34px;
  padding: 0 12px;
  border-radius: 8px;
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s var(--ease-smooth);
}

.action-btn:hover {
  background: var(--bg-surface-elevated);
  border-color: rgba(255, 255, 255, 0.18);
  color: var(--text-pure);
  transform: translateY(-1px);
}

.btn-exit:hover {
  background: rgba(239, 68, 68, 0.2);
  border-color: rgba(239, 68, 68, 0.4);
  color: #FCA5A5;
}

.view-panel {
  display: none;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}
.view-panel.active {
  display: flex;
  flex-direction: column;
}

/* CHAT VIEWPORT */
.chat-viewport {
  flex: 1;
  display: flex;
  flex-direction: column;
  max-width: 920px;
  width: 100%;
  margin: 0 auto;
  min-height: 0;
  padding: 0 16px;
}

.messages-flow {
  flex: 1;
  overflow-y: auto;
  padding: 24px 0;
  display: flex;
  flex-direction: column;
  gap: 24px;
  scroll-behavior: smooth;
}

.messages-flow::-webkit-scrollbar {
  width: 6px;
}
.messages-flow::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}

.hero-welcome {
  text-align: center;
  padding: 36px 20px 24px 20px;
  background: linear-gradient(180deg, rgba(20, 26, 38, 0.6) 0%, rgba(10, 13, 20, 0.3) 100%);
  border: 1px solid var(--border-glass);
  border-radius: 24px;
  backdrop-filter: blur(12px);
  margin-top: 10px;
  animation: heroIn 0.5s var(--ease-smooth);
}

@keyframes heroIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-avatar-halo {
  width: 72px;
  height: 72px;
  margin: 0 auto 16px auto;
}

.hero-avatar {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 20px;
  box-shadow: 0 8px 30px var(--amber-glow);
}

.hero-title {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  color: var(--text-pure);
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}

.hero-subtitle {
  font-size: 14.5px;
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0 auto 28px auto;
  line-height: 1.6;
}

.hero-subtitle kbd {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 5px;
  padding: 2px 6px;
  font-family: var(--font-code);
  font-size: 11px;
  color: #FBBF24;
}

.prompt-suggestions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  max-width: 700px;
  margin: 0 auto;
  text-align: left;
}

.suggestion-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(16, 21, 31, 0.7);
  border: 1px solid var(--border-glass);
  padding: 14px 16px;
  border-radius: 14px;
  cursor: pointer;
  transition: all 0.25s var(--ease-smooth);
}

.suggestion-card:hover {
  background: var(--bg-surface-active);
  border-color: var(--border-focus);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.sug-icon {
  font-size: 22px;
  flex-shrink: 0;
}

.sug-title {
  font-family: var(--font-display);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-pure);
}

.sug-desc {
  font-size: 11.5px;
  color: var(--text-muted);
}

/* Chat Message Bubbles */
.msg-bubble {
  display: flex;
  gap: 14px;
  max-width: 100%;
  animation: messageIn 0.35s var(--ease-smooth);
}

@keyframes messageIn {
  from { opacity: 0; transform: translateY(12px) scale(0.99); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.msg-bubble.user {
  flex-direction: row-reverse;
}

.msg-avatar-wrap {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.msg-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 10px;
  box-shadow: 0 4px 12px var(--amber-glow);
}

.msg-avatar-user {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: #374151;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.msg-content-card {
  max-width: 85%;
  background: rgba(16, 21, 31, 0.85);
  border: 1px solid var(--border-glass);
  border-radius: 18px;
  padding: 16px 20px;
  color: var(--text-primary);
  word-break: break-word;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.msg-bubble.user .msg-content-card {
  background: linear-gradient(135deg, rgba(217, 119, 6, 0.2) 0%, rgba(217, 119, 6, 0.1) 100%);
  border-color: rgba(217, 119, 6, 0.35);
  color: var(--text-pure);
}

.msg-attached-img {
  max-width: 320px;
  max-height: 220px;
  border-radius: 10px;
  margin-bottom: 12px;
  border: 1px solid var(--border-glass);
  display: block;
}

/* Markdown Styling */
.msg-content-card h1, .msg-content-card h2, .msg-content-card h3 {
  font-family: var(--font-display);
  color: var(--text-pure);
  margin: 14px 0 8px 0;
}
.msg-content-card p {
  margin-bottom: 10px;
}
.msg-content-card p:last-child {
  margin-bottom: 0;
}
.msg-content-card ul, .msg-content-card ol {
  padding-left: 22px;
  margin-bottom: 10px;
}
.msg-content-card li {
  margin-bottom: 4px;
}
.msg-content-card code:not(pre code) {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 2px 6px;
  border-radius: 5px;
  font-family: var(--font-code);
  font-size: 13px;
  color: #FBBF24;
}

.code-wrapper {
  position: relative;
  background: #06080D;
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  margin: 14px 0;
  overflow: hidden;
}

.code-bar {
  height: 34px;
  background: rgba(255, 255, 255, 0.03);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px;
  border-bottom: 1px solid var(--border-subtle);
  font-family: var(--font-code);
  font-size: 11.5px;
  color: var(--text-muted);
}

.btn-copy-code {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
}
.btn-copy-code:hover { color: var(--text-pure); }

.code-wrapper pre {
  padding: 14px;
  overflow-x: auto;
  font-family: var(--font-code);
  font-size: 13px;
  line-height: 1.6;
}

.wave-loader {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: var(--amber-soft);
  border: 1px solid rgba(217, 119, 6, 0.25);
  border-radius: 10px;
  font-size: 13px;
  color: #FBBF24;
}

.wave-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #FBBF24;
  animation: wavePulse 1.4s infinite ease-in-out both;
}
.wave-dot:nth-child(1) { animation-delay: -0.32s; }
.wave-dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes wavePulse {
  0%, 80%, 100% { transform: scale(0); opacity: 0.4; }
  40% { transform: scale(1.1); opacity: 1; }
}

/* AI CONTROLS BAR */
.input-dock {
  padding: 8px 0 16px 0;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ai-controls-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 4px 6px;
  flex-wrap: wrap;
}

.control-group {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(14, 18, 27, 0.6);
  border: 1px solid var(--border-glass);
  padding: 4px 10px;
  border-radius: 20px;
  backdrop-filter: blur(10px);
}

.control-label {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-muted);
  font-family: var(--font-display);
}

.custom-select-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.ai-select {
  background: transparent;
  border: none;
  color: #FBBF24;
  font-family: var(--font-display);
  font-size: 12.5px;
  font-weight: 600;
  outline: none;
  cursor: pointer;
  padding-right: 4px;
}

.ai-select option {
  background: #0B0E14;
  color: #ECEFF4;
}

.reasoning-select {
  color: #6EE7B7;
}

.image-chip {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-focus);
  padding: 8px 12px;
  border-radius: 12px;
  animation: heroIn 0.25s var(--ease-smooth);
}

.chip-thumb-wrap img {
  width: 44px;
  height: 44px;
  object-fit: cover;
  border-radius: 8px;
}

.chip-meta { flex: 1; display: flex; flex-direction: column; }
.chip-filename { font-size: 13px; font-weight: 600; color: var(--text-pure); }
.chip-status { font-size: 11px; color: var(--text-muted); }
.chip-close-btn { background: transparent; border: none; color: var(--text-muted); font-size: 22px; cursor: pointer; }
.chip-close-btn:hover { color: var(--accent-rose); }

.composer-card {
  display: flex;
  align-items: flex-end;
  background: rgba(16, 21, 31, 0.85);
  border: 1px solid var(--border-glass);
  border-radius: 18px;
  padding: 8px 12px;
  gap: 10px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  transition: all 0.25s var(--ease-smooth);
}

.composer-card:focus-within {
  border-color: var(--amber-primary);
  box-shadow: 0 8px 32px var(--amber-glow);
  background: rgba(20, 26, 38, 0.95);
}

.btn-composer-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s var(--ease-smooth);
  flex-shrink: 0;
}
.btn-composer-icon:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-pure);
}

.composer-card textarea {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-pure);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  resize: none;
  max-height: 180px;
  outline: none;
  padding: 8px 0;
}
.composer-card textarea::placeholder {
  color: var(--text-muted);
}

.btn-composer-send {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, #D97706, #E07A5F);
  border: none;
  color: #FFF;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.2s var(--ease-bounce);
  box-shadow: 0 4px 14px var(--amber-glow);
}
.btn-composer-send:hover {
  transform: scale(1.08);
  filter: brightness(1.1);
}
.btn-composer-send:active { transform: scale(0.96); }

/* TERMINAL VIEW */
.terminal-stage {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 12px 16px 6px 16px;
  min-height: 0;
}

.terminal-window {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: #080A0F;
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6);
  min-height: 0;
  cursor: text;
}

.term-chrome {
  height: 36px;
  background: rgba(18, 22, 33, 0.9);
  border-bottom: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px;
  flex-shrink: 0;
}

.traffic-lights { display: flex; gap: 6px; }
.light { width: 10px; height: 10px; border-radius: 50%; }
.light.red { background: #FF5F56; }
.light.yellow { background: #FFBD2E; }
.light.green { background: #27C93F; }

.term-address {
  font-family: var(--font-code);
  font-size: 11.5px;
  color: var(--text-muted);
}

.term-action-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  font-size: 11.5px;
  padding: 3px 8px;
  border-radius: 6px;
  cursor: pointer;
}
.term-action-btn:hover {
  color: var(--text-pure);
  border-color: rgba(255,255,255,0.2);
}

.term-screen {
  flex: 1;
  background: #080A0F;
  padding: 8px;
  min-height: 0;
  overflow: hidden;
  outline: none;
}

.command-ribbon {
  height: 48px;
  display: flex;
  align-items: center;
  padding: 0 4px;
  flex-shrink: 0;
}

.ribbon-scroll {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  width: 100%;
}
.ribbon-scroll::-webkit-scrollbar { display: none; }

.ribbon-chip {
  display: inline-flex;
  align-items: center;
  height: 30px;
  padding: 0 12px;
  border-radius: 15px;
  font-size: 12px;
  font-family: var(--font-code);
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s var(--ease-smooth);
  border: 1px solid var(--border-glass);
  outline: none;
}
.ribbon-chip.action {
  background: var(--amber-soft);
  color: #FBBF24;
  border-color: rgba(217, 119, 6, 0.3);
}
.ribbon-chip.action:hover {
  background: rgba(217, 119, 6, 0.25);
  color: #FFF;
  transform: translateY(-1px);
}
.ribbon-chip.key {
  background: var(--bg-surface);
  color: var(--text-secondary);
}
.ribbon-chip.key:hover {
  background: var(--bg-surface-elevated);
  color: #FFF;
}

.drop-overlay {
  position: fixed;
  inset: 0;
  background: rgba(7, 9, 14, 0.88);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s var(--ease-smooth);
}
.drop-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.drop-card {
  text-align: center;
  border: 2px dashed var(--amber-primary);
  border-radius: 24px;
  padding: 48px;
  background: rgba(217, 119, 6, 0.05);
  box-shadow: 0 0 50px var(--amber-glow);
}
.drop-icon { font-size: 48px; margin-bottom: 12px; }
.drop-card h3 { font-family: var(--font-display); font-size: 20px; color: #FFF; margin-bottom: 4px; }
.drop-card p { font-size: 13px; color: var(--text-secondary); }

/* PIN MODAL */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(4, 6, 10, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease-smooth);
  padding: 16px;
}
.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.auth-vault-card {
  width: 100%;
  max-width: 360px;
  background: linear-gradient(180deg, rgba(22, 28, 42, 0.9) 0%, rgba(12, 16, 24, 0.95) 100%);
  border: 1px solid var(--border-glass);
  border-radius: 28px;
  padding: 32px 24px 28px 24px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 40px var(--amber-glow);
  text-align: center;
  animation: modalPop 0.4s var(--ease-bounce);
}

@keyframes modalPop {
  from { opacity: 0; transform: scale(0.92) translateY(20px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.vault-avatar-wrap {
  width: 64px;
  height: 64px;
  margin: 0 auto 14px auto;
}

.vault-avatar {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 18px;
  box-shadow: 0 8px 24px var(--amber-glow);
}

.vault-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--text-pure);
  margin-bottom: 2px;
}

.vault-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.pin-constellation {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 24px;
}

.constellation-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1.5px solid rgba(255, 255, 255, 0.2);
  transition: all 0.25s var(--ease-bounce);
}

.constellation-dot.filled {
  background: linear-gradient(135deg, #F59E0B, #D97706);
  border-color: #FBBF24;
  box-shadow: 0 0 14px var(--amber-glow);
  transform: scale(1.25);
}

.tactile-numpad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  max-width: 250px;
  margin: 0 auto;
}

.num-key {
  height: 54px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--text-pure);
  cursor: pointer;
  transition: all 0.15s var(--ease-smooth);
}

.num-key:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

.num-key:active {
  background: var(--amber-primary);
  transform: scale(0.94);
}

.num-key.fn-key {
  font-size: 16px;
  color: var(--text-secondary);
}

.auth-error-banner {
  color: var(--accent-rose);
  font-size: 12.5px;
  margin-top: 14px;
  min-height: 18px;
}

.shake {
  animation: shakeEffect 0.4s ease-in-out;
}

@keyframes shakeEffect {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-8px); }
  40%, 80% { transform: translateX(8px); }
}

/* Dialog Cards */
.dialog-card {
  width: 100%;
  max-width: 540px;
  background: rgba(16, 21, 31, 0.95);
  border: 1px solid var(--border-glass);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8);
}
.dialog-card.files-dialog { max-width: 900px; height: 80vh; display: flex; flex-direction: column; }

.dialog-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.dialog-header h3 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-pure);
}

.dialog-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 24px;
  cursor: pointer;
}
.dialog-close:hover { color: var(--text-pure); }

.dialog-split-body { flex: 1; display: flex; min-height: 0; }
.files-sidebar { width: 300px; border-right: 1px solid var(--border-glass); display: flex; flex-direction: column; background: rgba(10, 13, 20, 0.5); }
.files-subhead { padding: 10px 14px; border-bottom: 1px solid var(--border-glass); }
.files-tree { flex: 1; overflow-y: auto; padding: 10px; }
.tree-item { display: flex; align-items: center; gap: 8px; padding: 8px 10px; border-radius: 8px; cursor: pointer; font-size: 13px; color: var(--text-secondary); }
.tree-item:hover { background: rgba(255,255,255,0.06); color: var(--text-pure); }
.tree-item.active { background: var(--amber-soft); color: #FBBF24; font-weight: 600; }

.files-editor-preview { flex: 1; display: flex; flex-direction: column; min-height: 0; background: #06080D; }
.editor-header { height: 42px; padding: 0 16px; border-bottom: 1px solid var(--border-glass); display: flex; align-items: center; justify-content: space-between; font-family: var(--font-code); font-size: 12px; color: var(--text-muted); }
.editor-code { flex: 1; overflow: auto; padding: 16px; font-family: var(--font-code); font-size: 12px; line-height: 1.6; color: #E5E7EB; }

.btn-dialog-sm {
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
}

@media (max-width: 768px) {
  .navbar { padding: 0 12px; }
  .brand-edition { display: none; }
  .pill-badge { display: none; }
  .btn-caption { display: none; }
  .prompt-suggestions { grid-template-columns: 1fr; }
  .dialog-split-body { flex-direction: column; }
  .files-sidebar { width: 100%; height: 180px; border-right: none; border-bottom: 1px solid var(--border-glass); }
}