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

:root {
  --blue-900: #0a2540;
  --blue-700: #1565c0;
  --blue-600: #1976d2;
  --blue-500: #2196f3;
  --blue-300: #64b5f6;
  --blue-100: #bbdefb;
  --blue-50: #e3f2fd;
  --white: #ffffff;
  --gray-400: #64748b;
  --gray-600: #475569;
  --green: #10b981;
  --amber: #f59e0b;
  --red: #ef4444;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 3px rgba(10, 37, 64, 0.08);
  --shadow-md: 0 4px 14px rgba(10, 37, 64, 0.1);
  --shadow-lg: 0 10px 30px rgba(10, 37, 64, 0.15);
}

html {
  scroll-behavior: auto;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: linear-gradient(
    160deg,
    var(--blue-50) 0%,
    var(--white) 50%,
    var(--blue-100) 100%
  );
  color: var(--blue-900);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 100px;
  padding-bottom: 160px;
  -webkit-font-smoothing: antialiased;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-y: contain;
}

.skip-link {
  position: absolute;
  top: -60px;
  left: 10px;
  background: var(--blue-700);
  color: var(--white);
  padding: 10px 16px;
  border-radius: 8px;
  z-index: 10001;
  transition: top 0.2s;
  font-weight: 700;
}
.skip-link:focus-within { top: 10px; }
.skip-link a { color: var(--white); text-decoration: none; }

.voice-gate {
  position: fixed;
  inset: 0;
  background: linear-gradient(
    160deg,
    rgba(21, 101, 192, 0.96),
    rgba(10, 37, 64, 0.98)
  );
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  transition: opacity 0.4s, visibility 0.4s;
  contain: strict;
}
.voice-gate.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.voice-gate-box {
  background: var(--white);
  border-radius: 20px;
  padding: 32px 28px;
  max-width: 400px;
  width: 100%;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: center;
}
.voice-gate-icon { font-size: 3.5rem; }
.voice-gate-box h2 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--blue-700);
}
.voice-gate-box p {
  color: var(--gray-600);
  font-size: 0.92rem;
  line-height: 1.5;
}
.voice-gate-box strong { color: var(--blue-600); }
.voice-gate-btn {
  background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
  color: var(--white);
  border: none;
  border-radius: var(--radius);
  padding: 16px 24px;
  font-size: 1rem;
  font-weight: 800;
  cursor: pointer;
  width: 100%;
  box-shadow: 0 6px 18px rgba(25, 118, 210, 0.4);
  font-family: inherit;
}
.voice-gate-btn:active { transform: scale(0.97); }
.voice-gate-hint {
  font-size: 0.75rem;
  color: var(--gray-400);
  font-style: italic;
}

.cam-preview {
  position: fixed;
  top: 118px;
  right: 12px;
  width: 160px;
  height: 120px;
  border-radius: 12px;
  overflow: hidden;
  background: #000;
  z-index: 400;
  border: 3px solid var(--blue-500);
  box-shadow: var(--shadow-lg);
  transition: border-color 0.3s, opacity 0.3s;
  contain: strict;
}
.cam-preview.no-face { border-color: var(--red); opacity: 0.85; }
.cam-preview.face-detected {
  border-color: var(--green);
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.5), var(--shadow-lg);
}
.cam-preview video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scaleX(-1);
  display: block;
}
.cam-preview canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.cam-preview-label {
  position: absolute;
  bottom: 4px;
  left: 4px;
  right: 4px;
  font-size: 0.65rem;
  color: #fff;
  background: rgba(10, 37, 64, 0.75);
  padding: 3px 8px;
  border-radius: 10px;
  text-align: center;
  font-weight: 600;
}
.cam-preview.hidden { display: none; }
@media (max-width: 600px) {
  .cam-preview {
    width: 100px;
    height: 75px;
    top: 108px;
    right: 8px;
  }
  .cam-preview-label { font-size: 0.55rem; padding: 2px 6px; }
}

.scroll-btn {
  position: fixed;
  right: 20px;
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
  color: var(--white);
  border: 3px solid var(--white);
  box-shadow: 0 6px 20px rgba(25, 118, 210, 0.5);
  font-size: 1.8rem;
  font-weight: 800;
  cursor: pointer;
  z-index: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
  padding: 0;
  line-height: 1;
  touch-action: manipulation;
  contain: strict;
  transition: background 0.15s, transform 0.15s;
}
.scroll-btn.scroll-up { top: 265px; }
.scroll-btn.scroll-down { bottom: 30px; }
.scroll-btn.scroll-hover {
  background: linear-gradient(135deg, var(--blue-700), var(--blue-600));
}
.scroll-btn.gaze-focus {
  background: linear-gradient(135deg, var(--green), #059669);
  box-shadow: 0 0 0 8px rgba(16, 185, 129, 0.35), 0 8px 24px rgba(16, 185, 129, 0.6);
}
.scroll-btn.scrolling {
  background: linear-gradient(135deg, var(--green), #059669);
  box-shadow: 0 0 0 12px rgba(16, 185, 129, 0.4), 0 8px 24px rgba(16, 185, 129, 0.7);
}
.scroll-btn .scroll-progress {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 4px solid transparent;
  border-top-color: var(--green);
  opacity: 0;
}
.scroll-btn.gaze-focus .scroll-progress { opacity: 1; }
@media (max-width: 600px) {
  .scroll-btn { width: 58px; height: 58px; font-size: 1.5rem; }
  .scroll-btn.scroll-up { top: 245px; right: 10px; }
  .scroll-btn.scroll-down { bottom: 20px; right: 10px; }
}

.gaze-bubble {
  position: fixed;
  width: 80px;
  height: 80px;
  pointer-events: none;
  z-index: 9999;
  opacity: 0;
  transition: opacity 0.3s;
  transform: translate(-50%, -50%);
  top: 0;
  left: 0;
  will-change: transform;
  contain: strict;
}
.gaze-bubble.active { opacity: 1; }
.gaze-bubble.disabled { opacity: 0.3; }
.gaze-bubble-inner {
  position: absolute;
  inset: 12px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, rgba(100, 181, 246, 0.75), rgba(25, 118, 210, 0.35));
  border: 2px solid var(--blue-500);
  box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.15), 0 0 20px rgba(33, 150, 243, 0.55);
}
.gaze-ring {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}
.gaze-ring-bg { fill: none; stroke: rgba(33, 150, 243, 0.15); stroke-width: 4; }
.gaze-ring-fill {
  fill: none;
  stroke: var(--blue-500);
  stroke-width: 4;
  stroke-linecap: round;
  stroke-dasharray: 289;
  stroke-dashoffset: 289;
}
.gaze-bubble.target .gaze-bubble-inner {
  border-color: var(--green);
  background: radial-gradient(circle at 35% 35%, rgba(16, 185, 129, 0.75), rgba(16, 185, 129, 0.35));
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2), 0 0 24px rgba(16, 185, 129, 0.7);
}
.gaze-bubble.target .gaze-ring-fill { stroke: var(--green); }
@media (max-width: 420px) {
  .gaze-bubble { width: 68px; height: 68px; }
}

.gaze-status {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 100px;
  background: linear-gradient(135deg, var(--blue-700), var(--blue-500));
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 0.82rem;
  font-weight: 600;
  z-index: 200;
  padding: 0 16px;
  box-shadow: var(--shadow-md);
  flex-wrap: wrap;
  contain: strict;
}
.gaze-mode-btn {
  background: rgba(255, 255, 255, 0.35);
  border: 1.5px solid rgba(255, 255, 255, 0.6);
  color: var(--white);
  border-radius: 16px;
  padding: 5px 12px;
  font-size: 0.72rem;
  font-weight: 700;
  cursor: pointer;
  margin-left: 6px;
  font-family: inherit;
  touch-action: manipulation;
}
.gaze-mode-btn.paused { background: rgba(239, 68, 68, 0.95); }

.cam-loading {
  position: fixed;
  inset: 0;
  background: rgba(10, 37, 64, 0.92);
  z-index: 9998;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: var(--white);
  font-size: 1rem;
  font-weight: 600;
  transition: opacity 0.4s;
  contain: strict;
}
.cam-loading.hidden { opacity: 0; pointer-events: none; }
.cam-loading-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(255, 255, 255, 0.25);
  border-top-color: var(--white);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

header {
  width: 100%;
  background: linear-gradient(135deg, var(--blue-700), var(--blue-500));
  padding: 14px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-md);
  position: fixed;
  top: 100px;
  left: 0;
  z-index: 150;
  contain: strict;
}
.logo { font-size: 1.3rem; font-weight: 800; color: var(--white); }
.logo span { color: var(--blue-100); font-weight: 600; }
.mode-badge {
  font-size: 0.76rem;
  background: rgba(255, 255, 255, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 20px;
  padding: 5px 12px;
  color: var(--white);
  font-weight: 600;
}

.screen {
  display: none;
  width: 100%;
  max-width: 560px;
  padding: 22px;
  flex-direction: column;
  gap: 16px;
  margin-top: 60px;
}
.screen.active { display: flex; }

.welcome { text-align: center; padding: 20px 0 8px; }
.welcome-icon { font-size: 3rem; margin-bottom: 6px; }
.welcome h1 {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--blue-700);
}
.welcome p {
  color: var(--gray-600);
  margin-top: 8px;
  font-size: 0.9rem;
  line-height: 1.5;
}
.welcome strong { color: var(--blue-600); }

.mode-title {
  font-size: 0.78rem;
  color: var(--blue-700);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 700;
  text-align: center;
  margin-top: 4px;
}

.home-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
}
.home-action-btn {
  flex: 1;
  min-width: 160px;
  background: var(--white);
  border: 3px solid var(--blue-100);
  border-radius: var(--radius);
  padding: 26px 20px;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--blue-700);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  font-family: inherit;
  touch-action: manipulation;
  box-shadow: var(--shadow-sm);
  transition: transform 0.12s, box-shadow 0.12s;
}
.home-action-btn:active {
  transform: scale(0.97);
}
.home-action-btn.gaze-focus {
  border-color: var(--green);
  box-shadow: 0 0 0 5px rgba(16, 185, 129, 0.25), var(--shadow-md);
}
.home-action-btn.gaze-selected {
  background: var(--green);
  color: var(--white);
  border-color: var(--green);
}

.home-action-btn.big {
  background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
  color: var(--white);
  border-color: var(--blue-600);
  font-size: 1.6rem;
  padding: 34px 24px;
  min-width: 100%;
  box-shadow: 0 8px 24px rgba(25, 118, 210, 0.35);
}
.home-action-btn.big.gaze-focus {
  border-color: var(--green);
  box-shadow: 0 0 0 6px rgba(16, 185, 129, 0.3), 0 8px 24px rgba(16, 185, 129, 0.5);
}
.home-action-btn.big.gaze-selected {
  background: var(--green);
  border-color: var(--green);
}

.home-footer {
  text-align: center;
  font-size: 0.72rem;
  color: var(--gray-400);
  margin-top: 8px;
  padding: 10px;
  border-top: 1px dashed var(--blue-100);
}

.status-bar { display: flex; gap: 8px; flex-wrap: wrap; }
.status-item {
  flex: 1;
  min-width: 130px;
  background: var(--white);
  border: 1.5px solid var(--blue-100);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.76rem;
  color: var(--gray-600);
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}
.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gray-400);
  flex-shrink: 0;
}
.status-dot.active { background: var(--green); box-shadow: 0 0 8px var(--green); }
.status-dot.warn { background: var(--amber); }
.status-dot.error { background: var(--red); }

.output-box {
  background: var(--white);
  border: 2px solid var(--blue-100);
  border-radius: var(--radius);
  padding: 18px;
  min-height: 90px;
  font-size: 1.15rem;
  line-height: 1.6;
  word-break: break-word;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}
.output-box.gaze-focus {
  border-color: var(--green);
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.15), var(--shadow-md);
}
.cursor {
  display: inline-block;
  width: 2px;
  height: 1.2em;
  background: var(--blue-500);
  vertical-align: text-bottom;
  margin-left: 2px;
}
.output-placeholder {
  color: var(--gray-400);
  font-style: italic;
  font-size: 0.9rem;
}

.suggestions-box {
  background: linear-gradient(135deg, #fffbeb, #fef3c7);
  border: 1.5px solid #fcd34d;
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  display: none;
}
.suggestions-box.visible { display: block; }
.suggestions-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: #92400e;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
}
.suggestions-list { display: flex; gap: 6px; flex-wrap: wrap; }
.suggestion-btn {
  background: var(--white);
  border: 1.5px solid #fbbf24;
  border-radius: 18px;
  padding: 6px 14px;
  font-size: 0.82rem;
  font-weight: 700;
  color: #92400e;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  font-family: inherit;
  touch-action: manipulation;
}
.suggestion-btn.gaze-focus {
  background: var(--amber);
  color: var(--white);
  border-color: var(--amber);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.3);
}
.suggestion-btn.gaze-selected {
  background: var(--green);
  border-color: var(--green);
  color: var(--white);
}

.quick-label {
  font-size: 0.76rem;
  color: var(--blue-700);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  font-weight: 700;
}
.quick-phrases { display: flex; gap: 8px; flex-wrap: wrap; }
.quick-btn {
  background: var(--blue-50);
  border: 2px solid var(--blue-100);
  border-radius: 22px;
  padding: 12px 20px;
  font-size: 1rem;
  color: var(--blue-700);
  cursor: pointer;
  font-weight: 700;
  position: relative;
  overflow: hidden;
  font-family: inherit;
  touch-action: manipulation;
}
.quick-btn.gaze-focus {
  background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
  color: var(--white);
  border-color: var(--blue-600);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.25);
}
.quick-btn.gaze-selected {
  background: var(--green);
  border-color: var(--green);
  color: var(--white);
}

.keyboard-header {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  color: var(--blue-700);
  font-weight: 700;
  padding: 0 3px;
}
.keyboard {
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  gap: 8px;
}
.key {
  background: var(--white);
  border: 2px solid var(--blue-100);
  border-radius: 10px;
  height: 62px;
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--blue-700);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  padding: 0 2px;
  font-family: inherit;
  touch-action: manipulation;
}
.key.selected {
  background: var(--green);
  border-color: var(--green);
  color: var(--white);
}
.key.gaze-focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.3);
  z-index: 4;
}
.key.space { grid-column: span 5; font-size: 1rem; }
.key.del {
  grid-column: span 4;
  background: #fff5f5;
  border-color: #ffcdd2;
  color: var(--red);
  font-size: 1rem;
}
@media (max-width: 600px) {
  .keyboard { grid-template-columns: repeat(7, 1fr); gap: 6px; }
  .key { height: 58px; font-size: 1.3rem; }
  .key.space { grid-column: span 4; }
  .key.del { grid-column: span 3; }
}
@media (max-width: 420px) {
  .keyboard { grid-template-columns: repeat(6, 1fr); gap: 5px; }
  .key { height: 54px; font-size: 1.2rem; }
  .key.space { grid-column: span 3; }
  .key.del { grid-column: span 3; }
}

.controls { display: flex; gap: 8px; }
.ctrl-btn {
  flex: 1;
  padding: 14px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  position: relative;
  overflow: hidden;
  font-family: inherit;
  touch-action: manipulation;
}
.btn-speak {
  background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
  color: var(--white);
  box-shadow: 0 3px 10px rgba(25, 118, 210, 0.3);
}
.btn-clear, .btn-home {
  background: var(--white);
  color: var(--blue-700);
  border: 1.5px solid var(--blue-100);
}
.ctrl-btn.gaze-focus {
  border-color: var(--green) !important;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.3) !important;
}
.ctrl-btn.gaze-selected {
  background: var(--green) !important;
  color: var(--white) !important;
  border-color: var(--green) !important;
}

.panel-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 37, 64, 0.55);
  z-index: 5000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
  contain: strict;
}
.panel-overlay.visible { opacity: 1; visibility: visible; }
.panel-box {
  background: var(--white);
  border-radius: var(--radius);
  width: 100%;
  max-width: 480px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 2px solid var(--blue-100);
  background: var(--blue-50);
}
.panel-header h2 { font-size: 1.1rem; color: var(--blue-700); font-weight: 800; }
.panel-close {
  background: transparent;
  border: none;
  font-size: 1.3rem;
  color: var(--blue-700);
  cursor: pointer;
  padding: 4px 10px;
  border-radius: 8px;
  font-family: inherit;
  font-weight: 700;
  touch-action: manipulation;
}
.panel-close.gaze-focus { background: var(--green); color: var(--white); }
.panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  -webkit-overflow-scrolling: touch;
}
.panel-footer {
  padding: 12px 16px;
  border-top: 2px solid var(--blue-100);
  display: flex;
  gap: 8px;
}
.settings-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--blue-100);
}
.settings-group:last-child { border-bottom: none; }
.settings-group label {
  font-size: 0.82rem;
  color: var(--blue-700);
  font-weight: 700;
}
.settings-group small { font-size: 0.72rem; color: var(--gray-400); font-style: italic; }
.settings-group input[type="text"],
.settings-group input[type="tel"] {
  padding: 10px 12px;
  border: 1.5px solid var(--blue-100);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-family: inherit;
  color: var(--blue-900);
}
.settings-group input[type="checkbox"] {
  margin-right: 8px;
  accent-color: var(--blue-600);
  width: 18px;
  height: 18px;
  vertical-align: middle;
}

.history-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--blue-50);
  border: 1.5px solid var(--blue-100);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  position: relative;
  overflow: hidden;
}
.history-item.gaze-focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.25);
}
.history-item-text {
  flex: 1;
  font-size: 0.88rem;
  color: var(--blue-900);
  word-break: break-word;
  font-weight: 500;
}
.history-item-time {
  font-size: 0.7rem;
  color: var(--gray-400);
  font-weight: 600;
}
.history-repeat-btn {
  background: var(--blue-600);
  color: var(--white);
  border: none;
  border-radius: 16px;
  padding: 6px 14px;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  position: relative;
  overflow: hidden;
  touch-action: manipulation;
}
.history-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--gray-400);
  font-style: italic;
  font-size: 0.88rem;
}

.emergency-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 37, 64, 0.92);
  z-index: 9997;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  contain: strict;
}
.emergency-overlay.hidden { display: none; }
.emergency-box {
  background: var(--white);
  border-radius: 20px;
  padding: 26px 22px;
  max-width: 460px;
  width: 100%;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  border: 3px solid var(--red);
  max-height: 90vh;
  overflow-y: auto;
}
.emergency-icon { font-size: 3.2rem; }
.emergency-box h2 { font-size: 1.5rem; color: var(--red); font-weight: 800; }
.emergency-box p { color: var(--gray-600); font-size: 0.95rem; line-height: 1.5; }
.emergency-options { display: flex; flex-direction: column; gap: 10px; margin-top: 4px; }
.emergency-option {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  padding: 14px 16px;
  border-radius: var(--radius);
  border: 2px solid var(--blue-100);
  background: var(--white);
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  position: relative;
  overflow: hidden;
  touch-action: manipulation;
}
.emergency-option.primary {
  border-color: var(--red);
  background: linear-gradient(135deg, #fef2f2, #fee2e2);
}
.emergency-option.cancel {
  border-color: var(--blue-100);
  background: var(--blue-50);
}
.emergency-option.gaze-focus {
  border-color: var(--green) !important;
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.3);
}
.emergency-option.gaze-selected {
  background: var(--green) !important;
  border-color: var(--green) !important;
  color: var(--white);
}
.emergency-option-icon { font-size: 1.5rem; margin-bottom: 2px; }
.emergency-option-label { font-size: 1rem; font-weight: 800; color: var(--blue-900); }
.emergency-option-desc { font-size: 0.78rem; color: var(--gray-600); font-weight: 500; }
.emergency-option.gaze-selected .emergency-option-label,
.emergency-option.gaze-selected .emergency-option-desc { color: var(--white); }

.emergency-stop-btn {
  background: linear-gradient(135deg, var(--red), #dc2626);
  color: var(--white);
  border: none;
  border-radius: var(--radius);
  padding: 16px;
  font-size: 1rem;
  font-weight: 800;
  cursor: pointer;
  font-family: inherit;
  box-shadow: 0 6px 18px rgba(239, 68, 68, 0.4);
  position: relative;
  overflow: hidden;
  touch-action: manipulation;
}
.emergency-stop-btn.hidden { display: none; }
.emergency-stop-btn.gaze-focus {
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.4), 0 6px 18px rgba(239, 68, 68, 0.6);
}

#toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
  color: var(--white);
  padding: 12px 26px;
  border-radius: 26px;
  font-weight: 700;
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 9999;
  box-shadow: var(--shadow-lg);
  font-size: 0.88rem;
  contain: strict;
}
#toast.show { transform: translateX(-50%) translateY(0); }

@media (max-width: 420px) {
  .welcome h1 { font-size: 1.6rem; }
  .home-action-btn { min-width: 130px; font-size: 1.1rem; padding: 22px 16px; }
  .home-action-btn.big { font-size: 1.35rem; padding: 28px 18px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}