:root{
  /* SignBridge palette (from Landing/SignBridge_Landing.html) */
  --deep-navy: #0D1B2A;
  --ocean-blue: #1B3A4B;
  --teal: #62B6CB;
  --coral: #FF6B6B;
  --light: #E8F4F8;
  --muted2: #8FA3AD;
  --success: #4ECDC4;

  --bg: var(--deep-navy);
  --panel: rgba(27,58,75,0.35);
  --panel2: rgba(27,58,75,0.45);
  --text: var(--light);
  --muted: rgba(143,163,173,0.95);
  --brand: var(--teal);
  --accent: var(--coral);
  --good: var(--success);
  --warn: #ffcc66;
  --bad: var(--coral);
  --border: rgba(232,244,248,0.14);
  --shadow: 0 18px 60px rgba(0,0,0,0.45);
  --radius: 16px;
  --radius2: 12px;
}

*{ box-sizing: border-box; }
html, body{ height: 100%; }
body{
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 800px at 20% 10%, rgba(98,182,203,0.18), transparent 55%),
              radial-gradient(900px 600px at 90% 20%, rgba(255,107,107,0.12), transparent 55%),
              var(--bg);
  color: var(--text);
}

.brand{
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
}
.logo{
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.2px;
  color: var(--brand);
}
.logo span{ color: var(--text); }
.logo-tag{
  font-size: 0.85rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(98,182,203,0.28);
  background: rgba(98,182,203,0.12);
  color: var(--text);
}

.app{
  min-height: 100%;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 18px;
  max-width: 1120px;
  margin: 0 auto;
}

.app-header{
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

h1{
  margin: 0;
  font-size: 1.25rem;
  letter-spacing: 0.2px;
}

.subtitle{
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.25rem;
}

.header-actions{
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.layout{
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 16px;
  align-items: start;
}
@media (max-width: 980px){
  .layout{ grid-template-columns: 1fr; }
}

.panel{
  background: linear-gradient(180deg, var(--panel2), var(--panel));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.panel-inner{ padding: 14px; }

.controls{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.controls-left, .controls-right{
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

button, .btn-home{
  border: 1px solid rgba(238,243,255,0.18);
  background: rgba(255,255,255,0.08);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 12px;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform .08s ease, background .15s ease, border-color .15s ease;
  user-select: none;
  touch-action: manipulation;
  text-decoration: none;
  display: inline-block;
  font-family: inherit;
}
.btn-home{
  background: rgba(98,182,203,0.15);
  border-color: rgba(98,182,203,0.30);
  font-weight: 600;
}
.btn-home:hover{
  background: rgba(98,182,203,0.25);
  border-color: rgba(98,182,203,0.45);
}
button:hover{ background: rgba(255,255,255,0.12); }
button:active{ transform: translateY(1px); }
button.primary{
  background: rgba(98,182,203,0.20);
  border-color: rgba(98,182,203,0.35);
}
button.danger{
  background: rgba(255,107,107,0.12);
  border-color: rgba(255,107,107,0.35);
}
button:disabled{
  opacity: 0.55;
  cursor: not-allowed;
}

.kbd{
  font-variant-numeric: tabular-nums;
  font-size: 0.85rem;
  color: var(--muted);
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid rgba(238,243,255,0.16);
  background: rgba(0,0,0,0.12);
}

#phrases{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
@media (max-width: 720px){
  #phrases{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 430px){
  #phrases{ grid-template-columns: 1fr; }
}

.phrase{
  background: rgba(255,255,255,0.06);
  border: 2px solid rgba(238,243,255,0.10);
  border-radius: var(--radius2);
  padding: 16px 14px;
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 1.12rem;
  line-height: 1.2;
  letter-spacing: .1px;
  transition: transform .08s ease, border-color .15s ease, background .15s ease;
  cursor: pointer;
  position: relative;
}
.phrase:hover{ border-color: rgba(98,182,203,0.50); }
.phrase[aria-selected="true"]{
  background: rgba(98,182,203,0.22);
  border-color: rgba(255,107,107,0.55);
  transform: scale(1.02);
  outline: 2px solid rgba(255,107,107,0.35);
  outline-offset: 0;
}
.phrase.flash::after{
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: var(--radius2);
  border: 2px solid rgba(61,220,151,0.85);
  animation: flash 600ms ease-out 1;
  pointer-events: none;
}
@keyframes flash{
  from { opacity: 1; }
  to { opacity: 0; }
}

.statusbar{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.95rem;
}
.status-pill{
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(238,243,255,0.14);
  background: rgba(0,0,0,0.10);
  max-width: 100%;
}
.dot{
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--warn);
  flex: 0 0 auto;
}
.dot.good{ background: var(--good); }
.dot.bad{ background: var(--bad); }
.status-text{
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.metrics{
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
  font-variant-numeric: tabular-nums;
}
.metric{
  display: inline-flex;
  gap: 6px;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(238,243,255,0.14);
  background: rgba(0,0,0,0.10);
}
.metric b{ color: var(--text); font-weight: 600; }

.video-wrap{
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(238,243,255,0.12);
  background: rgba(0,0,0,0.18);
}
#video{
  width: 100%;
  height: auto;
  display: block;
  transform: scaleX(-1);
}

details{ border-top: 1px solid rgba(238,243,255,0.12); }
summary{
  cursor: pointer;
  padding: 12px 14px;
  color: var(--text);
  user-select: none;
}
.settings{
  padding: 0 14px 14px;
  display: grid;
  gap: 12px;
}
label{
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.92rem;
}
input[type="range"]{ width: 100%; }
select, textarea{
  width: 100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(238,243,255,0.16);
  background: rgba(0,0,0,0.22);
  color: var(--text);
  outline: none;
}
textarea{ min-height: 220px; resize: vertical; }
.row{
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
}
.help{
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.25rem;
}

.modal-backdrop{
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 18px;
  z-index: 999;
}
.modal-backdrop.open{ display: flex; }
.modal{
  width: min(780px, 100%);
  border-radius: var(--radius);
  border: 1px solid rgba(238,243,255,0.16);
  background: linear-gradient(180deg, rgba(255,255,255,0.10), rgba(255,255,255,0.06));
  box-shadow: var(--shadow);
  overflow: hidden;
}
.modal header{
  padding: 14px 14px 10px;
  border-bottom: 1px solid rgba(238,243,255,0.12);
  align-items: center;
  display: flex;
  justify-content: space-between;
  gap: 10px;
}
.modal-title{ font-weight: 700; }
.modal .body{
  padding: 14px;
  display: grid;
  gap: 12px;
}
.modal .actions{
  padding: 12px 14px 14px;
  border-top: 1px solid rgba(238,243,255,0.12);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: wrap;
}

.noscript{
  padding: 16px;
  color: #fff;
  background: #300;
}

:focus-visible{
  outline: 3px solid rgba(98,182,203,0.55);
  outline-offset: 2px;
}
@media (prefers-reduced-motion: reduce){
  * { transition: none !important; animation: none !important; }
}
.pill{
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(232,244,248,0.18);
  background: rgba(0,0,0,0.16);
  font-weight: 700;
}

/* Mode switch (Face/Hands) */
.mode-switch{
  display: inline-flex;
  border-radius: 14px;
  border: 1px solid rgba(232,244,248,0.18);
  background: rgba(0,0,0,0.16);
  overflow: hidden;
}
.mode-btn{
  border: none;
  border-radius: 0;
  background: transparent;
  padding: 10px 14px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--muted);
  transition: background .15s ease, color .15s ease;
}
.mode-btn:hover{
  background: rgba(255,255,255,0.06);
  color: var(--text);
}
.mode-btn.active{
  background: rgba(98,182,203,0.25);
  color: var(--text);
}
.mode-btn + .mode-btn{
  border-left: 1px solid rgba(232,244,248,0.12);
}

/* =====================================================
   COCKPIT PANEL STYLES
   ===================================================== */

.cockpit-panel summary {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}

.settings-icon {
  font-size: 1.1rem;
}

.preset-badge {
  margin-left: auto;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(98,182,203,0.2);
  color: var(--brand);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.cockpit-content {
  max-height: 65vh;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(98,182,203,0.3) transparent;
}

.cockpit-content::-webkit-scrollbar {
  width: 6px;
}

.cockpit-content::-webkit-scrollbar-thumb {
  background: rgba(98,182,203,0.3);
  border-radius: 3px;
}

.cockpit-section {
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.cockpit-section:last-child {
  border-bottom: none;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--brand);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.section-icon {
  font-size: 1rem;
}

/* Presets Grid */
.presets-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.preset-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 6px;
  background: rgba(0,0,0,0.2);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  color: var(--muted);
  font-size: 0.8rem;
}

.preset-btn:hover {
  background: rgba(255,255,255,0.05);
  border-color: rgba(98,182,203,0.3);
  color: var(--text);
}

.preset-btn.active {
  background: rgba(98,182,203,0.15);
  border-color: var(--brand);
  color: var(--text);
}

.preset-icon {
  font-size: 1.3rem;
}

.preset-name {
  font-weight: 600;
  font-size: 0.8rem;
}

.preset-desc {
  font-size: 0.65rem;
  opacity: 0.7;
}

@media (max-width: 600px) {
  .presets-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Gesture Info */
.gesture-info {
  background: rgba(0,0,0,0.15);
  border-radius: 8px;
  padding: 10px;
  margin-bottom: 8px;
}

.gesture-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
}

.gesture-row + .gesture-row {
  border-top: 1px solid rgba(255,255,255,0.05);
}

.gesture-icon {
  font-size: 1.2rem;
  width: 30px;
  text-align: center;
}

/* Label Row */
.label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.label-row b {
  color: var(--brand);
  font-variant-numeric: tabular-nums;
}

/* Buttons Row */
.buttons-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.btn-small {
  padding: 8px 12px;
  font-size: 0.85rem;
  background: rgba(98,182,203,0.15);
  border: 1px solid rgba(98,182,203,0.3);
  color: var(--brand);
  border-radius: 8px;
}

.btn-small:hover {
  background: rgba(98,182,203,0.25);
}

.btn-danger {
  background: rgba(255,107,107,0.15) !important;
  border-color: rgba(255,107,107,0.35) !important;
  color: var(--coral) !important;
}

/* API Key Row */
.api-key-row {
  display: flex;
  gap: 8px;
}

.api-key-row input {
  flex: 1;
  padding: 8px 12px;
  background: rgba(0,0,0,0.2);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  color: var(--text);
  font-family: monospace;
}

.btn-icon {
  padding: 8px 12px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
}

/* AI Section */
.ai-section {
  background: linear-gradient(135deg, rgba(98,182,203,0.05), rgba(78,205,196,0.05));
  margin: 0 -14px;
  padding: 12px 14px !important;
  border-left: 3px solid var(--brand);
}

/* Performance Grid */
.perf-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.perf-item {
  background: rgba(0,0,0,0.2);
  border-radius: 8px;
  padding: 10px;
  text-align: center;
}

.perf-label {
  display: block;
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.perf-value {
  display: block;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--brand);
  font-variant-numeric: tabular-nums;
}

@media (max-width: 500px) {
  .perf-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Shortcuts Grid */
.shortcuts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
}

.shortcut {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  background: rgba(0,0,0,0.15);
  border-radius: 6px;
  font-size: 0.8rem;
  color: var(--muted);
}

.shortcut kbd {
  padding: 3px 6px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 4px;
  font-family: monospace;
  font-size: 0.75rem;
  color: var(--text);
}

/* High Contrast Mode */
body.high-contrast {
  --bg: #000;
  --panel: rgba(30,30,30,0.95);
  --text: #fff;
  --brand: #00ffff;
  --border: rgba(255,255,255,0.4);
}

/* Large Text Mode */
body.large-text {
  font-size: 18px;
}

body.large-text .phrase {
  font-size: 1.3rem;
  min-height: 90px;
}

/* Reduced Motion */
body.reduce-motion * {
  animation: none !important;
  transition: none !important;
}