/* ════════════════════════════════════════════════
   BLINK. SELECT. SPEAK. — styles.css
   Design tokens sourced from Flowstep screens.
   ════════════════════════════════════════════════ */

/* ── Variables ──────────────────────────────────── */
:root {
  --sky:        #C9E2F0;
  --sky-dark:   #B4D5EA;
  --navy:       #1B3A5C;
  --slate:      #5A7A94;
  --cream:      #F0E6D2;
  --cream-dark: #DCCBA8;
  --key-top:    #FBF6EC;
  --key-bot:    #EDE3D0;
  --orange:     #C65D26;
  --orange-dark:#B24F1D;
  --emerald:    #10b981;
  --white-40:   rgba(255,255,255,0.40);
  --navy-30:    rgba(27,58,92,0.30);
  --navy-15:    rgba(27,58,92,0.15);

  --font-display: 'Georgia', serif;  /* fallback for EXORA */
  --font-mono:    'Courier New', 'Consolas', monospace;
}

/* ── Reset ──────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { width: 100%; height: 100%; overflow: hidden; }
body { font-family: var(--font-mono); background: var(--sky); }

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
  padding: 0;
  line-height: 1;
}
video { display: block; width: 100%; height: 100%; object-fit: cover; }

/* ── Screen state machine ───────────────────────── */
.screen {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}
.screen.active {
  opacity: 1;
  pointer-events: all;
}

/* ════════════════════════════════════════════════
   SCREEN 1 — LANDING
   ════════════════════════════════════════════════ */
.screen-landing {
  background: var(--sky);
  color: var(--navy);
  position: relative;
}

.landing-muted-badge {
  position: absolute;
  top: 24px; right: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: #EAF4FA;
  border: 1px solid #AFC7D8;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 5px;
  color: var(--navy);
  box-shadow: 0 1px 2px rgba(27,58,92,0.12);
}
.landing-muted-badge svg { flex-shrink: 0; }

.landing-center {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 48px 32px;
}

.landing-eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 7px;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 18px;
}

.landing-headline {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(48px, 7vw, 80px);
  line-height: 1.0;
  letter-spacing: -0.5px;
  color: var(--navy);
  margin-bottom: 24px;
}

.landing-body {
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1.65;
  color: var(--slate);
  max-width: 520px;
  margin-bottom: 10px;
}

.landing-sub {
  font-family: var(--font-mono);
  font-size: 14px;
  color: rgba(90,122,148,0.8);
  margin-bottom: 40px;
}

.btn-start {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 28px;
  background: var(--navy);
  color: #EAF4FA;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 2.5px;
  border: 1px solid var(--navy);
  box-shadow: 0 8px 24px rgba(27,58,92,0.18);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.btn-start:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(27,58,92,0.28);
}
.btn-start:active { transform: translateY(0); }

.landing-cursor {
  position: absolute;
  left: 24px;
  bottom: 24px;
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--navy);
  animation: blink-cursor 1.1s step-end infinite;
}
@keyframes blink-cursor { 0%,100%{opacity:1} 50%{opacity:0} }

/* ════════════════════════════════════════════════
   SCREEN 2 — CALIBRATION
   ════════════════════════════════════════════════ */
.screen-calibration {
  background: var(--cream);
  color: var(--navy);
  position: relative;
}

.calib-eyebrow {
  position: absolute;
  top: 32px; left: 32px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--slate);
}

/* The calibration dot is absolutely positioned by JS */
.calib-dot-wrapper {
  position: absolute;
  /* JS sets left/top */
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 90px;
  height: 90px;
  transition: left 0.4s cubic-bezier(0.4,0,0.2,1), top 0.4s cubic-bezier(0.4,0,0.2,1);
}

.calib-ring-svg {
  position: absolute;
  top: 0; left: 0;
  width: 90px;
  height: 90px;
}

.calib-dot-inner {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: var(--sky);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.calib-dot-core {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--navy);
  transition: transform 0.1s ease;
}

.calib-label {
  position: absolute;
  bottom: 64px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 16px;
  letter-spacing: 0.5px;
  color: var(--slate);
  white-space: nowrap;
}

.btn-skip {
  position: absolute;
  bottom: 24px; right: 24px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--cream);
  color: var(--navy);
  border: 1px solid rgba(27,58,92,0.4);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 14px;
  transition: background 0.15s;
}
.btn-skip:hover { background: var(--cream-dark); }

/* Webcam area */
.calib-webcam-area {
  position: absolute;
  bottom: 24px; left: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.calib-video-frame {
  width: 180px;
  height: 135px;
  border-radius: 12px;
  border: 1px solid var(--sky-dark);
  background: rgba(255,255,255,0.4);
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.calib-no-camera-icon {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.calib-eyes-status {
  display: flex;
  align-items: center;
  gap: 6px;
  padding-left: 4px;
}

/* ════════════════════════════════════════════════
   SCREEN 3 — KEYBOARD
   ════════════════════════════════════════════════ */
.screen-keyboard {
  background: var(--sky);
  color: var(--navy);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: absolute;
  inset: 0;
  justify-content: flex-start; /* content hugs the top */
}

/* Output bar */
.kb-output-bar {
  flex-shrink: 0;
  height: 62px;
  background: var(--sky);
  border-bottom: 1px solid var(--sky-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  gap: 12px;
}

.kb-output-left {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.kb-output-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--slate);
}

.kb-output-text-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.kb-output-display {
  display: flex;
  align-items: baseline;
  gap: 0;
  padding: 4px 16px;
  background: white;
  border-radius: 10px;
  font-size: 24px;
  font-weight: 800;
  color: var(--navy);
  min-width: 120px;
  min-height: 36px;
  max-width: 60vw;
  overflow: hidden;
  flex-wrap: nowrap;
}

/* Last typed character glows orange */
.kb-output-display .output-char--last {
  color: var(--orange);
  text-shadow: 0 0 14px rgba(198,93,38,0.75);
}

.kb-selected-badge {
  flex-shrink: 0;
  padding: 4px 12px;
  background: #d1fae5;
  color: #065f46;
  border: 1px solid #6ee7b7;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.btn-speak-header {
  flex-shrink: 0;
  padding: 10px 24px;
  background: var(--navy);
  color: var(--cream);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 14px;
  transition: background 0.15s;
}
.btn-speak-header:hover { background: #2a5580; }

/* Quick-phrase row */
.kb-phrase-row {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  overflow-x: auto;
  background: var(--sky);
  scrollbar-width: none;
}
.kb-phrase-row::-webkit-scrollbar { display: none; }

.phrase-pill {
  flex-shrink: 0;
  padding: 0 14px;
  height: 38px;
  background: transparent;
  color: var(--navy);
  border: 2px solid rgba(27,58,92,0.3);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 13px;
  white-space: nowrap;
  transition: background 0.12s, border-color 0.12s;
}
.phrase-pill:hover,
.phrase-pill.gazed {
  background: rgba(27,58,92,0.08);
  border-color: rgba(27,58,92,0.6);
}
.phrase-pill.gazed {
  outline: 2px solid var(--navy);
  outline-offset: 2px;
}

/* Keyboard area — fixed height so it doesn't create a sky gap */
.kb-keyboard-area {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 6px 10px 12px;
  position: relative;
}

.kb-row {
  display: flex;
  gap: 6px;
  height: 72px;       /* fixed row height keeps keyboard compact */
}

/* Staggered insets matching Flowstep layout */
.kb-row--inset-sm  { padding-left: 56px; }
.kb-row--inset-lg  { padding-left: 148px; }
.kb-row--actions   { height: 72px; }

/* ── Key cap ──────────────────────────────────── */
.key {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-radius: 12px;
  background: linear-gradient(to bottom, var(--key-top), var(--key-bot));
  border: none;
  border-bottom: 5px solid var(--navy);
  box-shadow: 0 3px 8px rgba(0,0,0,0.13);
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: clamp(16px, 1.8vw, 30px);
  color: var(--navy);
  cursor: pointer;
  transition: transform 0.07s ease, box-shadow 0.07s ease, border-bottom-width 0.07s ease;
  user-select: none;
  outline: none;
}

.key:hover {
  background: linear-gradient(to bottom, #fff, var(--key-top));
}

.key:active,
.key.pressed {
  transform: translateY(4px);
  border-bottom-width: 2px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.10);
}

/* Gaze highlight — dwell progress shown via pseudo overlay */
.key.gazed {
  background: linear-gradient(to bottom, var(--sky), var(--sky-dark));
  outline: 3px solid var(--navy);
  outline-offset: 2px;
}

/* Action keys */
.key--action {
  font-size: clamp(12px, 1.5vw, 20px);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}
.key--delete { flex: 1.5; }
.key--space  { flex: 3.5; }
.key--clear  { flex: 1.2; }
.key--speak  {
  flex: 1.5;
  background: linear-gradient(to bottom, var(--orange), var(--orange-dark));
  color: var(--cream);
  border-bottom: 5px solid #8b3a16;
}
.key--speak:hover {
  background: linear-gradient(to bottom, #d4682f, var(--orange-dark));
}
.key--speak svg { stroke: var(--cream); }

/* ── Webcam badge — anchored to .screen-keyboard (position:absolute on screen) */
.kb-webcam-badge {
  position: fixed;     /* fixed so it's always visible regardless of layout */
  left: 20px;
  bottom: 20px;
  display: flex;
  align-items: flex-end;
  gap: 10px;
  z-index: 200;
}

.kb-video-frame {
  width: 144px;
  height: 108px;
  border-radius: 14px;
  border: 2px solid rgba(27,58,92,0.3);
  background: var(--key-top);
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.kb-no-camera-icon {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.kb-badge-info {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-bottom: 4px;
}

.kb-eyes-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.kb-eyes-row span:last-child,
.calib-eyes-status span:last-child {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--navy);
}

.btn-recalibrate {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--slate);
  text-decoration: underline;
  text-align: left;
}
.btn-recalibrate:hover { color: var(--navy); }

/* Eye detection dot */
.eye-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.eye-dot--on  { background: var(--emerald); }
.eye-dot--off { background: #9ca3af; }

/* ── Dwell ring overlay ─────────────────────────── */
.dwell-ring-container {
  position: absolute;
  pointer-events: none;
  z-index: 100;
  border-radius: 14px;
  overflow: visible;
}

.dwell-ring-svg {
  position: absolute;
  top: -8px; left: -8px;
  width: calc(100% + 16px);
  height: calc(100% + 16px);
}

/* ════════════════════════════════════════════════
   SHARED UTILITIES
   ════════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0ms !important; animation-duration: 0ms !important; }
}