/* =========================================
   Postura — Compact Aesthetic Stylesheet
   ========================================= */

/* ---- Theme Tokens ---- */
:root {
  --background: hsl(250 100% 98%);
  --foreground: hsl(215 25% 15%);

  --card: hsl(0 0% 100%);
  --card-foreground: hsl(215 25% 15%);

  --muted: hsl(220 14% 96%);
  --muted-foreground: hsl(215 16% 47%);

  --primary: hsl(195 85% 45%);
  --primary-contrast: #fff;
  --primary-hover: hsl(195 85% 40%);

  --secondary: hsl(142 76% 50%);
  --secondary-contrast: #fff;
  --secondary-hover: hsl(142 76% 45%);

  --accent: hsl(195 100% 92%);
  --accent-foreground: hsl(195 85% 25%);

  --border: hsl(220 13% 91%);
  --input: hsl(220 13% 91%);
  --ring: hsl(195 85% 45%);

  --success: hsl(142 76% 45%);
  --warning: hsl(45 93% 58%);
  --error:   hsl(0 84% 60%);

  --radius: 14px;
  --gradient-card: linear-gradient(145deg, #fff, hsl(220 14% 96%));
  --gradient-feature: linear-gradient(145deg, hsl(195 100% 95% / .9), hsl(142 76% 92%));

  --shadow-soft: 0 6px 22px -8px hsl(195 85% 30% / .18);
  --transition-smooth: all .24s cubic-bezier(.4,0,.2,1);

  --column-max: 720px;
  --gap: 12px;
}

/* ---- Base ---- */
*,
*::before,
*::after { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--background);
  color: var(--foreground);
  font: 400 15px/1.45 ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, video, canvas { max-width: 100%; display: block; }

/* ---- Layout container ---- */
.container {
  max-width: var(--column-max);
  margin: 0 auto;
  padding: clamp(14px, 2.5vw, 24px);
}

/* Ensure all top-level sections match container width */
.container > .app-header-stripe,
.container > .video-layout,
.container > .controls,
.container > .timers-card,
.container > .status-panel {
  width: 100%;
  margin-inline: auto;
}

/* ---- Header ---- */
h1 {
  margin: 0 0 4px;
  font-size: clamp(22px, 3.8vw, 30px);
  font-weight: 800;
  letter-spacing: -0.02em;
}
.tagline {
  margin: 0 0 14px;
  color: var(--muted-foreground);
  font-size: 14px;
}

/* ---- Panels / Cards ---- */
.panel {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

/* ---- Video Wrapper (16:9) ---- */
.video-wrap {
  position: relative;
  aspect-ratio: 16 / 9;             /* keep video nice and big */
  width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--background);
}
#cam, #overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  transform: scaleX(-1);
  transform-origin: center;
}
#overlay { background: transparent !important; pointer-events: none; }

/* ===== Video + Sidebar Layout (single source of truth) ===== */
.video-layout {
  display: grid;
  grid-template-columns: 1fr 90px; /* ⬅️ fixed sidebar */
  gap: 14px;
  align-items: start;
  margin-top: 12px;
  max-width: var(--column-max);
  margin-inline: auto;
}


/* Stack on small screens */
@media (max-width: 900px) {
  .video-layout { grid-template-columns: 1fr; }
}

/* ===== Sidebar ===== */
.video-aside {
  width: 90px;          /* ⬅️ match grid */
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card);
}

.aside-section { display: grid; gap: 6px; }
.aside-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  opacity: .75;
}
.aside-value { font-size: 0.98rem; font-weight: 600; }
.score-badge {
  display: none;
}

/* ======================================================
   Controls
   ====================================================== */
.controls {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--gap);
  align-items: center;
  margin: 12px 0 14px;
}

/* Buttons (always 3 across) */
.button-row {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
  margin-bottom: var(--gap);
}
.button-row button {
  width: 100%;
  border: 0;
  border-radius: 12px;
  padding: 10px;
  font-size: 14px;
  font-weight: 600;
  box-shadow: var(--shadow-soft);
  cursor: pointer;
  transition: var(--transition-smooth);
  white-space: nowrap;
}
#cameraToggle { color: var(--primary-contrast); background: var(--primary); }
#cameraToggle:hover { background: var(--primary-hover); transform: translateY(-1px); }
#cameraToggle.is-on { background: var(--error); }
#calibrate { color: var(--accent-foreground); background: var(--accent); }
#calibrate:hover { transform: translateY(-1px); filter: brightness(.98); }
#statusPip { color: var(--secondary-contrast); background: var(--secondary); }
#statusPip:hover { background: var(--secondary-hover); transform: translateY(-1px); }
#statusPip.is-active { background: var(--muted); color: var(--muted-foreground); }
#statusPip.is-active:hover { background: var(--muted); }

/* Generic control card */
label.inline {
  grid-column: span 6;
  display: grid;
  grid-template-columns: 1fr minmax(96px, 34%);
  align-items: center;
  gap: 8px;
  background: var(--gradient-feature);
  border: 1px solid color-mix(in oklab, var(--border), transparent 30%);
  padding: 8px 10px;
  border-radius: 12px;
  font-size: 14px;
}
label.inline input[type="number"] {
  width: 100%;
  background: var(--card);
  border: 1px solid var(--input);
  border-radius: 10px;
  padding: 6px 8px;
  color: var(--foreground);
  transition: var(--transition-smooth);
  outline: none;
  font-size: 14px;
}
label.inline input[type="number"]:focus {
  border-color: var(--ring);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--ring), transparent 72%);
}
label.inline input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--primary); }
label.inline:has(> input[type="checkbox"]) { grid-template-columns: auto 1fr; }

/* Force full-width rows */
label.inline.row-full { grid-column: 1 / -1; }

/* ======================================================
   Sensitivity block
   ====================================================== */
label.inline.sensitivity-block {
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 12px;
}
.sensitivity-block .slider-scale { position: relative; width: 100%; }
.sensitivity-block .slider-wrap {
  position: relative;
  width: 100%;
  display: flex;
  align-items: center;
  padding-inline: 40px;         /* space for Low/High labels */
  overflow: visible;
}
.sensitivity-block input[type="range"] {
  width: 100%;
  appearance: none;
  height: 4px;
  border-radius: 999px;
  background: color-mix(in oklab, var(--ring), white 82%);
  outline: none;
  z-index: 2;
  cursor: pointer;
}
.sensitivity-block input[type="range"]::-webkit-slider-thumb {
  appearance: none; width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--primary); border: 2px solid white;
  box-shadow: 0 1px 6px rgba(0,0,0,.2);
  cursor: pointer; position: relative; z-index: 3;
}
.sensitivity-block input[type="range"]::-moz-range-thumb {
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--primary); border: 2px solid white;
  box-shadow: 0 1px 6px rgba(0,0,0,.2);
  cursor: pointer; z-index: 3;
}
.scale-ticks {
  position: absolute;
  top: 50%;
  left: 40px; right: 40px;
  display: flex; justify-content: space-between;
  transform: translateY(-50%);
  z-index: 1; pointer-events: none;
}
.scale-ticks span { width: 1px; height: 10px; background: var(--muted-foreground); opacity: .6; }
.scale-label {
  position: absolute; top: 50%; transform: translateY(-50%);
  font-size: 11px; color: var(--muted-foreground); white-space: nowrap; pointer-events: none;
}
.slider-scale .scale-label:first-of-type { left: 10px; }
.slider-scale .scale-label:last-of-type  { right: 10px; }
.slider-tooltip {
  position: absolute; bottom: 150%; left: 0; transform: translateX(-50%);
  background: var(--card); color: var(--foreground); border: 1px solid var(--border);
  border-radius: 10px; padding: 2px 8px; font-size: 12px; line-height: 1.2;
  box-shadow: var(--shadow-soft); pointer-events: none; opacity: 0; transition: opacity .12s ease;
  white-space: nowrap; z-index: 4;
}
.slider-wrap:hover .slider-tooltip,
.slider-wrap:has(input[type="range"]:active) .slider-tooltip { opacity: 1; }

/* ======================================================
   Timers + Beep
   ====================================================== */
.inline-row {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}
.inline-row > label.inline {
  grid-column: auto;
  grid-template-columns: 1fr minmax(90px, 44%);
}

.timers-card {
  grid-column: 1 / -1;
  background: var(--gradient-feature);
  border: 1px solid color-mix(in oklab, var(--border), transparent 30%);
  border-radius: 12px;
  padding: 10px;
  display: grid;
  gap: 10px;
}
.timers-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.timers-title { font-weight: 600; }

.timers-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--gap);
}
.timer-box {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 10px;
  display: grid;
  grid-template-columns: 1fr minmax(90px, 44%);
  align-items: center;
  gap: 8px;
  font-size: 14px;
}
.timer-box input[type="number"] {
  width: 100%;
  background: var(--card);
  border: 1px solid var(--input);
  border-radius: 10px;
  padding: 6px 8px;
  color: var(--foreground);
  transition: var(--transition-smooth);
  outline: none;
  font-size: 14px;
}
.timer-box input[type="number"]:focus {
  border-color: var(--ring);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--ring), transparent 72%);
}

/* ---- Status Panel ---- */
.status-panel {
  padding: 10px;
  display: grid;
  gap: 8px;
  margin-bottom: 12px;
}
#statusMsg {
  font-size: 1.2rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  opacity: .95;
}
.status-instruction { color: var(--muted-foreground); font-size: 13px; }
.status-strong {
  font-weight: 700;
  background: var(--card);
  color: var(--card-foreground);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 8px 10px;
  font-size: 14px;
}
.status-ok   { border-color: color-mix(in oklab, var(--success), var(--border) 58%); box-shadow: 0 0 0 3px color-mix(in oklab, var(--success), transparent 86%); }
.status-warn { border-color: color-mix(in oklab, var(--warning), var(--border) 58%); box-shadow: 0 0 0 3px color-mix(in oklab, var(--warning), transparent 86%); }
.status-bad  { border-color: color-mix(in oklab, var(--error),   var(--border) 58%); box-shadow: 0 0 0 3px color-mix(in oklab, var(--error),   transparent 86%); }

/* ---- Footer ---- */
footer .hint {
  text-align: center;
  color: var(--muted-foreground);
  font-size: 12px;
  margin-top: 6px;
}

/* ---- Focus Rings ---- */
button:focus-visible, input:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--ring), transparent 72%);
}

/* ---- Small screens ---- */
@media (max-width: 720px) {
  .controls { grid-template-columns: 1fr 1fr; }
  .button-row { grid-template-columns: 1fr 1fr 1fr; }
  label.inline { grid-column: span 2; grid-template-columns: 1fr minmax(110px, 45%); }

  label.inline.row-full { grid-column: 1 / -1; }
  .sensitivity-block .slider-wrap { padding-inline: 32px; }
  .scale-ticks { left: 32px; right: 32px; }

  .inline-row { grid-template-columns: 1fr; }
  .inline-row > label.inline { grid-template-columns: 1fr minmax(110px, 45%); }

  .timers-grid { grid-template-columns: 1fr; }
}

/* ==== App Header (compact, branded) ==== */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  margin-bottom: 12px;
  gap: 12px;
}
.app-subtitle { margin: 2px 0 0; color: var(--muted-foreground); font-size: 13px; }
.header-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

/* Badge-style links/buttons */
.badge {
  appearance: none;
  border: 1px solid var(--primary);
  background: var(--primary);
  color: var(--primary-contrast);
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow-soft);
  transition: var(--transition-smooth);
  text-decoration: none;
}
.badge:hover { background: var(--primary-hover); transform: translateY(-1px); }
.badge.ghost {
  background: transparent;
  color: var(--accent-foreground);
  border-color: color-mix(in oklab, var(--ring), white 65%);
}
.badge.ghost:hover { background: var(--accent); border-color: var(--ring); }

/* Stack neatly on small screens */
@media (max-width: 640px) {
  .app-header { flex-direction: column; align-items: stretch; }
  .header-actions { justify-content: flex-start; }
}

/* ---- Accent Stripe Header ---- */
.app-header-stripe {
  display: flex;
  align-items: flex-start;
  padding-left: 14px;
  border-left: 5px solid var(--primary);
  margin-bottom: 20px;
}
.title-wrap { margin-left: 10px; }
.app-title {
  margin: 0;
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 800;
  color: var(--foreground);
}
.app-title .divider { opacity: .6; }
.app-title .descriptor {
  font-style: normal;
  font-weight: 600;
  color: color-mix(in oklab, var(--foreground), white 30%);
}

/* ===== Onboarding & Contact Modal ===== */
.onb-overlay {
  position: fixed; inset: 0;
  background: rgba(10, 18, 32, 0.35);
  backdrop-filter: blur(1px);
  z-index: 9999;
  display: none;
}
.onb-overlay.is-open { display: block; }

.onb-panel {
  position: fixed;
  width: min(520px, 92vw);
  max-height: 80vh;
  overflow: auto;
  background: var(--card);
  color: var(--foreground);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25),
              0 0 0 3px color-mix(in oklab, var(--ring), transparent 78%);
  z-index: 10010;
  padding: 16px 18px;
}
.onb-panel[data-ready="0"] { opacity: 0; pointer-events: none; }
.onb-title { font-weight: 700; margin: 0 0 6px; font-size: 16px; }
.onb-body { margin: 0 0 12px; line-height: 1.4; font-size: 14px; }
.onb-actions { display: flex; gap: 8px; justify-content: flex-end; }
.onb-btn { padding: 8px 12px; border-radius: 10px; border: 1px solid #e5e7eb; background:#fff; cursor: pointer; }
.onb-btn.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-contrast); }
.onb-skip { margin-right: auto; opacity: 0.85; }

.onb-highlight {
  position: relative; z-index: 10005 !important;
  box-shadow: 0 0 0 3px var(--ring), 0 8px 18px rgba(0,0,0,.18);
  border-radius: 10px; transition: box-shadow .2s ease;
}

.onb-kbd {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: #f9fafb; border: 1px solid #d1d5db; color: #374151;
  padding: 2px 6px; border-radius: 6px; font-size: 12px;
}

@media (max-width: 600px) { .onb-panel { max-width: calc(100vw - 24px); } }

#contactModal .onb-panel {
  top: 50%; left: 50%; transform: translate(-50%, -50%); padding: 20px 22px;
}
#contactModal .onb-title { margin: 0 0 8px; }
#contactModal .onb-body  { margin: 0 0 14px; }
#contactModal label.inline {
  grid-column: 1 / -1; grid-template-columns: 1fr;
  gap: 6px; padding: 10px 12px; border-radius: 12px;
}
#contactModal label.inline input,
#contactModal label.inline textarea {
  width: 100%; background: var(--card); border: 1px solid var(--input);
  border-radius: 10px; padding: 10px 12px; font-size: 14px;
}
#contactModal textarea { min-height: 110px; resize: vertical; }
#contactModal .onb-actions {
  display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 10px;
}
#contactModal .onb-btn { padding: 10px 14px; border-radius: 10px; font-weight: 600; }
#contactModal .onb-btn.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-contrast); }
#contactModal .onb-btn.primary:hover { background: var(--primary-hover); }

/* ===== PiP notice ===== */
#pipNotice {
  position: fixed; right: 16px; bottom: 16px; z-index: 100000;
  max-width: 380px; padding: 12px 14px; border-radius: 12px;
  background: #1f2937; color: #fff; box-shadow: var(--shadow-soft);
  display: none; font: 500 14px/1.35 system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}
#pipNotice small { opacity: .8; display: block; margin-top: 6px; }
#pipNotice.show { display: block; }