/* Mobile flow stylesheet. Pulls design tokens from shared/tokens.css
   so the palette matches the desktop. Visual treatments here mirror
   the desktop's hero copy, hero-card panel, capture-tips, primary
   button, image-frame, finger-cards, and size-ref-table — the mobile
   flow is the desktop page paginated, not a different visual
   identity. */

@import url("../shared/tokens.css");

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-1);
  color: var(--ink);
  font-family: "Iowan Old Style", "Palatino", "Book Antiqua", "Times New Roman", serif;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

#mobileRoot {
  width: 100%;
  /* Cascade order: each later rule overrides on browsers supporting
     that unit. Old browsers stop at vh; modern iOS Safari reaches
     dvh which tracks URL-bar transitions, so per-step footers stay
     visible. */
  height: 100vh;
  height: 100svh;
  height: 100dvh;
}

/* --- Step base layout -------------------------------------------- */

.step {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  padding: max(16px, env(safe-area-inset-top, 0px)) 20px
    max(16px, env(safe-area-inset-bottom, 0px));
  background:
    radial-gradient(circle at 10% 10%, var(--bg-3), transparent 55%),
    radial-gradient(circle at 90% 0%, var(--bg-2), transparent 55%),
    linear-gradient(140deg, var(--bg-1), #fff8f2 60%, #f0e2d8 100%);
}

.step-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  min-height: 40px;
  flex: 0 0 auto;
}

.step-back {
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: white;
  color: var(--ink);
  font-size: 22px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.step-back:active {
  background: var(--sand);
}

.step-body {
  flex: 1 1 auto;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.step-foot {
  flex: 0 0 auto;
  padding-top: 14px;
}

/* Secondary action under a primary button — text-link weight so it
   reads as an "escape hatch" rather than an equally-weighted choice.
   Padding is sized to clear the WCAG 2.5.5 / Apple HIG ~44px minimum
   touch target. */
.step-link {
  display: block;
  width: 100%;
  margin-top: 8px;
  padding: 12px 16px;
  background: transparent;
  border: none;
  border-radius: 8px;
  color: var(--ink-soft);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}

.step-link:hover {
  color: var(--ink);
}

.step-link:focus-visible {
  color: var(--ink);
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.guide-upload-error {
  margin: 8px 4px 0;
  font-size: 0.85rem;
  color: var(--accent);
  text-align: center;
}

/* --- Typography (matches desktop hero/panel) --------------------- */

.hero-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-dark);
  margin: 0 0 24px;
}

.hero-headline {
  font-family: "Futura", "Gill Sans", "Optima", "Trebuchet MS", sans-serif;
  font-size: clamp(2rem, 8vw, 2.4rem);
  letter-spacing: 0.02em;
  line-height: 1.15;
  margin: 0 0 28px;
  color: var(--ink);
}

.hero-sub {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--ink-soft);
  margin: 0;
  max-width: 36ch;
}

/* Step 1 leans into a softly centered hero: vertically nudge the copy
   toward the middle so the eye lands on the headline, not the very
   top of the page. */
.step-intro .step-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* --- Panel (matches desktop .hero-card / .panel) ----------------- */

.panel {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 22px;
  box-shadow: 0 18px 40px rgba(43, 31, 31, 0.08);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  margin-bottom: 16px;
}

.panel:last-child {
  margin-bottom: 0;
}

.panel-title {
  font-family: "Futura", "Gill Sans", "Optima", "Trebuchet MS", sans-serif;
  font-size: 1.4rem;
  margin: 0 0 14px;
  color: var(--ink);
}

/* --- Form controls (matches desktop) ----------------------------- */

.controls {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.controls label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.controls input[type="text"],
.controls input[type="email"],
.controls select {
  /* Lock both controls to the same height. iOS Safari's native
     <select> renders at a slightly shorter intrinsic height than
     <input>, so identical padding alone doesn't match — an explicit
     height (with box-sizing: border-box, set globally) does. */
  height: 48px;
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0 14px;
  /* iOS auto-zoom guard — must be ≥ 16px. */
  font-size: 1rem;
  line-height: 1.4;
  background: white;
  color: var(--ink);
}

/* Strip the native <select> chrome (Safari's tiny up/down chevrons,
   inset shadows, etc.) so the visual treatment matches the text
   input. We restore a single chevron via a background-image so the
   dropdown affordance is still visible. */
.controls select {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  padding-right: 40px;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8' fill='none' stroke='%234b3d3d' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'><polyline points='1,2 6,7 11,2'/></svg>");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 12px 8px;
}

.form-error {
  margin: 12px 0 0;
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 600;
}

/* --- Capture tips (matches desktop) ----------------------------- */

.capture-tips {
  margin: 0;
  padding: 14px 18px 14px 32px;
  list-style: disc;
  background: rgba(191, 58, 43, 0.06);
  border-left: 3px solid rgba(191, 58, 43, 0.55);
  border-radius: 8px;
  font-size: 0.9rem;
  color: var(--ink-soft);
  line-height: 1.55;
}

.capture-tips li + li {
  margin-top: 6px;
}

.capture-tips strong {
  color: var(--ink);
}

/* "Like this" sample below the tips on the guide step. Same rounded
   image-frame chrome as the confirm preview / result overlay so the
   visual treatment is consistent across the three places we show a
   photo. */
.guide-example {
  margin: 16px 0 0;
  padding: 0;
}

.guide-example img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 14px;
  background: #f6efea;
  box-shadow: 0 6px 18px var(--shadow);
}

.guide-example figcaption {
  margin-bottom: 8px;
  font-size: 0.85rem;
  color: var(--ink-soft);
  text-align: center;
  font-style: italic;
}

/* --- Primary button --------------------------------------------- */

.primary {
  width: 100%;
  border: none;
  border-radius: 14px;
  padding: 14px 16px;
  font-size: 1rem;
  font-weight: 600;
  color: white;
  background: linear-gradient(120deg, var(--accent), #e25f4f);
  box-shadow: 0 12px 30px var(--shadow);
  cursor: pointer;
}

.primary:active {
  transform: translateY(1px);
}

.primary:disabled {
  /* Distinct solid color rather than an opacity fade. Opacity makes
     a disabled button look like a "weak" version of the live one,
     which is visually noisy on top of a busy video preview. A solid
     warm beige-gray with no shadow reads unambiguously as inactive
     while staying inside the cream palette. */
  background: #a89e8f;
  box-shadow: none;
  cursor: not-allowed;
}

/* --- Image frame (matches desktop input/result image panels) ---- */

.image-frame {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  background: #f6efea;
  min-height: 180px;
  display: grid;
  place-items: center;
}

.image-frame img {
  width: 100%;
  height: auto;
  display: none;
}

.image-frame.show img {
  display: block;
}

/* --- Confirm step status text ----------------------------------- */

/* Lives in the step-foot (not the panel) so it's always visible —
   tall photos can push panel content out of the visible step-body
   area, which would otherwise hide the live "Measuring… Xs" timer. */
.confirm-status {
  margin: 0 0 10px;
  font-size: 0.95rem;
  color: var(--ink-soft);
  text-align: center;
  /* Keep the timer line single-line so the layout doesn't jump as the
     seconds counter ticks; the message is short by design. */
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.confirm-status.error {
  color: var(--accent);
  font-weight: 600;
  /* Errors can be longer than the live timer; allow wrapping there. */
  white-space: normal;
}

/* --- Step 4 — Capture stage (full-bleed camera) ----------------- */

.step-capture {
  --capture-url-bar-inset: 0px;
  --capture-bottom-inset: max(
    28px,
    calc(var(--capture-url-bar-inset) + env(safe-area-inset-bottom, 0px) + 16px)
  );
  position: relative;
  padding: 0;
  background: #000;
}

.capture-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #000;
}

.capture-back,
.capture-flash {
  position: absolute;
  top: max(12px, env(safe-area-inset-top, 12px));
  width: 40px;
  height: 40px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.45);
  color: #fff;
  font-size: 22px;
  cursor: pointer;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  transition: background 0.15s ease, color 0.15s ease;
}

.capture-back {
  left: 12px;
}

.capture-flash {
  right: 12px;
  font-size: 18px;
}

.capture-back:hover,
.capture-back:focus-visible,
.capture-flash:hover,
.capture-flash:focus-visible {
  background: rgba(0, 0, 0, 0.65);
}

.capture-flash[aria-pressed="true"] {
  background: #fff8d4;
  color: #8a5b0a;
}

.capture-chips {
  position: absolute;
  bottom: calc(var(--capture-bottom-inset) + 64px);
  left: 16px;
  right: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  z-index: 2;
}

.capture-status {
  position: absolute;
  bottom: calc(var(--capture-bottom-inset) + 110px);
  left: 16px;
  right: 16px;
  margin: 0;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.85);
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.6);
  z-index: 2;
}

.capture-status.error {
  color: #ffd5d0;
  font-weight: 600;
}

.capture-controls {
  position: absolute;
  bottom: var(--capture-bottom-inset);
  left: 16px;
  right: 16px;
  z-index: 2;
}

.capture-controls .capture-shutter {
  width: 100%;
}

/* --- Status chips (distance / level) ---------------------------- */

.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  border: 1px solid transparent;
  background: rgba(255, 255, 255, 0.85);
  color: var(--ink-soft);
}

.status-chip .chip-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.8;
}

.status-chip.pending {
  color: var(--ink-soft);
  border-color: var(--border);
}

.status-chip.skipped {
  color: var(--ink-soft);
  border-color: var(--border);
  opacity: 0.6;
}

.status-chip.red {
  color: #b1271b;
  background: #fde7e3;
  border-color: rgba(177, 39, 27, 0.4);
}

.status-chip.amber {
  color: #8a5b0a;
  background: #fbeed1;
  border-color: rgba(138, 91, 10, 0.4);
}

.status-chip.green {
  color: #1f6b34;
  background: #d8f1de;
  border-color: rgba(31, 107, 52, 0.4);
}

/* --- Bubble level (capture stage) ------------------------------- */
/* iPhone-style two-cross level. A static white cross marks the center
   target; a second cross of the same shape drifts toward the high side
   of the device. When the device is in tolerance the moving cross snaps
   to the center and turns green (the two crosses visually merge). When
   out of tolerance it floats out, clamped to a max radius, in red. The
   ±5° tolerance ring is decorative — it gives the user a sense of how
   far "in tolerance" is — and stays neutral white. */

.capture-level-bubble {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 128px;
  height: 128px;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 2;
  --neutral-color: rgba(255, 255, 255, 0.85);
  --indicator-color: rgba(255, 255, 255, 0.85);
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.55));
}

.capture-level-bubble[data-state="green"] {
  --indicator-color: #6ce39a;
}

.capture-level-bubble[data-state="red"] {
  --indicator-color: #ff8a7e;
}

/* Tolerance ring + center crosshair stay neutral so only the moving
   cross signals state (per design feedback). */
.capture-level-bubble .bubble-tolerance {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  border: 1.5px solid var(--neutral-color);
  opacity: 0.85;
}

.capture-level-bubble .bubble-crosshair-h,
.capture-level-bubble .bubble-crosshair-v {
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--neutral-color);
  opacity: 0.6;
}

.capture-level-bubble .bubble-crosshair-h {
  width: 14px;
  height: 1.5px;
  transform: translate(-50%, -50%);
}

.capture-level-bubble .bubble-crosshair-v {
  width: 1.5px;
  height: 14px;
  transform: translate(-50%, -50%);
}

/* Moving cross. The wrapper is the element JS translates every tick;
   the two arms inside form the cross relative to the wrapper's origin. */
.capture-level-bubble .bubble-indicator {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 14px;
  transform: translate(-50%, -50%);
  /* Linear transform transition smooths the 100 ms detection tick;
     also gives the snap-to-center on green a brief settle motion. */
  transition: transform 0.08s linear;
}

.capture-level-bubble .bubble-indicator-h,
.capture-level-bubble .bubble-indicator-v {
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--indicator-color);
  transition: background 0.18s ease;
}

.capture-level-bubble .bubble-indicator-h {
  width: 18px;
  height: 2px;
  transform: translate(-50%, -50%);
}

.capture-level-bubble .bubble-indicator-v {
  width: 2px;
  height: 18px;
  transform: translate(-50%, -50%);
}

.capture-level-bubble[data-state="pending"] .bubble-indicator {
  opacity: 0;
}

/* --- Step 6 — Result -------------------------------------------- */

/* Top-of-result feedback banner. Mirrors the desktop's status text
   semantically (single line of feedback after measurement) but is
   visually a small panel-shaped card so it reads as a result rather
   than form chrome. Color-coded: green = success, red = failure. */
.result-status {
  margin: 0 0 16px;
  padding: 14px 16px;
  border-radius: 14px;
  background: white;
  border: 1px solid var(--border);
  border-left: 4px solid var(--ink-soft);
  box-shadow: 0 6px 18px var(--shadow);
}

.result-status p {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.5;
}

.result-status-success {
  background: #e8f4ec;
  border-color: rgba(31, 107, 52, 0.4);
  border-left-color: #1f6b34;
}

.result-status-success p {
  color: #1f6b34;
}

.result-status-error {
  background: #fde7e3;
  border-color: rgba(177, 39, 27, 0.4);
  border-left-color: var(--accent);
}

.result-status-error p {
  color: #b1271b;
}

/* Three finger cards stacked vertically (instead of the desktop's
   3-column grid) — narrower mobile width fits a single column more
   comfortably without shrinking the size number. */
.finger-cards {
  display: flex;
  flex-direction: column;
  gap: 10px;
  /* Padding-top (not margin-top) clears the floating "Recommended"
     badge that overhangs the first card at top: -12px. Margin-top
     would collapse with .panel-title's margin-bottom: 14px and produce
     no visible change; padding doesn't collapse. */
  padding-top: 16px;
  margin-bottom: 12px;
}

.finger-card {
  position: relative;
  background: var(--sand);
  border-radius: 10px;
  padding: 14px 16px 16px;
  text-align: center;
  box-shadow: 0 1px 4px var(--shadow);
}

.finger-card .finger-badge {
  position: absolute;
  top: -12px;
  right: 12px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  line-height: 1;
  box-shadow: 0 1px 3px var(--shadow);
}

.finger-card .finger-name {
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.finger-card .finger-size-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  margin-top: 4px;
}

.finger-card .finger-size {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.1;
  margin: 2px 0;
}

.finger-card .finger-range {
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.finger-card .finger-width {
  font-size: 0.9rem;
  color: var(--ink-soft);
  margin-top: 4px;
}

.finger-card-failed {
  opacity: 0.85;
}

.finger-card .finger-failed {
  font-size: 1rem;
  font-weight: 600;
  color: #721c24;
  margin: 8px 0 4px;
}

.finger-card .finger-fail-reason {
  font-size: 0.78rem;
  color: var(--ink-soft);
  word-break: break-word;
}

.finger-count {
  text-align: center;
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-top: 8px;
  margin-bottom: 12px;
}

/* --- Size reference table (mirrors desktop) --------------------- */

.size-ref-table {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.size-ref-title {
  font-family: "Futura", "Gill Sans", "Optima", "Trebuchet MS", sans-serif;
  font-size: 1rem;
  margin: 0 0 8px;
  color: var(--ink);
  /* Center the model-label heading so it lines up with the centered
     SIZE / Inner Diameter (mm) columns below — same alignment story as
     the desktop. */
  /*text-align: center;*/
}

.size-ref-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.size-ref-table th,
.size-ref-table td {
  padding: 8px 10px;
  /* Match the desktop alignment — both headers and values are
     centered, which is more comfortable to scan when the columns
     are short numeric values. */
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.size-ref-table th {
  font-weight: 600;
  color: var(--ink-soft);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.size-ref-table tbody tr:nth-child(even) {
  background: rgba(245, 241, 231, 0.5);
}

/* --- Feedback panel (mirrors desktop .feedback-*) ---------------- */

.feedback-panel .feedback-hint {
  margin: 0 0 12px;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.feedback-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.feedback-rating {
  display: flex;
  gap: 6px;
}

.star-btn {
  background: none;
  border: none;
  padding: 4px 6px;
  font-size: 2rem;
  line-height: 1;
  color: rgba(45, 33, 33, 0.25);
  cursor: pointer;
  transition: color 0.15s ease, transform 0.1s ease;
}

.star-btn.star-filled { color: #e3a73b; }

.feedback-form textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  /* 1rem keeps iOS Safari from auto-zooming the page on focus
     (same reason the .controls inputs use 1rem). */
  font-size: 1rem;
  font-family: inherit;
  background: white;
  color: var(--ink);
  resize: vertical;
  min-height: 80px;
}

.feedback-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  flex-direction: row-reverse;
  justify-content: flex-start;
}

.feedback-submit {
  width: auto;
  padding: 10px 22px;
}

.feedback-status {
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.feedback-status-ok { color: #2f7a3d; }
.feedback-status-error { color: var(--accent); font-weight: 600; }