/* JINHUI · The Reading — client-facing scan demo
   Extends jinhui.css. Used both standalone and inside an iframe in JINHUI.html. */

html, body { height: 100%; margin: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

/* ── layout ─────────────────────────────────────────────────────────── */

.reading {
  position: relative;
  height: 100vh;
  width: 100vw;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 0;
  background: var(--bg);
}

/* ── stage (left): face + markers ───────────────────────────────────── */

.reading-stage {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(120% 80% at 50% 30%, #F2F0E8 0%, #E5E3D8 100%);
  display: grid;
  place-items: center;
  padding: 24px;
}

.reading-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(11,12,14,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(11,12,14,0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(60% 50% at 50% 45%, #000 70%, transparent 100%);
  pointer-events: none;
}

.reading-frame {
  position: relative;
  width: min(82%, 380px);
  aspect-ratio: 4 / 5;
  border-radius: 18px;
  overflow: hidden;
  box-shadow:
    0 1px 0 rgba(255,255,255,0.6) inset,
    0 30px 60px -30px rgba(11,12,14,0.35),
    0 8px 24px -10px rgba(11,12,14,0.18);
  background: var(--blue-deep);
}

/* image-slot inside frame */
.reading-frame image-slot {
  display: block;
  width: 100%; height: 100%;
}

/* drop-state styling */
.reading-frame .empty-overlay {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  background:
    linear-gradient(180deg, #1B2A5C 0%, #14224F 100%);
  color: rgba(255,255,255,0.85);
  pointer-events: none;
  z-index: 2;
}
.reading-frame.filled .empty-overlay { display: none; }
.empty-overlay-inner {
  text-align: center;
  padding: 24px;
}
.empty-overlay-inner .ico {
  width: 56px; height: 56px;
  margin: 0 auto 18px;
  border-radius: 50%;
  border: 1.5px dashed rgba(255,255,255,0.5);
  display: grid; place-items: center;
  animation: emptyBreathe 2.6s ease-in-out infinite;
}
@keyframes emptyBreathe {
  0%, 100% { transform: scale(1); opacity: 0.85; }
  50% { transform: scale(1.06); opacity: 1; }
}
.empty-overlay-inner .ico svg {
  width: 26px; height: 26px;
  color: rgba(255,255,255,0.7);
}
.empty-overlay-inner .cta {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 17px;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}
html[data-lang="zh"] .empty-overlay-inner .cta {
  font-family: var(--zh); font-weight: 400; letter-spacing: 0.04em;
}
.empty-overlay-inner .sub {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
}
html[data-lang="zh"] .empty-overlay-inner .sub {
  font-family: var(--zh-sans); letter-spacing: 0.2em; text-transform: none;
}

/* sweeping scan line */
.scan-line {
  position: absolute; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--blue), transparent);
  filter: drop-shadow(0 0 6px rgba(36,59,122,0.7));
  z-index: 3;
  pointer-events: none;
  animation: scanSweep 3.4s ease-in-out infinite;
}
@keyframes scanSweep {
  0% { top: 0; opacity: 0; }
  10% { opacity: 1; }
  50% { top: 100%; opacity: 1; }
  60% { top: 100%; opacity: 0; }
  100% { top: 0; opacity: 0; }
}

/* markers SVG overlay */
.markers-svg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 4;
}
.markers-svg .grp { pointer-events: auto; cursor: pointer; }
.markers-svg .ring {
  fill: none;
  stroke: rgba(255,255,255,0.85);
  stroke-width: 1;
  stroke-dasharray: 2 3;
}
.reading-frame:not(.filled) .markers-svg .ring { stroke: rgba(255,255,255,0.5); }
.markers-svg .dot { fill: var(--blue); }
.markers-svg .core { fill: #fff; }
.markers-svg .label {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  fill: rgba(255,255,255,0.9);
  text-transform: uppercase;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,0.4));
}
html[data-lang="zh"] .markers-svg .label {
  font-family: 'Noto Sans SC', sans-serif;
  letter-spacing: 0.06em;
  text-transform: none;
  font-size: 11px;
}
.markers-svg .grp { animation: markerAppear 0.6s ease-out backwards; }
.markers-svg .grp.m1 { animation-delay: 0.4s; }
.markers-svg .grp.m2 { animation-delay: 0.7s; }
.markers-svg .grp.m3 { animation-delay: 1.0s; }
.markers-svg .grp.m4 { animation-delay: 1.3s; }
.markers-svg .grp.m5 { animation-delay: 1.6s; }
@keyframes markerAppear {
  from { opacity: 0; transform: scale(0.7); transform-origin: center; }
  to { opacity: 1; transform: scale(1); }
}

/* frame label band on top */
.frame-band {
  position: absolute; top: 0; left: 0; right: 0;
  padding: 12px 16px;
  background: linear-gradient(180deg, rgba(11,12,14,0.65), transparent);
  display: flex; justify-content: space-between; align-items: center;
  z-index: 5;
  pointer-events: none;
}
.frame-band .l {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
}
html[data-lang="zh"] .frame-band .l {
  font-family: var(--zh-sans); letter-spacing: 0.24em; text-transform: none; font-size: 11px;
}
.frame-band .state {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px;
  background: rgba(255,255,255,0.12);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fff;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
html[data-lang="zh"] .frame-band .state {
  font-family: var(--zh-sans); letter-spacing: 0.18em; text-transform: none;
}
.frame-band .state i {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--blue);
  animation: pulseBlue 1.4s ease-in-out infinite;
}
.frame-band .state.done i { background: #5BAE6B; animation: none; }
@keyframes pulseBlue {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255,255,255,0.5); }
  50% { box-shadow: 0 0 0 4px rgba(255,255,255,0); }
}

/* ── readout panel (right) ──────────────────────────────────────────── */

.reading-panel {
  background: var(--paper);
  border-left: 1px solid var(--rule);
  padding: 36px 36px 32px;
  display: flex; flex-direction: column;
  overflow: auto;
  min-height: 0;
}

.reading-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 14px;
}
html[data-lang="zh"] .reading-eyebrow {
  font-family: var(--zh-sans); letter-spacing: 0.28em; text-transform: none;
}

.reading-title {
  font-family: var(--sans);
  font-weight: 500;
  font-size: clamp(30px, 3.2vw, 44px);
  line-height: 1.04;
  letter-spacing: -0.035em;
  margin: 0 0 8px;
  text-wrap: balance;
  max-width: 14ch;
}
.reading-title .em {
  font-family: var(--serif); font-style: italic; font-weight: 400; color: var(--blue);
}
html[data-lang="zh"] .reading-title {
  font-family: var(--zh); font-weight: 400; letter-spacing: 0.04em;
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.2;
}
html[data-lang="zh"] .reading-title .em { font-family: var(--zh); font-style: normal; }

.reading-sub {
  font-size: 14.5px;
  color: var(--ink-2);
  line-height: 1.55;
  margin: 8px 0 24px;
  max-width: 38ch;
}
html[data-lang="zh"] .reading-sub {
  font-family: var(--zh-sans); letter-spacing: 0.03em; line-height: 1.85; font-size: 14px;
}

.reading-band {
  display: flex; flex-direction: column;
}
.reading-band-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto 110px;
  gap: 14px;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px dashed var(--rule-2);
}
.reading-band-row:last-child { border-bottom: 0; }
.reading-band-row.empty { opacity: 0.4; }

.reading-band-row .lab {
  display: flex; align-items: center; gap: 10px;
  font-size: 14px;
  color: var(--ink);
  min-width: 0;
}
.reading-band-row .lab .ico {
  width: 28px; height: 28px;
  border-radius: 8px;
  background: var(--blue-tint);
  color: var(--blue);
  display: grid; place-items: center;
  flex-shrink: 0;
}
.reading-band-row .lab .ico svg { width: 14px; height: 14px; }
.reading-band-row .lab .nm {
  display: flex; flex-direction: column; gap: 1px;
  min-width: 0;
}
.reading-band-row .lab .nm .n {
  font-size: 14px; font-weight: 500; letter-spacing: -0.005em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.reading-band-row .lab .nm .sub {
  font-family: var(--mono);
  font-size: 10px; color: var(--ink-3);
  letter-spacing: 0.04em;
}
html[data-lang="zh"] .reading-band-row .lab .nm .n {
  font-family: var(--zh-sans); letter-spacing: 0.03em;
}
html[data-lang="zh"] .reading-band-row .lab .nm .sub {
  font-family: var(--zh-sans); letter-spacing: 0.06em;
}

.reading-band-row .v {
  font-family: var(--mono);
  font-size: 17px;
  letter-spacing: -0.03em;
  color: var(--ink);
  text-align: right;
}
.reading-band-row .v .u {
  font-size: 11px; color: var(--ink-3); margin-left: 2px;
}
.reading-band-row .v.muted { color: var(--ink-3); }

.reading-band-row .bar {
  height: 4px; border-radius: 999px;
  background: var(--rule-2); overflow: hidden;
  position: relative;
}
.reading-band-row .bar i {
  display: block; height: 100%;
  background: var(--ink);
  border-radius: inherit;
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.reading-band-row .bar i.warn { background: var(--purple); }
.reading-band-row .bar i.opt  { background: var(--blue); }

/* call-to-action band */
.reading-cta {
  margin-top: auto;
  padding-top: 28px;
  border-top: 1px solid var(--rule);
}
.reading-cta-row {
  display: flex; gap: 10px; flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
}
.reading-cta-info {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-3);
}
html[data-lang="zh"] .reading-cta-info {
  font-family: var(--zh-sans); letter-spacing: 0.1em; font-size: 12px;
}

.reading-btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 22px;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  border: 0;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s, transform 0.12s;
}
.reading-btn:hover { background: var(--blue-deep); transform: translateY(-1px); }
html[data-lang="zh"] .reading-btn { font-family: var(--zh-sans); letter-spacing: 0.1em; }

/* recommended protocol chip strip */
.reading-protocol {
  margin-top: 22px;
  padding: 16px 18px;
  background: var(--blue-tint);
  border: 1px solid var(--blue-soft);
  border-radius: 12px;
}
.reading-protocol .lab {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 10px;
}
html[data-lang="zh"] .reading-protocol .lab {
  font-family: var(--zh-sans); letter-spacing: 0.26em; text-transform: none;
}
.reading-protocol .name {
  font-family: var(--serif); font-style: italic;
  font-size: 20px; color: var(--ink);
  margin-bottom: 6px;
}
.reading-protocol .name .em { color: var(--blue); }
html[data-lang="zh"] .reading-protocol .name {
  font-family: var(--zh); font-style: normal; letter-spacing: 0.04em;
}
.reading-protocol .meta {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink-2);
}
html[data-lang="zh"] .reading-protocol .meta {
  font-family: var(--zh-sans); letter-spacing: 0.04em;
}

/* ── responsive (when standalone, narrow) ───────────────────────────── */

@media (max-width: 680px) {
  .reading {
    grid-template-columns: 1fr;
    grid-template-rows: 58vh 1fr;
    height: auto;
    min-height: 100vh;
  }
  .reading-panel { border-left: 0; border-top: 1px solid var(--rule); padding: 32px 24px; }
}

/* ── lang toggle (when used standalone) ─────────────────────────────── */
.reading-lang {
  position: absolute;
  top: 16px; right: 18px;
  display: inline-flex;
  border: 1px solid rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.08);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-radius: 999px;
  padding: 3px;
  z-index: 10;
  font-size: 11.5px;
}
.reading-lang button {
  appearance: none; border: 0; background: transparent;
  padding: 5px 11px;
  border-radius: 999px;
  color: rgba(255,255,255,0.7);
  font: inherit;
  font-family: var(--sans);
  cursor: pointer;
  letter-spacing: 0.04em;
}
.reading-lang button.zh { font-family: var(--zh-sans); letter-spacing: 0.06em; }
.reading-lang button[aria-pressed="true"] { background: #fff; color: var(--ink); }

/* Embedded mode (inside iframe in JINHUI.html) — hide standalone-only chrome */
.reading[data-embed="1"] .reading-lang { display: none; }