:root {
  --bg: #090816;
  --bg-soft: #121127;
  --bg-card: rgba(17, 18, 37, 0.78);
  --bg-card-strong: rgba(10, 11, 26, 0.92);
  --line: rgba(255, 255, 255, 0.12);
  --line-strong: rgba(255, 255, 255, 0.24);
  --text: #f8f5ee;
  --muted: #bcb6c8;
  --accent: #ff7a7a;
  --accent-soft: #ffbc7d;
  --cool: #8fd4ff;
  --good: #83ffca;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.42);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(127, 86, 217, 0.16), transparent 34%),
    radial-gradient(circle at 80% 12%, rgba(255, 118, 118, 0.18), transparent 22%),
    radial-gradient(circle at 18% 92%, rgba(90, 136, 255, 0.16), transparent 26%),
    linear-gradient(180deg, #090816 0%, #080815 42%, #0d0d1f 100%);
  font-family: "Space Grotesk", "PingFang SC", "Microsoft YaHei", sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.32) 0 1px, transparent 1px),
    radial-gradient(circle at 70% 12%, rgba(255, 255, 255, 0.3) 0 1px, transparent 1px),
    radial-gradient(circle at 85% 70%, rgba(255, 255, 255, 0.24) 0 1px, transparent 1px),
    radial-gradient(circle at 30% 80%, rgba(255, 255, 255, 0.18) 0 1px, transparent 1px);
  background-size: 360px 360px;
  opacity: 0.36;
  pointer-events: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

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

.app-shell {
  position: relative;
  z-index: 1;
  width: min(1160px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 28px 0 72px;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 45% 45%, rgba(149, 219, 255, 0.95), transparent 30%),
    radial-gradient(circle at 55% 55%, rgba(255, 189, 120, 0.95), transparent 46%),
    radial-gradient(circle, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.02));
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.08),
    0 18px 36px rgba(0, 0, 0, 0.35);
}

.brand-copy strong {
  display: block;
  font-size: 1rem;
  letter-spacing: 0.05em;
}

.brand-copy span {
  display: block;
  font-size: 0.88rem;
  color: var(--muted);
}

.ghost-link {
  appearance: none;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  border-radius: 999px;
  padding: 10px 16px;
  cursor: pointer;
}

.panel {
  position: relative;
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.hero {
  padding: 40px clamp(20px, 5vw, 56px);
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #efe8ff;
  font-size: 0.9rem;
  margin-bottom: 18px;
}

.hero h1,
.section-title,
.result-title,
.card-title,
.share-preview h3,
.question-prompt,
.result-quote {
  font-family: "Noto Serif SC", serif;
}

.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(2.2rem, 5vw, 4.4rem);
  line-height: 1.05;
  letter-spacing: 0.02em;
}

.hero p {
  margin: 0;
  max-width: 620px;
  color: var(--muted);
  line-height: 1.75;
  font-size: 1.02rem;
}

.hero-actions,
.stack,
.inline-actions,
.mode-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions {
  margin-top: 28px;
}

.button,
.button-secondary,
.button-ghost,
.pill-button {
  appearance: none;
  cursor: pointer;
  border: 0;
  transition: transform 160ms ease, opacity 160ms ease, border-color 160ms ease, background 160ms ease;
}

.button:hover,
.button-secondary:hover,
.button-ghost:hover,
.pill-button:hover,
.ghost-link:hover {
  transform: translateY(-1px);
}

.button {
  padding: 14px 22px;
  border-radius: 999px;
  background: linear-gradient(135deg, #ff7f79 0%, #ffb36b 55%, #ffe19a 100%);
  color: #140d0d;
  font-weight: 700;
  box-shadow: 0 18px 34px rgba(255, 124, 109, 0.26);
}

.button-secondary {
  padding: 14px 22px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(142, 213, 255, 0.18), rgba(255, 255, 255, 0.08));
  color: var(--text);
  border: 1px solid rgba(143, 212, 255, 0.3);
}

.button-ghost {
  padding: 12px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  border: 1px solid var(--line);
}

.hero-card {
  padding: 22px;
  min-height: 100%;
  background:
    radial-gradient(circle at top right, rgba(255, 134, 143, 0.16), transparent 34%),
    rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-carousel {
  position: relative;
  overflow: hidden;
  border-radius: calc(var(--radius-xl) - 10px);
  margin-bottom: 18px;
}

.hero-carousel-track {
  display: flex;
  transition: transform 440ms ease;
}

.hero-slide {
  min-width: 100%;
  margin: 0;
  position: relative;
}

.hero-slide img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
}

.hero-slide-caption {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 14px;
  padding: 12px 14px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(8, 9, 20, 0.18), rgba(8, 9, 20, 0.86));
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
}

.hero-slide-caption strong,
.hero-slide-caption span {
  display: block;
}

.hero-slide-caption strong {
  margin-bottom: 4px;
}

.hero-slide-caption span,
.hero-card-note {
  color: var(--muted);
  line-height: 1.65;
}

.hero-carousel-dots {
  position: absolute;
  left: 50%;
  bottom: 14px;
  transform: translateX(-50%);
  display: inline-flex;
  gap: 8px;
  z-index: 2;
}

.hero-dot {
  width: 10px;
  height: 10px;
  padding: 0;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.26);
  background: rgba(255, 255, 255, 0.22);
  cursor: pointer;
}

.hero-dot.active {
  background: linear-gradient(135deg, #8fd4ff, #ffbd7d);
  border-color: rgba(255, 255, 255, 0.4);
}

.hero-card .stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.stat-chip,
.metric-chip,
.answer-chip,
.reason-chip {
  padding: 12px 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.stat-chip strong,
.metric-chip strong {
  display: block;
  font-size: 1.08rem;
}

.stat-chip span,
.metric-chip span,
.muted,
.upload-note,
.helper-text,
.step-counter {
  color: var(--muted);
}

.hero-card-note {
  margin: 0 0 18px;
  font-size: 0.95rem;
}

.layout {
  display: grid;
  gap: 22px;
  margin-top: 22px;
}

.capture-layout,
.result-layout,
.share-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 22px;
}

.capture-panel,
.question-panel,
.result-panel,
.side-panel,
.share-panel {
  padding: clamp(18px, 3vw, 28px);
}

.section-title {
  margin: 0 0 8px;
  font-size: clamp(1.5rem, 2.8vw, 2.3rem);
}

.section-copy {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.capture-grid,
.question-grid,
.metrics-grid,
.line-grid,
.mode-grid {
  display: grid;
  gap: 16px;
}

.capture-grid {
  margin-top: 24px;
}

.capture-slot {
  padding: 18px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.capture-slot-header,
.row-between,
.result-heading,
.share-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.capture-preview {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at top, rgba(143, 212, 255, 0.16), transparent 34%),
    rgba(6, 7, 19, 0.95);
  border: 1px dashed rgba(255, 255, 255, 0.18);
  overflow: hidden;
  display: grid;
  place-items: center;
  margin: 16px 0;
  text-align: center;
  color: var(--muted);
  padding: 18px;
}

.capture-preview-button {
  width: 100%;
  cursor: pointer;
  color: inherit;
  font: inherit;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.capture-preview-button:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 188, 125, 0.3);
  background:
    radial-gradient(circle at top, rgba(143, 212, 255, 0.2), transparent 36%),
    rgba(8, 9, 21, 0.98);
}

.capture-preview-button:focus-visible {
  outline: 2px solid rgba(255, 188, 125, 0.7);
  outline-offset: 3px;
}

.capture-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.capture-preview .circle-preview {
  width: min(80%, 280px);
  aspect-ratio: 1;
  border-radius: 50%;
  overflow: hidden;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.16);
}

.file-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.capture-preview-cta {
  display: inline-flex;
  margin-top: 14px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.92rem;
}

.helper-list {
  margin: 18px 0 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.7;
}

.helper-list-compact {
  margin-top: 14px;
  line-height: 1.75;
}

.expand-card {
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(circle at top, rgba(143, 212, 255, 0.08), transparent 44%),
    rgba(255, 255, 255, 0.025);
  overflow: clip;
}

.expand-card summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.92);
}

.expand-card summary::-webkit-details-marker {
  display: none;
}

.expand-card summary::after {
  content: "+";
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.82);
  font-size: 1rem;
  line-height: 1;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.expand-card[open] summary::after {
  content: "−";
  transform: rotate(180deg);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.18);
}

.expand-card-body {
  padding: 0 18px 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.expand-card-body .helper-text:last-child {
  margin-bottom: 0;
}

.example-shot {
  margin: 16px 0 12px;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(5, 7, 17, 0.86);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}

.example-shot img {
  display: block;
  width: 100%;
  height: auto;
}

.question-panel {
  display: grid;
  gap: 18px;
}

.question-card {
  padding: 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.question-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.question-prompt {
  margin: 0 0 14px;
  font-size: 1.18rem;
  line-height: 1.5;
}

.option-grid {
  display: grid;
  gap: 10px;
}

.pill-button {
  width: 100%;
  text-align: left;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.pill-button.active {
  background: linear-gradient(135deg, rgba(255, 127, 121, 0.18), rgba(143, 212, 255, 0.18));
  border-color: rgba(255, 188, 125, 0.45);
}

.option-label {
  display: block;
  font-weight: 700;
  margin-bottom: 6px;
}

.option-desc {
  display: block;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.6;
}

.loading-wrap {
  display: grid;
  place-items: center;
  min-height: 62vh;
}

.loading-card {
  width: min(520px, 100%);
  padding: 34px;
  text-align: center;
}

.orbits {
  position: relative;
  width: 180px;
  height: 180px;
  margin: 0 auto 24px;
}

.orbit,
.orbit::before {
  position: absolute;
  inset: 0;
  border-radius: 50%;
}

.orbit {
  border: 1px solid rgba(255, 255, 255, 0.12);
  animation: spin 7.2s linear infinite;
}

.orbit::before {
  content: "";
  inset: 18px;
  border: 1px solid rgba(143, 212, 255, 0.18);
}

.orbit-2 {
  inset: 18px;
  animation-duration: 4.6s;
  animation-direction: reverse;
}

.orbit-3 {
  inset: 36px;
  animation-duration: 3.1s;
}

.core-dot {
  position: absolute;
  inset: 50%;
  width: 24px;
  height: 24px;
  margin: -12px 0 0 -12px;
  border-radius: 50%;
  background: radial-gradient(circle, #fff 0, #a7dcff 35%, rgba(255, 173, 107, 0.92) 72%, transparent 75%);
  box-shadow: 0 0 40px rgba(255, 182, 133, 0.46);
}

.result-cover {
  display: grid;
  gap: 18px;
}

.nebula-frame {
  padding: 14px;
  border-radius: 30px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.nebula-frame img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 22px;
}

.result-score {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 188, 125, 0.22);
}

.result-score > span,
.result-score strong {
  white-space: nowrap;
}

.result-score > span {
  color: var(--muted);
}

.score-bar {
  flex: 1 1 120px;
  width: 120px;
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.score-fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #8fd4ff 0%, #ffbd7d 55%, #ff7d79 100%);
}

.result-title {
  margin: 0;
  font-size: clamp(2rem, 3.4vw, 3rem);
  line-height: 1.15;
}

.result-subtitle {
  margin: 6px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.result-quote {
  margin: 24px 0 0;
  padding: 22px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(255, 126, 121, 0.1), rgba(143, 212, 255, 0.12));
  border: 1px solid rgba(255, 255, 255, 0.1);
  line-height: 1.9;
  font-size: 1.04rem;
}

.metrics-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.line-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.line-card,
.metric-card,
.reason-card,
.mini-card,
.pair-card {
  padding: 18px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.line-card h4,
.metric-card h4,
.reason-card h4,
.pair-card h4,
.mini-card h4 {
  margin: 0 0 10px;
  font-size: 1rem;
}

.line-card p,
.metric-card p,
.reason-card p,
.pair-card p,
.mini-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.mini-card-button {
  width: 100%;
  text-align: left;
  color: inherit;
  cursor: pointer;
  font: inherit;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.mini-card-button:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 188, 125, 0.3);
  background: rgba(255, 255, 255, 0.05);
}

.mini-card-button.active {
  border-color: rgba(255, 188, 125, 0.38);
  background: linear-gradient(135deg, rgba(255, 126, 121, 0.1), rgba(143, 212, 255, 0.08));
}

.result-footer {
  margin-top: 24px;
  display: grid;
  gap: 16px;
}

.space-message {
  padding: 18px 20px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #ffe3b7;
}

.share-preview {
  display: grid;
  gap: 16px;
}

.share-canvas-wrap {
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.26);
}

.share-canvas-wrap canvas,
.share-canvas-wrap img {
  width: 100%;
  height: auto;
  display: block;
}

.notice {
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--muted);
  line-height: 1.7;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.answer-chip,
.reason-chip {
  font-size: 0.92rem;
  color: var(--text);
}

.crop-modal {
  position: fixed;
  inset: 0;
  z-index: 30;
  background: rgba(5, 6, 16, 0.78);
  display: grid;
  align-items: center;
  justify-items: center;
  padding: 18px;
  backdrop-filter: blur(8px);
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

.crop-card {
  width: min(980px, 100%);
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 18px;
  padding: 18px;
  border-radius: 28px;
  background: rgba(12, 13, 29, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
  max-height: calc(100dvh - 36px);
  overflow: auto;
}

.crop-stage {
  background: rgba(5, 6, 16, 0.88);
  border-radius: 24px;
  overflow: hidden;
  min-height: 520px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.crop-stage canvas {
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
}

.crop-sidebar {
  display: grid;
  gap: 16px;
  align-content: start;
}

.busy-overlay {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: rgba(5, 6, 16, 0.76);
  backdrop-filter: blur(10px);
  display: grid;
  place-items: center;
  padding: 18px;
}

.busy-card {
  width: min(420px, 100%);
  padding: 28px 24px;
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(10, 11, 24, 0.96);
  box-shadow: var(--shadow);
  text-align: center;
}

.busy-card-scan {
  width: min(560px, 100%);
  padding: 26px 24px 24px;
  text-align: left;
}

.scan-shell {
  position: relative;
  min-height: 320px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
}

.scan-visor {
  position: relative;
  width: min(280px, 68vw);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
}

.scan-visor::before,
.scan-visor::after {
  content: "";
  position: absolute;
  inset: -12px;
  border-radius: 50%;
  pointer-events: none;
}

.scan-visor::before {
  border: 1px dashed rgba(148, 222, 255, 0.2);
  opacity: 0.75;
}

.scan-visor::after {
  inset: 12%;
  border: 1px solid rgba(124, 228, 255, 0.12);
  box-shadow: 0 0 28px rgba(64, 159, 255, 0.16);
}

.scan-visor-frame {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid rgba(148, 222, 255, 0.42);
  box-shadow:
    0 0 0 1px rgba(98, 180, 255, 0.18),
    0 0 36px rgba(72, 157, 255, 0.24),
    inset 0 0 28px rgba(0, 0, 0, 0.34);
  background:
    radial-gradient(circle at center, rgba(120, 196, 255, 0.16), rgba(13, 17, 34, 0.88)),
    repeating-linear-gradient(
      to bottom,
      rgba(148, 222, 255, 0.08) 0,
      rgba(148, 222, 255, 0.08) 1px,
      transparent 1px,
      transparent 18px
    );
}

.scan-visor-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.24), transparent 22%, transparent 78%, rgba(0, 0, 0, 0.24)),
    radial-gradient(circle at center, transparent 44%, rgba(74, 173, 255, 0.08) 72%, rgba(74, 173, 255, 0.18) 100%);
  mix-blend-mode: screen;
  pointer-events: none;
}

.scan-visor-frame img,
.scan-visor-frame .scan-fallback-eye {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.04) contrast(1.06);
}

.scan-fallback-eye {
  background: radial-gradient(circle at 50% 50%, rgba(94, 172, 255, 0.36), rgba(9, 12, 24, 0.94) 68%);
}

.scan-laser {
  position: absolute;
  left: 6%;
  right: 6%;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(47, 182, 255, 0), rgba(111, 216, 255, 0.98), rgba(47, 182, 255, 0));
  box-shadow:
    0 0 18px rgba(111, 216, 255, 0.8),
    0 0 38px rgba(58, 148, 255, 0.45);
  animation: scanSweep 1.25s ease-in-out infinite;
}

.scan-target {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(143, 212, 255, 0.24);
  box-shadow: 0 0 24px rgba(71, 174, 255, 0.12);
}

.scan-target-outer {
  inset: 9%;
  animation: targetPulse 2.6s ease-in-out infinite;
}

.scan-target-inner {
  inset: 25%;
  border-color: rgba(143, 212, 255, 0.38);
  animation: targetPulse 2.6s ease-in-out infinite reverse;
}

.scan-readouts {
  position: absolute;
  top: 2px;
  right: 0;
  width: min(210px, 40%);
  display: grid;
  gap: 10px;
  justify-items: end;
}

.scan-chip {
  width: 100%;
  padding: 10px 12px;
  border-radius: 18px;
  border: 1px solid rgba(148, 222, 255, 0.18);
  background: linear-gradient(135deg, rgba(16, 24, 46, 0.92), rgba(8, 13, 28, 0.92));
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.28);
  opacity: 0;
  transform: translate3d(24px, -12px, 0) scale(0.96);
  animation: scanChipIn 0.48s cubic-bezier(0.2, 0.78, 0.24, 1.08) forwards;
  animation-delay: var(--scan-delay, 0s);
}

.scan-chip span {
  display: block;
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: rgba(181, 216, 255, 0.76);
}

.scan-chip strong {
  display: block;
  margin-top: 5px;
  font-size: 1rem;
  color: #eff8ff;
}

.busy-title-scan {
  text-align: center;
}

.busy-solar {
  position: relative;
  width: 220px;
  height: 220px;
  margin: 0 auto 24px;
}

.busy-core {
  position: absolute;
  inset: 50%;
  width: 48px;
  height: 48px;
  margin: -24px 0 0 -24px;
  border-radius: 50%;
  background: radial-gradient(circle, #fff 0, #ffe8b8 34%, #ffb273 70%, rgba(255, 178, 115, 0.08) 100%);
  box-shadow: 0 0 48px rgba(255, 178, 115, 0.42);
}

.busy-orbit {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  animation: spin 6.8s linear infinite;
}

.busy-orbit-2 {
  inset: 20px;
  animation-duration: 4.8s;
  animation-direction: reverse;
}

.busy-orbit-3 {
  inset: 42px;
  animation-duration: 3.4s;
}

.busy-planet {
  position: absolute;
  top: 50%;
  right: -7px;
  width: 14px;
  height: 14px;
  margin-top: -7px;
  border-radius: 50%;
  box-shadow: 0 0 16px currentColor;
}

.busy-planet-1 {
  background: #8fd4ff;
  color: #8fd4ff;
}

.busy-planet-2 {
  background: #ffbd7d;
  color: #ffbd7d;
  width: 12px;
  height: 12px;
  margin-top: -6px;
}

.busy-planet-3 {
  background: #ff7d79;
  color: #ff7d79;
  width: 10px;
  height: 10px;
  margin-top: -5px;
}

.crop-preview {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.03);
}

.crop-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.capture-hint {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
  font-size: 0.95rem;
}

.footer-note {
  margin-top: 20px;
  color: rgba(255, 255, 255, 0.55);
  text-align: center;
  font-size: 0.9rem;
}

.mode-grid {
  margin-top: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.mode-card {
  padding: 18px;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
}

.mode-card-launch {
  width: 100%;
  text-align: left;
  color: inherit;
  font: inherit;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.mode-card-launch:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 188, 125, 0.3);
  background: linear-gradient(135deg, rgba(255, 126, 121, 0.08), rgba(143, 212, 255, 0.08));
}

.mode-card-launch:focus-visible {
  outline: 2px solid rgba(255, 188, 125, 0.72);
  outline-offset: 3px;
}

.mode-card h3,
.pair-card h3,
.share-preview h3 {
  margin: 0 0 10px;
}

.mode-card p {
  margin: 0 0 14px;
  color: var(--muted);
  line-height: 1.7;
}

.empty-state {
  min-height: 56vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 34px;
}

.empty-state h2 {
  margin: 0 0 10px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%);
  z-index: 50;
  padding: 12px 18px;
  border-radius: 999px;
  background: rgba(13, 14, 28, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text);
  box-shadow: var(--shadow);
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes scanSweep {
  0%,
  100% {
    top: 14%;
    opacity: 0.66;
  }
  50% {
    top: 84%;
    opacity: 1;
  }
}

@keyframes targetPulse {
  0%,
  100% {
    transform: scale(0.985);
    opacity: 0.58;
  }
  50% {
    transform: scale(1.015);
    opacity: 1;
  }
}

@keyframes scanChipIn {
  0% {
    opacity: 0;
    transform: translate3d(24px, -12px, 0) scale(0.96);
  }
  100% {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
  }
}

@media (max-width: 980px) {
  .hero,
  .capture-layout,
  .result-layout,
  .share-layout,
  .crop-card {
    grid-template-columns: 1fr;
  }

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

  .mode-grid,
  .metrics-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .app-shell {
    width: min(100vw - 20px, 1160px);
    padding-top: 18px;
  }

  .app-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    padding: 28px 18px;
  }

  .capture-panel,
  .question-panel,
  .result-panel,
  .side-panel,
  .share-panel {
    padding: 18px;
  }

  .brand {
    gap: 10px;
  }

  .brand-mark {
    width: 46px;
    height: 46px;
  }

  .capture-preview {
    padding: 14px;
  }

  .crop-modal {
    align-items: start;
    padding: 10px;
  }

  .crop-card {
    margin: 0 auto;
    max-height: none;
    overflow: visible;
  }

  .crop-stage {
    min-height: 44vh;
  }

  .crop-sidebar {
    padding-bottom: calc(18px + env(safe-area-inset-bottom));
  }

  .busy-card {
    padding: 24px 18px;
  }

  .busy-card-scan {
    padding: 22px 16px 20px;
  }

  .busy-solar {
    width: 180px;
    height: 180px;
  }

  .scan-shell {
    min-height: 280px;
    gap: 16px;
  }

  .scan-visor {
    width: min(240px, 72vw);
  }

  .scan-readouts {
    top: 6px;
    width: min(160px, 42%);
    gap: 8px;
  }

  .scan-chip {
    padding: 8px 10px;
    border-radius: 16px;
  }

  .scan-chip span {
    font-size: 0.66rem;
  }

  .scan-chip strong {
    font-size: 0.92rem;
  }

  .result-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .result-heading .inline-actions {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .result-heading .ghost-link {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .result-score {
    width: 100%;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 16px;
  }

  .result-title {
    font-size: clamp(1.7rem, 9vw, 2.8rem);
  }

  .result-quote {
    margin: 20px 0 0;
    padding: 18px;
    font-size: 1rem;
    line-height: 1.85;
  }
}