:root {
  --bg: #f6efe4;
  --panel: rgba(255, 250, 243, 0.85);
  --text: #25160d;
  --muted: #6d5444;
  --line: rgba(71, 39, 20, 0.12);
  --shadow: 0 24px 60px rgba(60, 35, 18, 0.12);
  --accent: #ea6a2a;
  --accent-deep: #bb3f1f;
  --teal: #126b73;
  --gold: #ffbe5c;
  --danger: #b12626;
  --radius-xl: 28px;
  --radius-lg: 22px;
  --font-head: "Space Grotesk", "Noto Sans SC", sans-serif;
  --font-body: "Noto Sans SC", sans-serif;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(255, 190, 92, 0.45), transparent 30%),
    radial-gradient(circle at top right, rgba(18, 107, 115, 0.18), transparent 28%),
    linear-gradient(180deg, #fff8ef 0%, var(--bg) 52%, #f4eadf 100%);
  color: var(--text);
  font-family: var(--font-body);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.22) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.22) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 92%);
}

.page-shell {
  position: relative;
  width: min(1180px, calc(100% - 24px));
  margin: 0 auto;
  padding: 24px 0 32px;
}

.hero,
.panel,
.footer {
  position: relative;
  z-index: 1;
}

.hero {
  display: grid;
  justify-items: center;
  text-align: center;
  padding: 28px;
  border-radius: 36px;
  background:
    linear-gradient(135deg, rgba(255, 250, 243, 0.86), rgba(255, 241, 225, 0.92)),
    linear-gradient(140deg, rgba(234, 106, 42, 0.09), rgba(18, 107, 115, 0.06));
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.55);
}

.eyebrow {
  margin: 0 0 8px;
  font: 700 0.85rem/1 var(--font-head);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal);
}

.hero h1,
.panel h2 {
  margin: 0;
  font-family: var(--font-head);
}

.hero h1 {
  font-size: clamp(1.9rem, 7vw, 4.9rem);
  line-height: 0.95;
  max-width: none;
  white-space: nowrap;
}

.badge-chip,
.ad-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-weight: 700;
}

.main-grid {
  display: grid;
  gap: 18px;
  margin-top: 18px;
}

.panel {
  padding: 22px;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.58);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.panel-head {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.panel-head p,
.tip-list,
.consent-list,
.share-copy,
.preview-label,
.preview-name,
.ad-card span,
.status-text,
.error-text,
.footer a {
  color: var(--muted);
}

.consent-list,
.tip-list {
  display: grid;
  gap: 10px;
  margin: 0 0 18px;
  padding-left: 20px;
  line-height: 1.65;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.checkbox-row input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.upload-panel.is-disabled {
  opacity: 0.6;
}

.upload-actions {
  margin-bottom: 14px;
}

.upload-dropzone {
  display: grid;
  gap: 8px;
  padding: 22px;
  border: 1.5px dashed rgba(37, 22, 13, 0.18);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(255, 247, 238, 0.98), rgba(255, 234, 216, 0.94));
  cursor: pointer;
  transition: transform 180ms ease;
}

.upload-dropzone:hover {
  transform: translateY(-2px);
}

.upload-dropzone.is-busy {
  pointer-events: none;
  opacity: 0.68;
}

.upload-title {
  font: 700 1.15rem/1.2 var(--font-head);
}

.upload-subtitle {
  font-size: 0.95rem;
}

.status-text,
.error-text {
  margin: 14px 0 0;
  min-height: 1.5em;
  line-height: 1.6;
}

.error-text {
  color: var(--danger);
}

.preview-shell {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.preview-media {
  overflow: hidden;
  border-radius: 20px;
  aspect-ratio: 4 / 5;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--line);
}

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

.preview-label,
.preview-name {
  margin: 0;
}

.preview-name {
  font-weight: 700;
  color: var(--text);
}

.primary-button,
.ghost-button {
  width: 100%;
  min-height: 52px;
  border: 0;
  border-radius: 999px;
  font: 700 1rem/1 var(--font-head);
  cursor: pointer;
}

.primary-button {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  box-shadow: 0 20px 40px rgba(234, 106, 42, 0.24);
}

.ghost-button {
  color: var(--text);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(37, 22, 13, 0.1);
}

.primary-button:disabled,
.ghost-button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
  box-shadow: none;
}

.loading-panel {
  display: grid;
  place-items: center;
  text-align: center;
  min-height: 280px;
  background:
    radial-gradient(circle at top, rgba(255, 190, 92, 0.25), transparent 35%),
    linear-gradient(160deg, rgba(255, 252, 247, 0.92), rgba(255, 241, 225, 0.95));
}

.loading-orb {
  width: 76px;
  height: 76px;
  border-radius: 999px;
  background: conic-gradient(from 0deg, var(--accent), var(--gold), var(--teal), var(--accent));
  animation: spin 1.2s linear infinite;
  padding: 6px;
  margin-bottom: 16px;
}

.loading-orb::before {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  background: #fff8ef;
}

.result-panel {
  display: grid;
  gap: 18px;
  background:
    radial-gradient(circle at top left, rgba(255, 190, 92, 0.22), transparent 34%),
    linear-gradient(155deg, rgba(255, 248, 239, 0.95), rgba(255, 236, 214, 0.95));
  border: 1px solid rgba(234, 106, 42, 0.12);
}

.result-score-wrap {
  display: grid;
  justify-items: center;
  text-align: center;
}

.result-kicker {
  margin: 0;
  color: var(--teal);
  font-weight: 700;
}

.result-score {
  margin-top: 10px;
  font: 700 clamp(5rem, 22vw, 7.8rem) / 0.9 var(--font-head);
  letter-spacing: -0.06em;
}

.result-unit {
  margin-top: -8px;
  font: 700 1.1rem/1 var(--font-head);
  color: var(--muted);
}

.badge-chip {
  margin-top: 14px;
  padding: 10px 18px;
  background: rgba(18, 107, 115, 0.12);
  color: var(--teal);
}

.result-title {
  margin: 14px 0 0;
  font: 700 1.05rem/1.5 var(--font-head);
}

.share-copy {
  margin: 12px 0 0;
  max-width: 24rem;
  line-height: 1.7;
}

.metric-list {
  display: grid;
  gap: 12px;
}

.metric-card {
  padding: 16px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(37, 22, 13, 0.06);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.65);
}

.metric-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  font-weight: 700;
}

.metric-bar {
  overflow: hidden;
  height: 10px;
  border-radius: 999px;
  background: rgba(37, 22, 13, 0.08);
}

.metric-bar span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--teal), var(--accent), var(--gold));
  transition: width 520ms ease;
}

.ad-card {
  display: grid;
  gap: 6px;
  padding: 18px;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(140deg, rgba(18, 107, 115, 0.1), rgba(255, 190, 92, 0.12)),
    rgba(255, 255, 255, 0.68);
  border: 1px dashed rgba(37, 22, 13, 0.14);
}

.ad-card strong {
  font-size: 1rem;
}

.ad-label {
  width: fit-content;
  padding: 6px 10px;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.85);
  color: var(--muted);
}

.result-actions {
  display: grid;
  gap: 10px;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 18px;
  padding: 20px 4px 8px;
}

.footer a {
  text-decoration: none;
}

.side-panel {
  display: none;
}

.legal-page {
  width: min(860px, calc(100% - 24px));
  margin: 0 auto;
  padding: 28px 0 48px;
}

.legal-card {
  padding: 28px;
  border-radius: 32px;
  background: rgba(255, 251, 246, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.65);
  box-shadow: var(--shadow);
}

.legal-card h1 {
  margin-top: 0;
  font: 700 clamp(2rem, 5vw, 3.4rem) / 1 var(--font-head);
}

.legal-card h2 {
  margin-top: 28px;
}

.legal-card p,
.legal-card li {
  line-height: 1.8;
  color: var(--muted);
}

@keyframes spin {
  to {
    transform: rotate(1turn);
  }
}

@media (min-width: 960px) {
  .main-grid {
    justify-content: center;
  }

  .consent-panel,
  .upload-panel,
  .loading-panel,
  .result-panel {
    width: min(920px, 100%);
    margin-inline: auto;
  }

  .result-actions {
    grid-template-columns: 1fr 0.9fr;
  }
}