:root {
  --ink: #191817;
  --muted: #706b64;
  --paper: #f5f0e7;
  --cream: #fbf8f1;
  --line: #d8d0c4;
  --tomato: #eb5d43;
  --gold: #efbd42;
  --shadow: 0 18px 60px rgba(28, 23, 17, .11);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: 'DM Sans', sans-serif; }
button, input { font: inherit; }
button { cursor: pointer; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.shell { width: min(1120px, calc(100% - 48px)); margin: 0 auto; }
.topbar { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.wordmark { display: inline-flex; align-items: center; gap: 9px; color: var(--ink); text-decoration: none; font-family: 'DM Mono', monospace; font-size: 14px; letter-spacing: .06em; }
.wordmark-mark { display: grid; place-items: center; width: 25px; height: 25px; border-radius: 50%; background: var(--tomato); color: var(--cream); font-family: 'Noto Serif TC', serif; font-size: 17px; }
.account-actions { display: flex; align-items: center; gap: 16px; }
.account-button { white-space: nowrap; }
.google-button { display: inline-flex; align-items: center; gap: 9px; border: 1px solid var(--line); border-radius: 999px; background: var(--cream); color: var(--ink); padding: 9px 14px 9px 10px; font-size: 12px; transition: border-color .2s, transform .2s; }
.google-button:hover:not(:disabled) { border-color: var(--tomato); transform: translateY(-1px); }
.google-button:disabled { cursor: wait; opacity: .6; }
.google-mark { display: grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; background: #fff; color: #4285f4; font-weight: 700; box-shadow: 0 1px 5px rgba(0,0,0,.12); }
.account-user { max-width: 180px; overflow: hidden; border: 0; background: transparent; color: var(--muted); text-overflow: ellipsis; white-space: nowrap; font-size: 12px; }
.text-button { padding: 5px 0; border: 0; border-bottom: 1px solid var(--ink); background: transparent; color: var(--ink); font-family: 'DM Mono', monospace; font-size: 10px; letter-spacing: .06em; }
.text-button:hover { color: var(--tomato); border-color: var(--tomato); }
.text-button-quiet { color: var(--muted); border-color: var(--line); }

.landing { padding: 112px 0 86px; }
.landing h1 { max-width: 740px; margin: 0 0 52px; font-family: 'Noto Serif TC', serif; font-size: clamp(54px, 8vw, 96px); line-height: 1.03; letter-spacing: -.075em; font-weight: 700; }
.landing h1 em { color: var(--tomato); font-style: normal; }
.input-card, .loading-card { background: var(--ink); color: var(--cream); box-shadow: var(--shadow); }
.input-card { padding: 28px 32px 25px; }
.card-kicker, .eyebrow, .result-source, .receipt-topline, .receipt-footer, .site-footer, .loading-step, .summary-note { font-family: 'DM Mono', monospace; letter-spacing: .06em; }
.card-kicker { display: flex; align-items: center; gap: 10px; color: var(--cream); font-size: 11px; }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--gold); }
.card-kicker-line { height: 1px; flex: 1; background: rgba(245, 240, 231, .22); }
.input-row { display: flex; gap: 10px; margin-top: 26px; }
input[type='url'] { min-width: 0; flex: 1; border: 1px solid #4e4b46; border-radius: 0; background: #242322; color: var(--cream); padding: 18px 19px; outline: none; font-size: 15px; transition: border-color .2s, background .2s; }
input[type='url']::placeholder { color: #716d67; }
input[type='url']:focus { border-color: var(--gold); background: #2a2927; }
.primary-button { display: inline-flex; align-items: center; justify-content: center; gap: 18px; min-width: 150px; border: 0; border-radius: 0; background: var(--tomato); color: var(--cream); padding: 0 20px; font-weight: 700; transition: background .2s, transform .2s; }
.primary-button:hover { background: #f27358; transform: translateY(-2px); }
.button-arrow { font-size: 18px; }
.form-error { margin: 17px 0 0; color: #ffad91; font-size: 13px; }

.history-panel { padding: 42px 0 0; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 17px; }
.section-heading h2 { margin: 0; font-family: 'Noto Serif TC', serif; font-size: 34px; letter-spacing: -.05em; }
.eyebrow { margin: 0 0 10px; color: var(--tomato); font-size: 10px; font-weight: 500; }
.history-list { display: grid; gap: 8px; }
.history-item { display: flex; align-items: center; justify-content: space-between; gap: 20px; width: 100%; border: 1px solid var(--line); background: rgba(251, 248, 241, .56); padding: 16px 18px; text-align: left; transition: background .2s, border-color .2s, transform .2s; }
.history-item:hover { border-color: var(--tomato); background: var(--cream); transform: translateX(3px); }
.history-item strong, .history-item small { display: block; }
.history-item strong { font-family: 'Noto Serif TC', serif; font-size: 16px; font-weight: 700; }
.history-item small { margin-top: 5px; color: var(--muted); font-family: 'DM Mono', monospace; font-size: 9px; letter-spacing: .04em; }
.history-arrow { color: var(--tomato); font-size: 18px; }

.loading-card { display: flex; align-items: center; gap: 24px; margin-top: 18px; padding: 30px 32px; }
.loading-orbit { display: grid; place-items: center; width: 52px; height: 52px; border: 1px solid #4e4b46; border-radius: 50%; }
.loading-orbit span { width: 9px; height: 9px; border-radius: 50%; background: var(--gold); animation: pulse 1.1s infinite ease-in-out; }
.loading-card h2 { margin: 0 0 15px; font-family: 'Noto Serif TC', serif; font-size: 25px; letter-spacing: -.04em; }
.loading-steps { display: flex; flex-wrap: wrap; gap: 8px 16px; }
.loading-step { color: #6f6a62; font-size: 10px; }
.loading-step.is-active { color: var(--gold); }
.loading-step.is-active::before { content: '✓ '; }
@keyframes pulse { 0%, 100% { transform: scale(.72); opacity: .55; } 50% { transform: scale(1.2); opacity: 1; } }

.result-section { padding: 82px 0 0; }
.result-toolbar { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 18px; }
.result-toolbar .eyebrow { margin-bottom: 7px; }
.result-source { margin: 0; color: var(--muted); font-size: 10px; }
.toolbar-actions { display: flex; gap: 18px; align-items: center; }

.receipt-paper { position: relative; overflow: hidden; background: var(--cream); padding: 38px 44px 24px; box-shadow: var(--shadow); }
.receipt-paper::after { content: ''; position: absolute; inset: auto 0 -7px; height: 14px; background: linear-gradient(135deg, transparent 5px, var(--cream) 0) 0 0 / 12px 14px repeat-x; }
.receipt-topline, .receipt-footer { display: flex; justify-content: space-between; gap: 18px; color: var(--muted); font-size: 9px; }
.receipt-paper h2 { max-width: 820px; margin: 36px 0 28px; font-family: 'Noto Serif TC', serif; font-size: clamp(32px, 5vw, 58px); line-height: 1.16; letter-spacing: -.07em; }
.receipt-rule { height: 1px; background: var(--line); }
.receipt-grid { display: grid; grid-template-columns: minmax(260px, .85fr) minmax(0, 1.4fr); gap: 60px; padding: 42px 0 48px; }
.block-heading { display: flex; align-items: baseline; gap: 12px; }
.block-heading h3 { margin: 0 0 24px; font-family: 'Noto Serif TC', serif; font-size: 24px; letter-spacing: -.04em; }
.block-number { color: var(--tomato); font-family: 'DM Mono', monospace; font-size: 10px; }
.ingredient-group { margin-bottom: 24px; }
.ingredient-group h4 { margin: 0 0 8px; color: var(--muted); font-family: 'DM Mono', monospace; font-size: 10px; font-weight: 500; letter-spacing: .07em; }
.ingredient-group ul, .receipt-notes ul { list-style: none; margin: 0; padding: 0; }
.ingredient-group li { position: relative; padding: 8px 0 8px 17px; border-bottom: 1px dashed var(--line); font-size: 14px; line-height: 1.5; }
.ingredient-group li::before { content: ''; position: absolute; top: 15px; left: 1px; width: 5px; height: 5px; border-radius: 50%; background: var(--gold); }
.empty-note { color: var(--muted); font-size: 14px; line-height: 1.6; }
.method-list { display: grid; gap: 18px; margin: 0; padding: 0; list-style: none; }
.method-list li { display: grid; grid-template-columns: 29px 1fr; gap: 14px; font-size: 15px; line-height: 1.7; }
.step-index { color: var(--tomato); font-family: 'DM Mono', monospace; font-size: 11px; padding-top: 3px; }
.receipt-notes { padding: 30px 0 35px; }
.receipt-notes .block-heading h3 { margin-bottom: 16px; font-size: 20px; }
.receipt-notes li { color: var(--muted); font-size: 13px; line-height: 1.7; }
.receipt-notes li + li { margin-top: 7px; }
.receipt-notes li::before { content: '— '; color: var(--tomato); }
.receipt-footer { padding-top: 22px; color: #9a938a; font-size: 8px; }

.source-media { margin-top: 18px; padding: 30px 0 4px; border-top: 1px solid var(--line); }
.source-media-heading { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 16px; }
.source-media-heading .eyebrow { margin-bottom: 7px; }
.source-media-heading h3 { margin: 0; font-family: 'Noto Serif TC', serif; font-size: 25px; letter-spacing: -.04em; }
.source-open-link { flex: 0 0 auto; text-decoration: none; }
.source-preview { position: relative; overflow: hidden; aspect-ratio: 16 / 9; background: #252321; box-shadow: var(--shadow); }
.source-thumbnail, .source-embed { display: block; width: 100%; height: 100%; }
.source-thumbnail { position: relative; overflow: hidden; }
.source-thumbnail img { display: block; width: 100%; height: 100%; object-fit: cover; }
.source-thumbnail::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(25, 24, 23, .76), rgba(25, 24, 23, .08) 72%); pointer-events: none; }
.source-thumbnail:not(.has-image) { background: radial-gradient(circle at 75% 28%, rgba(203, 166, 74, .28), transparent 27%), linear-gradient(125deg, #34302c, #191817); }
.source-thumbnail-fallback { position: absolute; z-index: 1; inset: auto 32px 30px; display: grid; gap: 9px; max-width: min(520px, calc(100% - 64px)); color: var(--cream); }
.source-thumbnail-fallback span { color: var(--gold); font-family: 'DM Mono', monospace; font-size: 10px; letter-spacing: .09em; }
.source-thumbnail-fallback strong { font-family: 'Noto Serif TC', serif; font-size: clamp(20px, 4vw, 38px); line-height: 1.18; letter-spacing: -.05em; }
.source-thumbnail.has-image .source-thumbnail-fallback { text-shadow: 0 2px 15px rgba(0, 0, 0, .48); }
.source-thumbnail-shade { position: absolute; z-index: 2; inset: 0; display: grid; place-items: center; }
.source-play-button { display: inline-flex; align-items: center; gap: 11px; border: 1px solid rgba(245, 240, 231, .65); border-radius: 999px; background: rgba(25, 24, 23, .84); color: var(--cream); padding: 12px 18px 12px 14px; font-family: 'DM Mono', monospace; font-size: 10px; letter-spacing: .05em; transition: background .2s, transform .2s, border-color .2s; }
.source-play-button:hover:not(:disabled) { border-color: var(--gold); background: var(--tomato); transform: translateY(-2px); }
.source-play-button:disabled { cursor: not-allowed; opacity: .62; }
.source-play-icon { display: grid; place-items: center; width: 27px; height: 27px; border-radius: 50%; background: var(--gold); color: var(--ink); font-size: 11px; }
.source-embed { border: 0; background: #191817; }
.source-media-note { margin: 12px 0 0; color: var(--muted); font-family: 'DM Mono', monospace; font-size: 9px; line-height: 1.6; letter-spacing: .04em; }
.context-drawer, .transcript-drawer { margin-top: 18px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.context-drawer summary, .transcript-drawer summary { display: grid; grid-template-columns: auto 1fr auto; gap: 16px; align-items: center; padding: 19px 0; cursor: pointer; list-style: none; font-family: 'DM Mono', monospace; font-size: 10px; letter-spacing: .06em; }
.context-drawer summary::-webkit-details-marker, .transcript-drawer summary::-webkit-details-marker { display: none; }
.summary-note { color: var(--muted); font-size: 9px; }
.summary-plus { color: var(--tomato); font-size: 17px; }
.context-drawer[open] .summary-plus, .transcript-drawer[open] .summary-plus { transform: rotate(45deg); }
.context-drawer p, .transcript-drawer p { max-width: 860px; margin: 0 0 24px; color: var(--muted); font-size: 14px; line-height: 1.9; white-space: pre-wrap; }
.site-footer { display: flex; justify-content: space-between; gap: 24px; padding: 72px 0 30px; color: var(--muted); font-size: 9px; line-height: 1.5; }

@media (max-width: 760px) {
  .shell { width: min(100% - 32px, 600px); }
  .topbar { align-items: flex-start; padding: 20px 0; }
  .account-actions { flex-wrap: wrap; justify-content: end; gap: 10px; }
  .google-button { padding-right: 10px; }
  .google-button #google-button-label { display: none; }
  .landing { padding: 70px 0 52px; }
  .landing h1 { margin-bottom: 36px; font-size: clamp(46px, 14vw, 76px); }
  .input-card { padding: 23px 20px 21px; }
  .input-row { flex-direction: column; }
  .primary-button { min-height: 54px; }
  .loading-card { align-items: flex-start; padding: 25px 20px; }
  .loading-orbit { flex: 0 0 42px; width: 42px; height: 42px; }
  .loading-card h2 { font-size: 22px; }
  .loading-steps { gap: 8px; }
  .result-section { padding-top: 62px; }
  .result-toolbar { align-items: flex-start; flex-direction: column; }
  .toolbar-actions { width: 100%; justify-content: space-between; }
  .receipt-paper { padding: 28px 22px 20px; }
  .receipt-topline, .receipt-footer { font-size: 7px; }
  .receipt-topline span:last-child, .receipt-footer span:last-child { display: none; }
  .receipt-grid { grid-template-columns: 1fr; gap: 38px; padding: 32px 0 38px; }
  .source-media-heading { align-items: flex-start; flex-direction: column; gap: 14px; }
  .source-thumbnail-fallback { inset: auto 20px 20px; max-width: calc(100% - 40px); }
  .summary-note { display: none; }
  .context-drawer summary, .transcript-drawer summary { grid-template-columns: 1fr auto; }
  .site-footer { flex-direction: column; gap: 9px; padding-top: 52px; }
}

@media print {
  body { background: white; }
  .shell { width: 100%; }
  .topbar, .landing, .history-panel, .loading-card, .result-toolbar, .source-media, .context-drawer, .transcript-drawer, .site-footer { display: none !important; }
  .result-section { display: block !important; padding: 0; }
  .receipt-paper { box-shadow: none; padding: 12mm 10mm; }
  .receipt-paper::after { display: none; }
}