:root {
  --ink: #142433;
  --muted: #637281;
  --canvas: #f4f6f3;
  --paper: #ffffff;
  --line: #d8e0e3;
  --blue: #0a67b4;
  --blue-deep: #053866;
  --orange: #f4a21d;
  --red: #b6403b;
  --green: #18775d;
  --violet: #7153aa;
  --mono: "DM Mono", monospace;
  --sans: "Noto Sans SC", sans-serif;
  --display: "ZCOOL KuaiLe", "Noto Sans SC", sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; min-width: 320px; background: var(--canvas); color: var(--ink); font-family: var(--sans); }
button, input { font: inherit; }
button { cursor: pointer; }

.topbar { min-height: 82px; display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 14px max(24px, calc((100vw - 1320px) / 2)); background: var(--blue-deep); color: #fff; border-bottom: 4px solid var(--orange); }
.brand-lockup { display: flex; align-items: center; gap: 14px; }
.brand-mark { width: 45px; height: 45px; display: grid; place-items: center; background: var(--orange); color: var(--blue-deep); font: 800 25px var(--display); border-radius: 5px; }
.eyebrow { margin: 0 0 4px; color: var(--muted); font: 500 10px/1.3 var(--mono); letter-spacing: .03em; }
.topbar .eyebrow { color: #a9d3f5; }
.brand-lockup h1 { margin: 0; font-size: 20px; line-height: 1.2; font-weight: 700; letter-spacing: 0; }
.system-state { margin: 0; display: flex; align-items: center; gap: 8px; font-size: 13px; color: #d5e9f7; }
.system-state span { width: 8px; height: 8px; border-radius: 50%; background: #87d2b0; box-shadow: 0 0 0 3px rgba(135, 210, 176, .16); }

main { width: min(1320px, calc(100% - 48px)); margin: 36px auto 72px; }
.workbench { background: var(--paper); padding: clamp(22px, 4vw, 46px); border: 1px solid var(--line); border-top: 5px solid var(--blue); box-shadow: 0 16px 35px rgba(25, 49, 65, .07); }
.section-heading, .result-header { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; }
h2 { margin: 0; color: var(--blue-deep); font: 400 clamp(30px, 4vw, 48px)/1.05 var(--display); letter-spacing: 0; }
.unit-note { margin: 0; color: var(--muted); font: 12px var(--mono); }
.upload-grid { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(270px, .75fr); gap: 34px; margin-top: 34px; }
.review-form { display: grid; gap: 16px; }
.dropzone { min-height: 246px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 9px; padding: 30px; border: 2px dashed #98b7c9; background: #f6fbff; text-align: center; transition: .2s ease; }
.dropzone:hover, .dropzone.drag-active { border-color: var(--blue); background: #edf7ff; transform: translateY(-2px); }
.drop-icon { width: 48px; height: 48px; display: grid; place-items: center; color: var(--blue); background: #dcefff; border-radius: 4px; }
.drop-icon svg { width: 25px; height: 25px; }
.dropzone strong { color: var(--blue-deep); font-size: 20px; }
.dropzone > span { font-size: 14px; color: var(--muted); }
.dropzone small { margin-top: 6px; color: var(--muted); font-size: 12px; }
.selected-file { display: grid; grid-template-columns: 26px 1fr 32px; gap: 12px; align-items: center; padding: 13px 14px; background: #f2f8f5; border-left: 3px solid var(--green); }
.selected-file > svg { color: var(--green); }
.selected-file strong, .selected-file small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.selected-file strong { font-size: 13px; }.selected-file small { margin-top: 2px; color: var(--muted); font: 11px var(--mono); }
.icon-button { width: 32px; height: 32px; display: grid; place-items: center; padding: 0; background: transparent; color: var(--muted); border: 1px solid transparent; border-radius: 4px; }.icon-button:hover { color: var(--red); border-color: #e9c5c2; }
.metadata-fields { border: 1px solid var(--line); border-left: 3px solid #b8ccd8; background: #f8fbfc; }.metadata-fields summary { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 11px 13px; color: var(--blue-deep); cursor: pointer; font-size: 12px; font-weight: 700; }.metadata-fields summary::marker { color: var(--blue); }.metadata-fields summary small { color: var(--muted); font: 10px var(--mono); }.metadata-fields > p { margin: 0; padding: 0 13px 12px; color: var(--muted); font-size: 12px; line-height: 1.6; }.metadata-fields .metadata-grid { padding: 0 13px 13px; }.metadata-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }.metadata-grid label { display: grid; gap: 6px; color: var(--blue-deep); font-size: 12px; font-weight: 600; }.metadata-grid label em { color: var(--muted); font: 10px var(--mono); font-style: normal; }.metadata-grid input { width: 100%; padding: 10px 11px; color: var(--ink); background: #fff; border: 1px solid var(--line); border-radius: 3px; outline: none; }.metadata-grid input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(10, 103, 180, .1); }
.primary-action, .download-action { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 0 18px; border: 0; border-radius: 4px; font-weight: 700; text-decoration: none; }.primary-action { color: #fff; background: var(--blue); }.primary-action:hover:not(:disabled) { background: var(--blue-deep); }.primary-action:disabled { cursor: not-allowed; opacity: .45; }.primary-action svg, .download-action svg { width: 18px; }
.review-lens { padding: 22px 0 0 26px; border-left: 1px solid var(--line); }.review-lens ol { margin: 16px 0 22px; padding: 0; list-style: none; counter-reset: lens; }.review-lens li { display: grid; grid-template-columns: 32px 1fr; gap: 10px; padding: 10px 0; border-bottom: 1px solid #e7ecee; font-size: 13px; }.review-lens li span { color: var(--orange); font: 11px var(--mono); }.lens-footnote { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.7; }
.progress-panel { display: grid; grid-template-columns: 170px 1fr; align-items: center; gap: 18px; margin: 24px 0; padding: 16px 20px; background: #fff9ed; border-left: 4px solid var(--orange); }.progress-rail { height: 6px; overflow: hidden; background: #fde5b3; }.progress-rail span { display: block; width: 7%; height: 100%; background: var(--orange); transition: width .35s ease; }.progress-panel p { margin: 0; }.progress-panel .eyebrow { color: #a36100; }.progress-panel #progress-message { color: var(--blue-deep); font-weight: 600; }.progress-panel.error-state { background: #fff4f3; border-left-color: var(--red); }.progress-panel.error-state .progress-rail { background: #f4cfcc; }.progress-panel.error-state .progress-rail span { background: var(--red); }.progress-panel.error-state .eyebrow, .progress-panel.error-state #progress-message { color: var(--red); }
.result-panel { margin-top: 32px; }.result-header { padding: 0 2px 16px; border-bottom: 2px solid var(--blue-deep); }.download-action { color: var(--blue-deep); background: var(--orange); }.download-action:hover { background: #e28b09; }.result-meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 24px; }.result-meta span { padding: 6px 8px; color: var(--blue-deep); background: #dcefff; font: 11px var(--mono); }.result-layout { display: block; }.review-document { width: min(100%, 960px); padding: clamp(24px, 5vw, 62px); background: #fff; border: 1px solid var(--line); border-top: 5px solid var(--blue); box-shadow: 0 16px 35px rgba(25, 49, 65, .07); }.result-layout h3 { margin: 0; color: var(--blue-deep); font: 700 23px/1.35 var(--sans); }.review-document-intro { margin: 10px 0 32px; padding-bottom: 18px; color: var(--muted); border-bottom: 1px solid var(--line); font-size: 13px; line-height: 1.7; }.annotations { display: block; }.script-paragraph { padding: 0 0 23px; margin: 0 0 23px; border-bottom: 1px solid #e6ecee; }.script-paragraph:last-child { margin-bottom: 0; }.script-source { margin: 0; color: #20313d; font-size: 16px; line-height: 2; white-space: pre-wrap; }.script-paragraph.has-changes .script-source { padding-left: 15px; border-left: 3px solid #d86863; }.issue-highlight { padding: 0 2px; color: #b42318; background: rgba(218, 71, 65, .08); text-decoration: underline; text-decoration-color: #df716b; text-decoration-thickness: 1px; text-underline-offset: 3px; }.inline-review { margin: 14px 0 0 18px; padding: 2px 0 2px 16px; border-left: 2px solid #d86863; }.review-note { margin: 11px 0; }.review-note > span { display: block; margin-bottom: 3px; color: #b42318; font: 500 11px var(--mono); }.review-note p { margin: 0; color: #495762; font-size: 14px; line-height: 1.75; white-space: pre-wrap; }.rewrite-note { padding: 10px 12px; background: #f2f8f5; border-left: 2px solid var(--green); }.rewrite-note > span { color: var(--green); }.rewrite-note p { color: #1d4c3e; }.fact-note > span { color: var(--violet); }.fact-note p { color: #5d4a83; }.summary-panel { margin-top: 44px; padding-top: 28px; border-top: 2px solid var(--blue-deep); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 34px; }.summary-section { padding: 0 0 22px; border-bottom: 1px solid var(--line); }.summary-section:last-child { border-bottom: 1px solid var(--line); }.summary-section h3 { margin-bottom: 10px; font-size: 15px; }.verdict { margin: 0; color: var(--blue-deep); font-weight: 700; line-height: 1.65; }.score-total { display: flex; align-items: baseline; gap: 5px; margin-bottom: 13px; color: var(--blue-deep); }.score-total strong { font: 42px/1 var(--display); }.score-total span { font: 13px var(--mono); }.score-list { display: grid; gap: 8px; }.score-list div { display: grid; grid-template-columns: 1fr auto; gap: 8px; font-size: 12px; }.score-list span:last-child { font-family: var(--mono); }.summary-list { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }.summary-list li { padding-left: 13px; position: relative; color: #3e4e5a; font-size: 13px; line-height: 1.6; }.summary-list li::before { content: ""; position: absolute; left: 0; top: .62em; width: 5px; height: 5px; background: var(--orange); }.long-copy { margin: 0; color: #3e4e5a; font-size: 13px; line-height: 1.75; white-space: pre-wrap; }
@media (max-width: 860px) { .topbar { padding: 14px 20px; }.system-state { display: none; } main { width: min(100% - 28px, 1320px); margin-top: 18px; }.workbench { padding: 22px 18px; }.section-heading, .result-header { align-items: flex-start; flex-direction: column; gap: 10px; }.upload-grid { grid-template-columns: 1fr; gap: 24px; }.review-lens { padding: 0; border-left: 0; border-top: 1px solid var(--line); }.metadata-grid { grid-template-columns: 1fr; }.progress-panel { grid-template-columns: 1fr; }.review-document { padding: 24px 18px; }.script-source { font-size: 15px; }.inline-review { margin-left: 8px; padding-left: 12px; }.summary-panel { grid-template-columns: 1fr; }.download-action { width: 100%; }.unit-note { font-size: 10px; } }