:root {
  --ink: #173d3a;
  --ink-soft: #57736f;
  --mint: #dff3ed;
  --mint-strong: #2b9085;
  --mint-deep: #166961;
  --lime: #eaf1aa;
  --cream: #fbfcf8;
  --line: #d5e4df;
  --shadow: 0 18px 45px rgba(41, 99, 90, .10);
  --radius: 22px;
}

* { box-sizing: border-box; }
*[hidden] { display: none !important; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 9% 5%, #f5fffb 0, transparent 26%), linear-gradient(135deg, #d9f1ec 0%, #f6faf4 52%, #e8f4ed 100%);
}
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }

.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 24px;
  min-height: 76px; padding: 12px 28px;
  background: rgba(251, 252, 248, .90); backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(213, 228, 223, .8);
}
.brand { display: flex; align-items: center; gap: 11px; min-width: 245px; }
.brand-mark { width: 42px; height: 42px; display: grid; place-items: center; border: 2px solid var(--ink); border-radius: 50%; font-weight: 800; font-size: 19px; }
.brand-title { font-size: 18px; font-weight: 800; letter-spacing: .03em; }
.brand-subtitle { color: var(--ink-soft); font-size: 11px; margin-top: 3px; }
.main-nav { display: flex; gap: 3px; padding: 4px; background: #edf6f1; border: 1px solid var(--line); border-radius: 15px; }
.nav-item { border: 0; background: transparent; color: var(--ink-soft); border-radius: 11px; padding: 11px 20px; font-weight: 700; }
.nav-item:hover { color: var(--ink); }
.nav-item.active { background: #fff; color: var(--ink); box-shadow: 0 4px 12px rgba(40, 102, 94, .10); }
.top-actions { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.status-dot { display: inline-flex; align-items: center; gap: 7px; color: var(--ink-soft); font-size: 12px; white-space: nowrap; }
.status-dot i { width: 7px; height: 7px; border-radius: 50%; background: #82af41; display: inline-block; }
.status-dot.remote i { background: #e0a747; }
.status-dot.codex i { background: var(--mint-strong); }
.ghost-btn, .secondary-btn, .primary-btn { border-radius: 12px; padding: 10px 15px; border: 1px solid var(--line); background: rgba(255,255,255,.8); color: var(--ink); font-weight: 700; }
.ghost-btn { padding: 9px 11px; font-size: 12px; }
.ghost-btn:hover, .secondary-btn:hover { border-color: var(--mint-strong); background: #fff; }
.capsule-badge { display: inline-grid; place-items: center; min-width: 18px; height: 18px; margin-left: 4px; padding: 0 5px; border-radius: 99px; background: var(--mint-deep); color: #fff; font-size: 10px; line-height: 1; pointer-events: none; }
.primary-btn { background: var(--mint-deep); color: #fff; border-color: var(--mint-deep); }
.primary-btn:hover { background: #0f5750; }
.primary-btn:disabled, .secondary-btn:disabled { opacity: .5; cursor: not-allowed; }

.page-shell { max-width: 1460px; margin: 0 auto; padding: 30px 28px 70px; }
.view { display: none; }
.active-view { display: block; }
.hero { display: flex; align-items: flex-end; justify-content: space-between; gap: 22px; padding: 25px 30px 23px; background: rgba(255,255,255,.69); border: 1px solid rgba(255,255,255,.85); border-radius: 28px; box-shadow: var(--shadow); }
.eyebrow { color: var(--mint-deep); font-size: 11px; font-weight: 800; letter-spacing: .16em; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 7px; font-size: clamp(30px, 4vw, 48px); letter-spacing: -.04em; }
.hero p { margin-bottom: 0; color: var(--ink-soft); }
.hero-actions { display: flex; gap: 10px; align-items: center; }
.project-input { min-width: 245px; }
.project-input.required-missing { border-color: #c65f4d; box-shadow: 0 0 0 3px rgba(198,95,77,.16); }
input, textarea, select { width: 100%; border: 1px solid var(--line); background: rgba(255,255,255,.72); color: var(--ink); border-radius: 12px; padding: 12px 13px; outline: none; }
input:focus, textarea:focus, select:focus { border-color: var(--mint-strong); box-shadow: 0 0 0 3px rgba(43,144,133,.12); }
textarea { min-height: 240px; resize: vertical; line-height: 1.65; }
.stepper { display: grid; grid-template-columns: repeat(6, 1fr); gap: 9px; margin: 18px 0; padding: 10px; background: rgba(255,255,255,.55); border: 1px solid rgba(255,255,255,.9); border-radius: 20px; }
.step { display: flex; gap: 10px; align-items: center; padding: 12px; border: 1px solid transparent; border-radius: 14px; background: transparent; text-align: left; color: var(--ink-soft); }
.step:hover { background: rgba(255,255,255,.7); }
.step.current { background: #fff; color: var(--ink); border-color: var(--line); box-shadow: 0 6px 18px rgba(40, 102, 94, .07); }
.step-num { width: 28px; height: 28px; flex: 0 0 28px; display: grid; place-items: center; border: 1px solid #c6dcd5; border-radius: 50%; font-size: 12px; font-weight: 800; }
.step.current .step-num { color: #fff; background: var(--mint-deep); border-color: var(--mint-deep); }
.step-title { font-weight: 800; font-size: 13px; }
.step-hint { margin-top: 2px; font-size: 10px; color: var(--ink-soft); }
.step-panel { background: rgba(255,255,255,.74); border: 1px solid rgba(255,255,255,.95); border-radius: 26px; box-shadow: var(--shadow); padding: 27px; }
.content-plan-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 18px; padding: 17px 19px; margin-bottom: 18px; border: 1px solid var(--line); border-radius: 16px; background: rgba(237,247,242,.82); }
.content-plan-toolbar strong { color: var(--ink); }
.content-plan-toolbar p { margin: 5px 0 0; color: var(--ink-soft); font-size: 12px; }
.content-plan-actions { display: flex; align-items: center; gap: 9px; flex-shrink: 0; }
.content-plan-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.content-plan-card { min-width: 0; padding: 17px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.88); }
.content-plan-cover-card { background: linear-gradient(135deg, rgba(255,255,255,.96), rgba(239,248,244,.9)); }
.content-plan-cover-copy { padding: 14px 16px; border-left: 3px solid var(--mint-deep); border-radius: 0 12px 12px 0; background: rgba(237,247,242,.72); }
.content-plan-cover-copy strong { color: var(--ink); font-size: 13px; }
.content-plan-cover-copy p { margin: 8px 0 0; color: var(--ink-soft); font-size: 13px; line-height: 1.7; white-space: pre-wrap; }
.content-plan-title { display: flex; align-items: baseline; gap: 10px; margin-bottom: 12px; }
.content-plan-title span { color: var(--mint-deep); font-size: 12px; font-weight: 800; white-space: nowrap; }
.content-plan-title h3 { margin: 0; font-size: 17px; }
.content-plan-source { padding: 12px 14px; margin: 0 0 12px; border-left: 3px solid var(--mint-deep); border-radius: 0 11px 11px 0; background: rgba(237,247,242,.72); }
.content-plan-source strong { color: var(--ink); font-size: 12px; }
.content-plan-source p { margin: 7px 0 0; color: var(--ink-soft); font-size: 12px; line-height: 1.65; white-space: pre-wrap; overflow-wrap: anywhere; }
.content-layout-preview { height: 142px; position: relative; overflow: hidden; display: flex; flex-direction: column; gap: 10px; padding: 16px; margin-bottom: 12px; border: 1px solid #e2e9dc; border-radius: 12px; background: linear-gradient(135deg, #f5f0e6, #fffdf8); }
.content-layout-preview .preview-heading { width: 58%; height: 14px; border-radius: 4px; background: #8c4f3d; }
.content-layout-preview .preview-content { flex: 1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; align-items: stretch; }
.content-layout-preview .preview-block { display: block; min-width: 0; border: 1px solid #dfd4c0; border-radius: 7px; background: linear-gradient(180deg, rgba(255,255,255,.9), rgba(232,224,207,.76)); }
.content-layout-preview .preview-block:nth-child(2) { background-color: #e4ebe1; }
.content-layout-preview .preview-block:nth-child(3) { background-color: #ead9ce; }
.content-layout-preview .preview-footer { width: 76%; height: 7px; border-radius: 6px; background: #bd9d74; }
.content-layout-preview.layout-narrative { background: linear-gradient(110deg, #e7dfcf 0%, #e7dfcf 38%, #c4d2c2 39%, #f1eee4 100%); }
.content-layout-preview.layout-narrative .preview-heading { position: relative; z-index: 1; width: 43%; height: 22px; background: #50372e; }
.content-layout-preview.layout-narrative .preview-scene { position: absolute; right: 8%; bottom: 18px; width: 44%; height: 78px; border-radius: 48% 48% 8px 8px; background: linear-gradient(145deg, rgba(255,255,255,.22), rgba(89,111,86,.78)); box-shadow: -90px 25px 0 -16px rgba(128,99,69,.45); }
.content-layout-preview.layout-narrative small { color: #4d5d4f; }
.content-layout-preview small { position: absolute; right: 10px; bottom: 7px; color: #6c7b70; font-size: 9px; }
.content-layout-preview.layout-timeline .preview-content { grid-template-columns: repeat(4, 1fr); align-items: center; }
.content-layout-preview.layout-timeline .preview-block { height: 44px; position: relative; border-radius: 50%; }
.content-layout-preview.layout-timeline .preview-block:not(:last-child)::after { content: ''; position: absolute; width: 18px; height: 2px; top: 20px; left: 100%; background: #a9865e; }
.content-layout-preview.layout-comparison .preview-content { grid-template-columns: 1fr 1fr; }
.content-layout-preview.layout-cause-effect .preview-content, .content-layout-preview.layout-process .preview-content { grid-template-columns: repeat(4, 1fr); align-items: center; }
.content-layout-preview.layout-cause-effect .preview-block, .content-layout-preview.layout-process .preview-block { height: 45px; position: relative; }
.content-layout-preview.layout-cause-effect .preview-block:not(:last-child)::after, .content-layout-preview.layout-process .preview-block:not(:last-child)::after { content: '›'; position: absolute; right: -8px; top: 10px; color: #8c4f3d; font-size: 18px; font-style: normal; font-weight: 800; z-index: 1; }
.content-layout-preview.layout-map .preview-content { grid-template-columns: 1.4fr 1fr; }
.content-layout-preview.layout-evidence .preview-content { grid-template-columns: 1fr 1.4fr 1fr; }
.content-layout-preview.layout-question .preview-heading { width: 72%; height: 23px; }
.content-layout-preview.layout-framework .preview-content { grid-template-columns: 1fr 1fr; }
.content-plan-layout { display: grid; grid-template-columns: minmax(145px, .45fr) 1fr; gap: 10px; align-items: end; margin-bottom: 11px; }
.content-plan-layout label, .content-plan-block label { display: grid; gap: 5px; color: var(--ink-soft); font-size: 11px; font-weight: 700; }
.content-plan-layout select, .content-plan-block input { padding: 9px 10px; font-size: 12px; }
.content-plan-layout p { margin: 0 0 8px; color: var(--ink-soft); font-size: 11px; line-height: 1.5; }
.content-plan-takeaway { display: grid; gap: 5px; margin: 10px 0; color: var(--ink-soft); font-size: 11px; font-weight: 700; }
.content-plan-takeaway input { padding: 9px 10px; font-size: 12px; }
.content-plan-blocks { display: grid; gap: 8px; }
.content-plan-block { display: grid; grid-template-columns: minmax(115px, .32fr) 1fr; gap: 9px; align-items: start; padding: 9px; border-radius: 10px; background: #f4f8f5; }
.content-plan-block textarea { min-height: 54px; resize: vertical; padding: 8px 10px; font-size: 12px; line-height: 1.45; }
.content-plan-empty { padding: 12px; border: 1px dashed #c8dcd5; border-radius: 10px; color: var(--ink-soft); font-size: 12px; line-height: 1.6; white-space: pre-wrap; }
.content-plan-note, .content-plan-error { display: flex; gap: 8px; padding: 10px 12px; margin-top: 10px; border-radius: 10px; background: #fff4e8; color: #885a30; font-size: 12px; line-height: 1.5; }
.content-plan-error { display: block; }
.panel-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; margin-bottom: 20px; }
.panel-heading h2 { font-size: 29px; letter-spacing: -.035em; margin-bottom: 6px; }
.panel-heading p { color: var(--ink-soft); margin-bottom: 0; }
.tip-chip { background: var(--lime); border-radius: 30px; padding: 8px 12px; font-size: 12px; font-weight: 800; white-space: nowrap; }
.two-col { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(280px, .7fr); gap: 20px; }
.visual-prompt-layout { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(330px, .85fr); gap: 20px; align-items: start; }
.visual-prompt-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.visual-prompt-head h3 { margin-bottom: 6px; }
.visual-style-count { flex: none; padding: 6px 9px; border-radius: 999px; background: #f1f6d8; color: #657744; font-size: 11px; font-weight: 800; }
.visual-prompt-fields { display: grid; gap: 10px; margin-top: 14px; }
.visual-prompt-fields textarea { min-height: 78px; }
.visual-style-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 14px; }
.visual-style-options { display: grid; gap: 10px; margin-top: 14px; }
.visual-style-option { display: grid; grid-template-columns: 32px 1fr; gap: 10px; width: 100%; padding: 12px; text-align: left; border: 1px solid var(--line); border-radius: 13px; background: #fff; color: var(--ink); cursor: pointer; transition: border-color .18s, box-shadow .18s, background .18s; }
.visual-style-option:hover, .visual-style-option.active { border-color: var(--mint-deep); background: #f1fbf5; box-shadow: 0 0 0 2px rgba(22,105,97,.1); }
.visual-style-option > span:last-child { display: grid; gap: 4px; }
.visual-style-option strong { font-size: 14px; }
.visual-style-option small, .visual-style-option em { color: var(--ink-soft); font-size: 11px; line-height: 1.5; font-style: normal; }
.visual-style-option em { color: var(--mint-deep); }
.visual-style-number { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 9px; background: #e6f2d0; color: #5a733e; font-size: 12px; font-weight: 900; }
.visual-style-empty { margin-top: 14px; padding: 15px; border: 1px dashed #b8ccc5; border-radius: 12px; color: var(--ink-soft); font-size: 12px; line-height: 1.6; background: #f8fbf8; }
.card { background: rgba(255,255,255,.68); border: 1px solid var(--line); border-radius: 18px; padding: 18px; }
.card h3 { font-size: 15px; margin-bottom: 6px; }
.card .helper { color: var(--ink-soft); font-size: 12px; margin-bottom: 12px; }
.card-actions { display: flex; gap: 9px; align-items: center; margin-top: 12px; flex-wrap: wrap; }
.muted { color: var(--ink-soft); font-size: 12px; }
.format-box { background: #f3f9f5; border: 1px dashed #afd0c4; border-radius: 14px; padding: 15px; color: var(--ink-soft); font-size: 12px; line-height: 1.7; }
.format-box code { color: var(--ink); font-size: 12px; white-space: pre-wrap; }
.dropzone { min-height: 230px; border: 1.5px dashed #8cb9ad; border-radius: 17px; display: grid; place-items: center; text-align: center; padding: 20px; background: linear-gradient(135deg, rgba(224,245,238,.66), rgba(255,255,255,.6)); }
.dropzone.dragging { border-color: var(--mint-deep); background: #e8f8f1; }
.drop-icon { width: 48px; height: 48px; display: grid; place-items: center; margin: 0 auto 9px; border-radius: 16px; background: var(--mint-deep); color: white; font-size: 25px; }
.dropzone strong { display: block; margin-bottom: 4px; }
.image-preview { max-width: 100%; max-height: 280px; border-radius: 12px; display: block; margin: 0 auto; object-fit: contain; }
.page-list { display: grid; gap: 10px; max-height: 470px; overflow: auto; padding-right: 4px; }
.page-row { display: grid; grid-template-columns: 39px 1fr auto; align-items: center; gap: 12px; padding: 11px; background: rgba(255,255,255,.78); border: 1px solid var(--line); border-radius: 14px; }
.page-badge { width: 32px; height: 32px; display: grid; place-items: center; border-radius: 10px; background: var(--mint); color: var(--mint-deep); font-size: 12px; font-weight: 800; }
.page-row h4 { margin: 0 0 4px; font-size: 13px; }
.page-row p { margin: 0; color: var(--ink-soft); font-size: 11px; line-height: 1.45; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.page-row .mini-actions { display: flex; gap: 5px; }
.mini-btn { border: 1px solid var(--line); background: #fff; color: var(--ink-soft); border-radius: 8px; padding: 7px 9px; font-size: 11px; }
.mini-btn:hover { color: var(--ink); border-color: var(--mint-strong); }
.bottom-nav { display: flex; justify-content: space-between; gap: 12px; margin-top: 17px; }
.bottom-nav .right { display: flex; gap: 9px; }
.stats { display: grid; grid-template-columns: 130px 130px 1fr; gap: 10px; margin-bottom: 18px; }
.stat { padding: 15px; background: rgba(255,255,255,.72); border: 1px solid var(--line); border-radius: 15px; }
.stat strong { display: block; font-size: 26px; margin-bottom: 3px; }
.stat span { color: var(--ink-soft); font-size: 11px; }
.progress-wrap { display: flex; flex-direction: column; justify-content: center; }
.progress-line { height: 9px; overflow: hidden; border-radius: 99px; background: #e0ece8; margin-top: 9px; }
.progress-line i { display: block; height: 100%; width: 0; border-radius: inherit; background: linear-gradient(90deg, var(--mint-deep), #a6c94f); transition: width .3s; }
.generated-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
.generated-card { overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: 16px; }
.generated-card img { width: 100%; aspect-ratio: 16/9; display: block; object-fit: cover; background: #d9ede8; }
.generated-card .gen-body { padding: 11px; }
.generated-card h4 { margin: 0 0 4px; font-size: 13px; white-space: nowrap; text-overflow: ellipsis; overflow: hidden; }
.generated-card p { margin: 0 0 9px; color: var(--ink-soft); font-size: 11px; }
.gen-status { display: inline-block; color: var(--ink-soft); background: #edf4f1; border-radius: 8px; padding: 4px 7px; font-size: 10px; }
.gen-status.done { color: #477e3b; background: #edf6df; }
.gen-status.error { color: #a54e42; background: #fcece9; }
.generation-note { margin: 7px 0 0; color: #9a6040; font-size: 13px; }
.gen-error { margin: -5px 0 10px; color: #a54e42; font-size: 12px; overflow-wrap: anywhere; }
.empty-state { min-height: 245px; display: grid; place-items: center; text-align: center; border: 1px dashed #a8c8be; border-radius: 18px; color: var(--ink-soft); }
.empty-state .empty-icon { font-size: 42px; margin-bottom: 7px; }
.export-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 20px; }
.document-card { margin-top: 20px; }
.document-heading { margin-bottom: 14px; }
.document-heading h3 { margin-bottom: 5px; font-size: 20px; }
.document-fields { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px; }
.document-fields .field-label { display: grid; gap: 6px; color: var(--ink-soft); font-size: 12px; font-weight: 700; }
.document-fields input { min-width: 0; }
.document-fields input[readonly] { background: rgba(232, 240, 235, .72); color: var(--ink-soft); cursor: default; }
.document-hint { margin: 12px 0 0; color: var(--ink-soft); font-size: 12px; }
.document-actions { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 15px; }
.document-results { display: flex; flex-wrap: wrap; gap: 15px; margin-top: 12px; }
.document-results > div { display: flex; align-items: center; gap: 8px; }
.check-list { display: grid; gap: 9px; color: var(--ink-soft); font-size: 13px; }
.check-list div { display: flex; gap: 8px; align-items: flex-start; }
.check-list b { color: #5d9b54; }

.module-head { margin-bottom: 18px; }
.module-head h1 { margin-bottom: 7px; }
.module-head p { color: var(--ink-soft); margin-bottom: 0; }
.module-grid { display: grid; grid-template-columns: 390px 1fr; gap: 20px; }
.collage-stepper { display: grid; grid-template-columns: repeat(4, 1fr); gap: 9px; margin: 18px 0; padding: 8px; background: rgba(255,255,255,.58); border: 1px solid rgba(255,255,255,.9); border-radius: 19px; }
.collage-step { display: flex; align-items: center; gap: 10px; min-height: 58px; padding: 10px 13px; border: 1px solid transparent; border-radius: 14px; color: var(--ink-soft); }
.collage-step.current { color: var(--ink); background: #fff; border-color: var(--line); box-shadow: 0 6px 18px rgba(40,102,94,.07); }
.collage-step.done { color: var(--ink); background: rgba(238,249,243,.7); }
.collage-step-num { width: 28px; height: 28px; flex: 0 0 28px; display: grid; place-items: center; border: 1px solid #c6dcd5; border-radius: 50%; font-size: 12px; font-weight: 800; }
.collage-step.current .collage-step-num, .collage-step.done .collage-step-num { color: #fff; background: var(--mint-deep); border-color: var(--mint-deep); }
.collage-step strong { display: block; font-size: 13px; }
.collage-step small { display: block; margin-top: 2px; font-size: 10px; color: var(--ink-soft); }
.collage-card { position: relative; }
.card-kicker { position: absolute; top: 17px; left: 17px; width: 29px; height: 29px; display: grid; place-items: center; border-radius: 10px; background: var(--mint); color: var(--mint-deep); font-size: 11px; font-weight: 800; }
.collage-card > h3, .collage-card > p { margin-left: 42px; }
.collage-upload-zone { min-height: 135px; display: grid; place-items: center; text-align: center; padding: 15px; margin-top: 14px; border: 1.5px dashed #8cb9ad; border-radius: 15px; background: linear-gradient(135deg, rgba(224,245,238,.66), rgba(255,255,255,.6)); cursor: pointer; }
.collage-upload-zone:hover { border-color: var(--mint-deep); background: #e8f8f1; }
.collage-upload-zone .drop-icon { width: 38px; height: 38px; margin: 0 auto 5px; font-size: 21px; }
.collage-upload-zone strong { display: block; font-size: 14px; }
.collage-upload-zone small { max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--ink-soft); font-size: 11px; }
.collage-upload-zone input { display: none; }
.field-label { display: grid; gap: 7px; margin-top: 14px; color: var(--ink-soft); font-size: 12px; font-weight: 700; }
.field-label > span:first-of-type { margin-left: 4px; color: #8aa39c; font-size: 10px; font-weight: 500; }
.field-hint { margin: 7px 0 0 !important; color: var(--ink-soft); font-size: 11px; line-height: 1.5; }
.export-progress { margin: 14px 0 0; padding: 12px 14px; border-radius: 12px; background: #edf8f3; color: var(--teal); font-weight: 700; line-height: 1.55; }
.export-error { margin: 14px 0 0; padding: 12px 14px; border-radius: 12px; background: #fff1eb; color: #8b3828; font-weight: 700; line-height: 1.6; overflow-wrap: anywhere; }
.wide-btn { width: 100%; margin-top: 13px; }
.collage-status { margin-top: 10px; padding: 9px 11px; border-radius: 10px; background: #f2f8e9; color: #687b55; font-size: 11px; }
.collage-source-reset { margin-top: 9px; }
.choice-list { margin-top: 14px; }
.color-input-row { display: grid; grid-template-columns: 48px 1fr; gap: 8px; align-items: center; margin-left: 0 !important; color: inherit !important; font-size: inherit !important; font-weight: inherit !important; }
.color-input-row input[type=color] { width: 48px; height: 42px; padding: 4px; cursor: pointer; }
.color-input-row input[type=text] { margin: 0; }
.collage-preview { min-height: 730px; display: flex; flex-direction: column; gap: 14px; padding: 20px; background: rgba(255,255,255,.68); border: 1px solid var(--line); border-radius: 18px; }
.collage-preview-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 14px; }
.collage-preview-head h2 { margin: 5px 0 0; font-size: 21px; }
.collage-export-actions { display: flex; gap: 8px; }
.collage-canvas-wrap { flex: 1; min-height: 620px; display: flex; align-items: center; justify-content: center; padding: 10px; border: 1px solid var(--line); border-radius: 15px; background: repeating-conic-gradient(#f4f7f5 0% 25%, #eaf0ed 0% 50%) 50% / 18px 18px; }
#collageCanvas { width: auto; max-width: min(100%, 540px); height: auto; max-height: 680px; border-radius: 4px; box-shadow: 0 10px 25px rgba(20,70,60,.16); background: white; }
.collage-preview-note { margin: 0; color: var(--ink-soft); font-size: 11px; text-align: center; }
.vertical-stack { display: grid; gap: 16px; align-content: start; }
.choice { display: flex; gap: 11px; align-items: center; padding: 12px; border: 1px solid var(--line); border-radius: 13px; background: rgba(255,255,255,.65); margin-top: 9px; text-align: left; width: 100%; color: var(--ink); }
.choice.active { border-color: var(--mint-deep); box-shadow: 0 0 0 2px rgba(22,105,97,.1); background: #f8fffa; }
.choice-mark { width: 45px; height: 36px; border: 1px solid #b8d4ca; border-radius: 8px; position: relative; background: #eef8f2; flex: 0 0 auto; }
.choice-mark.three:before, .choice-mark.three:after { content: ""; position: absolute; background: #9dc5b9; border-radius: 2px; }
.choice-mark.three:before { left: 5px; top: 5px; width: 12px; height: 26px; }
.choice-mark.three:after { right: 5px; top: 5px; width: 18px; height: 7px; box-shadow: 0 10px 0 #b4d4bf, 0 20px 0 #c9deb9; }
.choice-mark.matrix:before, .choice-mark.matrix:after { content: ""; position: absolute; background: #a3cbbb; }
.choice-mark.matrix:before { left: 5px; right: 5px; top: 5px; height: 8px; }
.choice-mark.matrix:after { left: 5px; right: 5px; bottom: 5px; height: 14px; box-shadow: 15px 0 0 -5px #b7d7c5, 30px 0 0 -5px #c7ddb9; }
.choice strong { display: block; font-size: 13px; }
.choice small { display: block; color: var(--ink-soft); margin-top: 3px; font-size: 11px; }
.upload-list { display: grid; gap: 7px; max-height: 200px; overflow: auto; margin-top: 10px; }
.upload-list button { text-align: left; border: 1px solid var(--line); background: #fff; color: var(--ink); border-radius: 10px; padding: 8px; font-size: 11px; }
.upload-list button.active { border-color: var(--mint-deep); background: #edfaf4; }
.collage-preview { min-height: 730px; display: flex; flex-direction: column; align-items: stretch; justify-content: initial; gap: 14px; background: rgba(255,255,255,.68); border: 1px solid var(--line); border-radius: 18px; padding: 20px; }
#collageCanvas { max-width: min(100%, 540px); width: auto; height: auto; max-height: 680px; border-radius: 4px; box-shadow: 0 10px 25px rgba(20,70,60,.16); background: white; }
.range-row { display: flex; align-items: center; gap: 10px; color: var(--ink-soft); font-size: 12px; }
input[type=range] { padding: 0; accent-color: var(--mint-deep); }

.scene-grid { display: grid; grid-template-columns: 390px 1fr; gap: 20px; }
.scene-canvas-wrap { min-height: 650px; display: flex; align-items: center; justify-content: center; padding: 18px; background: repeating-conic-gradient(#f4f7f5 0% 25%, #eaf0ed 0% 50%) 50% / 20px 20px; border: 1px solid var(--line); border-radius: 18px; }
.scene-upload-btn { display: block; width: 100%; margin-top: 9px; text-align: center; cursor: pointer; }
.scene-upload-status { margin-top: 10px; padding: 9px 11px; border-radius: 10px; background: #f2f8e9; color: #687b55; font-size: 11px; }
.scene-section-title { margin: 16px 0 8px; color: var(--ink-soft); font-size: 12px; }
.scene-background-option { min-width: 0; padding: 4px; border: 1px solid var(--line); border-radius: 11px; background: #fff; color: var(--ink); cursor: pointer; text-align: left; }
.scene-background-option:hover { border-color: var(--mint-deep); }
.scene-background-option.active { border-color: var(--mint-deep); box-shadow: 0 0 0 2px rgba(22,105,97,.14); background: #edfaf4; }
.scene-background-option img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 7px; background: #eaf1ed; }
.scene-background-option span { display: block; overflow: hidden; margin: 5px 3px 2px; font-size: 10px; white-space: nowrap; text-overflow: ellipsis; }
.scene-library-hint { color: #8aa39c; font-size: 10px; font-weight: 500; }
.scene-background-library { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 7px; max-height: 270px; overflow: auto; padding: 2px; }
.scene-library-empty { padding: 13px 10px; border: 1px dashed #a8c8be; border-radius: 10px; color: var(--ink-soft); font-size: 11px; text-align: center; }
.scene-asset-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 7px; margin-top: 11px; max-height: 275px; overflow: auto; }
.scene-asset { position: relative; min-width: 0; padding: 3px; border: 1px solid var(--line); border-radius: 9px; background: #fff; cursor: pointer; }
.scene-asset.active { border-color: var(--mint-deep); box-shadow: 0 0 0 2px rgba(22,105,97,.13); background: #edfaf4; }
.scene-asset img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 6px; background: #eaf1ed; }
.scene-asset span { position: absolute; right: 5px; bottom: 5px; min-width: 18px; padding: 2px 4px; border-radius: 6px; background: rgba(23,61,58,.8); color: #fff; font-size: 9px; text-align: center; }
#sceneCanvas { width: 100%; max-width: 920px; max-height: 78vh; height: auto; display: block; border-radius: 9px; box-shadow: 0 12px 30px rgba(20,70,60,.16); touch-action: none; }
.scene-hint { margin-top: 11px; color: var(--ink-soft); font-size: 11px; text-align: center; }
.slider-stack { display: grid; gap: 13px; margin-top: 12px; }
.slider-stack label { display: grid; gap: 7px; color: var(--ink-soft); font-size: 12px; }
.text-cover-layout { display: grid; grid-template-columns: minmax(290px, 360px) minmax(0, 1fr); gap: 20px; align-items: start; }
.text-cover-input-card h2, .text-cover-preview-head h2 { margin: 5px 0 7px; font-size: 20px; }
.text-cover-input-card .helper { color: var(--ink-soft); font-size: 12px; line-height: 1.6; }
.text-cover-input-card textarea { min-height: 390px; line-height: 1.8; }
.text-cover-tip { display: grid; gap: 4px; padding: 12px; margin-top: 14px; border-radius: 12px; background: #f3f8e9; color: #647650; font-size: 11px; }
.text-cover-tip strong { color: #435832; }
.text-cover-preview { min-height: 520px; padding: 19px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.68); }
.text-cover-preview-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 15px; }
.text-cover-preview-head h2 { margin-bottom: 0; }
.text-cover-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 14px; }
.text-cover-card { overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: #fff; box-shadow: 0 7px 20px rgba(20,70,60,.08); }
.text-cover-card img { display: block; width: 100%; aspect-ratio: 3 / 4; object-fit: cover; background: #f6f1eb; }
.text-cover-card-meta { display: flex; align-items: center; justify-content: space-between; padding: 8px 10px; color: var(--ink-soft); font-size: 11px; }
.text-cover-swatch { width: 17px; height: 17px; border: 1px solid rgba(23,61,58,.14); border-radius: 50%; }
.text-cover-empty { min-height: 420px; display: grid; place-content: center; gap: 9px; text-align: center; border: 1px dashed #b8ccc5; border-radius: 14px; background: #f8faf6; color: var(--ink-soft); }
.text-cover-empty strong { color: var(--ink); font-size: 15px; }
.text-cover-empty span { font-size: 11px; }
.text-cover-quote { color: #8a332e; font: 500 88px/1 Georgia, "Songti SC", serif; }
.xiaohongshu-layout { display: grid; grid-template-columns: minmax(280px, 360px) minmax(0, 1fr); gap: 20px; align-items: start; }
.xiaohongshu-settings h2, .xiaohongshu-preview-head h2 { margin: 5px 0 8px; font-size: 21px; }
.xiaohongshu-settings .choice-list { margin-top: 14px; }
.xiaohongshu-status { margin-top: 13px; padding: 11px 12px; border-radius: 11px; background: #f2f8e9; color: #687b55; font-size: 11px; line-height: 1.6; }
.xiaohongshu-preview { min-height: 620px; padding: 20px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.68); }
.xiaohongshu-preview-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 15px; }
.xiaohongshu-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 15px; }
.xiaohongshu-card { overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: #fff; box-shadow: 0 7px 20px rgba(20,70,60,.08); }
.xiaohongshu-card img { display: block; width: 100%; aspect-ratio: 3 / 4; object-fit: cover; background: #f5efe6; }
.xiaohongshu-empty { min-height: 450px; display: grid; place-content: center; gap: 9px; text-align: center; border: 1px dashed #b8ccc5; border-radius: 14px; background: #f8faf6; color: var(--ink-soft); }
.xiaohongshu-empty strong { color: var(--ink); font-size: 15px; }
.xiaohongshu-empty span { font-size: 11px; }
.scene-export-pages { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; max-height: 190px; overflow: auto; padding: 8px; margin: 9px 0; border: 1px solid var(--line); border-radius: 10px; background: #f8fbf8; }
.scene-export-pages label { display: flex; align-items: center; gap: 5px; min-width: 0; font-size: 11px; color: var(--ink-soft); }
.scene-export-pages label span { color: var(--mint-deep); font-weight: 800; }
.scene-export-pages label:last-child { grid-column: span 2; }
.scene-export-count { margin: 8px 0 0; color: var(--ink-soft); font-size: 11px; }
.export-all-assets-btn { margin-top: 12px; }

.toast { position: fixed; left: 50%; bottom: 24px; z-index: 50; transform: translate(-50%, 20px); opacity: 0; pointer-events: none; padding: 11px 16px; color: #fff; background: rgba(20, 59, 54, .94); border-radius: 12px; font-size: 13px; transition: opacity .2s, transform .2s; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.modal { width: min(680px, calc(100vw - 28px)); padding: 0; border: 0; border-radius: 24px; background: transparent; box-shadow: 0 30px 70px rgba(13,57,52,.26); }
.history-modal { width: min(980px, calc(100vw - 28px)); }
.modal::backdrop { background: rgba(14, 47, 43, .34); backdrop-filter: blur(3px); }
.modal-card { padding: 27px; border: 1px solid white; border-radius: 24px; background: #f9fcf8; }
.history-card { max-height: min(86vh, 820px); overflow: auto; }
.modal-head { display: flex; justify-content: space-between; gap: 15px; align-items: flex-start; margin-bottom: 20px; }
.modal-head h2 { margin: 4px 0 5px; font-size: 29px; }
.modal-head p { margin: 0; color: var(--ink-soft); font-size: 12px; }
.icon-btn { width: 36px; height: 36px; border: 1px solid var(--line); background: #fff; border-radius: 50%; font-size: 22px; color: var(--ink-soft); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; }
.form-grid label { display: grid; gap: 7px; color: var(--ink-soft); font-size: 12px; font-weight: 700; }
.form-grid .full { grid-column: 1 / -1; }
.api-note { padding: 12px 14px; margin-top: 17px; border-radius: 12px; background: #f3f7e5; color: #687044; font-size: 12px; line-height: 1.55; }
.modal-actions { display: flex; align-items: center; gap: 9px; margin-top: 20px; }
.spacer { flex: 1; }
.capsule-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 15px; padding: 13px 15px; border: 1px solid var(--line); border-radius: 15px; background: rgba(255,255,255,.72); }
.capsule-toolbar strong { display: block; font-size: 20px; }
.capsule-toolbar span { color: var(--ink-soft); font-size: 12px; }
.capsule-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.capsule-item { display: grid; grid-template-columns: 145px 1fr; gap: 14px; padding: 12px; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.76); }
.capsule-thumb { width: 145px; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 10px; background: linear-gradient(135deg, #dff3ed, #b8d4c6); }
.capsule-item h3 { margin: 1px 0 5px; font-size: 15px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.capsule-meta { color: var(--ink-soft); font-size: 11px; line-height: 1.55; }
.capsule-actions { display: flex; gap: 7px; flex-wrap: wrap; margin-top: 10px; }
.capsule-actions .mini-btn { padding: 6px 8px; }
.capsule-actions .danger-btn { color: #a54e42; border-color: #efd1ca; }
.capsule-loading, .capsule-empty { min-height: 170px; display: grid; place-items: center; border: 1px dashed #a8c8be; border-radius: 16px; color: var(--ink-soft); font-size: 13px; text-align: center; }
.capsule-note { margin-top: 14px; color: var(--ink-soft); font-size: 11px; line-height: 1.55; }

@media (max-width: 1050px) {
  .topbar { flex-wrap: wrap; gap: 11px; padding: 12px 16px; }
  .brand { min-width: 190px; }
  .top-actions { margin-left: 0; width: 100%; justify-content: flex-end; }
  .page-shell { padding: 18px 15px 50px; }
  .two-col, .visual-prompt-layout, .module-grid, .scene-grid, .text-cover-layout, .export-grid, .xiaohongshu-layout, .content-plan-list { grid-template-columns: 1fr; }
  .document-fields { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .collage-stepper { grid-template-columns: repeat(2, 1fr); }
  .generated-grid { grid-template-columns: repeat(2, 1fr); }
  .collage-preview, .scene-canvas-wrap { min-height: 420px; }
  .capsule-list { grid-template-columns: 1fr; }
}
@media (max-width: 650px) {
  .main-nav { order: 3; width: 100%; }
  .nav-item { flex: 1; padding: 10px 5px; }
  .hero { display: block; padding: 21px; }
  .hero-actions { margin-top: 16px; flex-wrap: wrap; }
  .project-input { min-width: 0; flex: 1; }
  .content-plan-toolbar { align-items: stretch; flex-direction: column; }
  .content-plan-actions { flex-wrap: wrap; }
  .content-plan-layout { grid-template-columns: 1fr; }
  .content-plan-layout p { margin-bottom: 0; }
  .content-plan-block { grid-template-columns: 1fr; }
  .stepper { overflow-x: auto; grid-template-columns: repeat(6, minmax(145px, 1fr)); }
  .step-panel { padding: 18px; }
  .panel-heading { display: block; }
  .tip-chip { display: inline-block; margin-top: 10px; }
  .stats { grid-template-columns: 1fr 1fr; }
  .progress-wrap { grid-column: 1 / -1; }
  .generated-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .form-grid .full { grid-column: auto; }
  .top-actions { overflow-x: auto; justify-content: flex-start; }
  .collage-preview-head { display: block; }
  .collage-export-actions { margin-top: 12px; }
  .text-cover-preview-head { align-items: flex-start; flex-direction: column; }
  .text-cover-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
  .capsule-item { grid-template-columns: 1fr; }
  .capsule-thumb { width: 100%; }
}
.cloud-locked body > .topbar,
.cloud-locked body > .page-shell,
.cloud-locked body > .toast { visibility: hidden; }
.cloud-account { display: flex; align-items: center; gap: 8px; color: #56736e; font-size: 13px; white-space: nowrap; }
.cloud-account .ghost-btn { padding: 8px 12px; }
.cloud-auth-modal { width: min(520px, calc(100vw - 32px)); border: 0; border-radius: 24px; padding: 0; box-shadow: 0 24px 80px #123a3033; }
.cloud-auth-modal::backdrop { background: #092e2a88; backdrop-filter: blur(4px); }
.cloud-auth-card { display: grid; gap: 16px; padding: 30px; }
.cloud-auth-card label { display: grid; gap: 8px; color: #254944; font-weight: 700; }
.cloud-auth-card input { width: 100%; min-height: 48px; border: 1px solid #d2e2dc; border-radius: 12px; padding: 12px 14px; color: #173d3a; font: inherit; box-sizing: border-box; }
.cloud-auth-error { min-height: 18px; margin: 0; color: #a33d2c; }
.cloud-auth-footnote { color: #6d8580; font-size: 13px; margin: 0; }
@media (max-width: 850px) { .cloud-account { gap: 5px; font-size: 11px; } .cloud-account .ghost-btn { padding: 7px 8px; } }