.ppt-page {
  --ppt-sheet: #fafbf6;
  --ppt-soft: #e9ede2;
  --ppt-button: #273f35;
  --ppt-button-ink: #f4f5ee;
  --ppt-shadow: rgb(39 63 53 / .045);
  --ppt-short: 180ms;
  --ppt-state: 280ms;
  --ppt-radius: 7px;
  --ppt-ease: cubic-bezier(.22, .75, .3, 1);
  display: flex;
  flex-direction: column;
}
html[data-theme="dark"] .ppt-page {
  --ppt-sheet: #19231d;
  --ppt-soft: #26352b;
  --ppt-button: #c3d3bf;
  --ppt-button-ink: #17241c;
  --ppt-shadow: rgb(3 9 5 / .22);
}
.ppt-main { position: relative; z-index: 2; flex: 1; width: min(1320px, calc(100% - 96px)); margin: 0 auto; padding: 44px 0 72px; }
.ppt-heading { display: flex; align-items: center; justify-content: space-between; gap: 32px; margin-bottom: 36px; }
.workshop-title { display: flex; align-items: center; gap: 15px; flex-shrink: 0; }
.workshop-seal { display: grid; place-items: center; width: 30px; height: 34px; border: 1px solid var(--accent); outline: 1px solid var(--accent); outline-offset: -4px; color: var(--accent); font-size: 18px; line-height: 1; }
.ppt-heading h1 { margin: 0; font-size: clamp(29px, 2.6vw, 35px); line-height: 1.3; font-weight: 400; letter-spacing: .07em; }
.workflow-steps { display: flex; align-items: center; gap: 12px; font-family: var(--sans); }
.workflow-steps button { display: flex; align-items: center; gap: 9px; min-height: 44px; padding: 9px 16px; border: 0; border-radius: 5px; background: transparent; color: var(--muted); font: inherit; font-size: 14px; cursor: pointer; transition: background var(--ppt-short), color var(--ppt-short); }
.workflow-steps button span { font-size: 11px; font-variant-numeric: tabular-nums; }
.workflow-steps button[aria-current="step"] { background: var(--ppt-soft); color: var(--ink); }
.workflow-steps button:disabled { cursor: default; opacity: .55; }
.workflow-panel { min-width: 0; animation: ppt-result-enter var(--ppt-state) var(--ppt-ease); }
.input-panel { width: min(1040px, 100%); margin-inline: auto; }
.ppt-editor, .ppt-output { min-width: 0; }
.panel-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 44px; margin-bottom: 14px; }
.panel-heading h2, .panel-heading label { margin: 0; font-size: 20px; line-height: 1.5; font-weight: 400; letter-spacing: .055em; }
.upload-button { display: inline-flex; align-items: center; gap: 9px; min-height: 44px; padding: 8px 14px; border: 1px solid var(--line); border-radius: 5px; background: transparent; color: var(--ink); font-family: var(--sans); font-size: 14px; line-height: 1.5; cursor: pointer; transition: background var(--ppt-short), transform 80ms; }
.upload-button::before { content: '+'; font-size: 20px; font-weight: 300; }
.upload-button:hover:not(:disabled) { background: var(--ppt-soft); }
.upload-button:active:not(:disabled) { transform: translateY(1px); }
.upload-button:disabled { color: var(--muted); cursor: wait; }
.text-sheet { position: relative; border: 1px solid var(--line); border-radius: var(--ppt-radius); background: var(--ppt-sheet); box-shadow: 0 12px 38px var(--ppt-shadow); transition: border-color var(--ppt-short), box-shadow var(--ppt-short); }
.text-sheet:focus-within { border-color: var(--ink); box-shadow: 0 0 0 2px var(--ppt-soft), 0 12px 38px var(--ppt-shadow); }
.text-sheet textarea { display: block; width: 100%; min-height: clamp(340px, 45vh, 500px); padding: 32px 36px; border: 0; border-radius: inherit; outline: 0; background: transparent; color: var(--ink); font-family: var(--sans); font-size: 17px; line-height: 1.95; letter-spacing: .015em; resize: vertical; }
.text-sheet textarea::placeholder { color: var(--muted); opacity: .7; }
.text-sheet textarea[readonly] { cursor: default; }
.text-sheet:has([aria-invalid="true"]) { border-color: var(--accent); }
.file-note, .workspace-notice, .field-error { margin: 12px 0 0; color: var(--muted); font-family: var(--sans); font-size: 14px; line-height: 1.8; overflow-wrap: anywhere; }
.file-note { max-width: 100%; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.field-error { color: var(--accent); }
.input-toolbar { display: flex; align-items: start; justify-content: space-between; gap: 24px; margin-top: 22px; }
.form-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 16px 22px; }
.model-choice { display: flex; align-items: center; gap: 10px; min-width: 0; max-width: 100%; }
.model-choice label { flex-shrink: 0; color: var(--muted); font-family: var(--sans); font-size: 14px; }
.model-choice select, .supplement-fields input, .page-editor input, .page-editor select, .export-history select { min-width: 0; min-height: 44px; padding: 9px 12px; border: 1px solid var(--line); border-radius: 5px; background: var(--ppt-sheet); color: var(--ink); font-family: var(--sans); font-size: 15px; line-height: 1.5; }
.model-choice select { width: 182px; cursor: pointer; }
.model-choice select:disabled { opacity: .65; cursor: default; }
.generate-button { display: inline-flex; align-items: center; justify-content: center; gap: 24px; min-width: 165px; min-height: 48px; padding: 12px 22px; border: 1px solid var(--ppt-button); border-radius: 5px; background: var(--ppt-button); color: var(--ppt-button-ink); font-family: var(--sans); font-size: 15px; line-height: 1.5; letter-spacing: .025em; cursor: pointer; transition: transform 80ms, background var(--ppt-short), color var(--ppt-short); }
.generate-button .arrow { width: 23px; }
.generate-button:hover:not(:disabled) { filter: brightness(1.1); }
.generate-button:active:not(:disabled) { transform: scale(.975); }
.generate-button:disabled { cursor: wait; opacity: .65; }
.quiet-button, .result-link { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 8px 0; border: 0; background: transparent; color: var(--ink); font-family: var(--sans); font-size: 14px; line-height: 1.7; cursor: pointer; transition: color var(--ppt-short); }
.quiet-button:hover, .result-link:hover { color: var(--accent); }
.quiet-button:disabled { color: var(--muted); cursor: wait; }
.outline-button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; flex-shrink: 0; min-height: 44px; padding: 9px 16px; border: 1px solid var(--line); border-radius: 5px; background: transparent; color: var(--ink); font-family: var(--sans); font-size: 14px; cursor: pointer; transition: background var(--ppt-short), transform 80ms; }
.outline-button:hover:not(:disabled) { background: var(--ppt-soft); }
.outline-button:active:not(:disabled) { transform: scale(.975); }
.outline-button:disabled { color: var(--muted); cursor: default; }
.supplement-settings { position: relative; font-family: var(--sans); font-size: 14px; }
.supplement-settings > summary, .editor-detail > summary { min-height: 44px; padding-block: 11px; color: var(--muted); cursor: pointer; }
.supplement-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; width: min(430px, 100%); padding: 12px 0; }
.supplement-fields label, .page-title-row label, .editor-detail label { display: grid; gap: 9px; font-family: var(--sans); font-size: 14px; }
.supplement-fields input, .page-editor input, .page-editor select, .export-history select { width: 100%; }
.ppt-page input:focus-visible, .ppt-page select:focus-visible, .page-editor textarea:focus-visible { outline: 2px solid var(--ppt-soft); outline-offset: 2px; border-color: var(--ink); }
.review-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 22px; }
.review-heading > div { display: flex; align-items: baseline; gap: 18px; min-width: 0; }
.review-heading h2 { margin: 0; font-size: 25px; font-weight: 400; overflow-wrap: anywhere; }
#draft-total { flex-shrink: 0; color: var(--muted); font-family: var(--sans); font-size: 14px; }
.review-workspace { display: grid; grid-template-columns: 225px minmax(0,1fr); gap: 30px; }
.page-sidebar { min-width: 0; }
.page-list { display: grid; gap: 5px; max-height: 630px; overflow-y: auto; scrollbar-width: thin; }
.page-list button { display: flex; align-items: baseline; gap: 12px; width: 100%; min-height: 49px; padding: 12px 14px; border: 1px solid transparent; border-radius: 5px; background: transparent; color: var(--muted); text-align: left; font-family: var(--sans); font-size: 14px; line-height: 1.65; cursor: pointer; transition: background var(--ppt-short), color var(--ppt-short); }
.page-list button[aria-current="page"] { border-color: var(--line); background: var(--ppt-sheet); color: var(--ink); }
.page-list button:hover:not(:disabled) { color: var(--ink); background: var(--ppt-soft); }
.page-list .page-index { flex-shrink: 0; font-size: 11px; font-variant-numeric: tabular-nums; }
.page-list .page-name { min-width: 0; overflow-wrap: anywhere; }
.page-list .page-mark { margin-left: auto; flex-shrink: 0; font-size: 12px; color: var(--accent); }
.page-pagination { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 12px; color: var(--muted); font-family: var(--sans); font-size: 12px; }
.page-pagination .quiet-button { font-size: 13px; }
.page-editor { min-width: 0; padding: 28px 32px; border: 1px solid var(--line); border-radius: var(--ppt-radius); background: var(--ppt-sheet); box-shadow: 0 10px 35px var(--ppt-shadow); }
.page-editor-heading { display: flex; align-items: baseline; gap: 15px; margin-bottom: 20px; font-family: var(--sans); font-size: 14px; color: var(--muted); }
.manual-mark { color: var(--accent); }
.page-operations { position: relative; margin-left: auto; }
.page-operations > summary { min-height: 44px; padding-block: 10px; cursor: pointer; }
.page-operations > div { position: absolute; right: 0; z-index: 5; display: grid; min-width: 212px; padding: 12px 18px; border: 1px solid var(--line); border-radius: 5px; background: var(--ppt-sheet); box-shadow: 0 12px 30px var(--ppt-shadow); }
.page-operations .quiet-button { justify-content: start; }
.page-title-row { display: grid; grid-template-columns: minmax(0,1fr) 140px; gap: 24px; }
.page-body-label { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin: 26px 0 12px; font-family: var(--sans); font-size: 14px; }
.page-body-label > span { color: var(--muted); font-size: 13px; }
.page-editor textarea { display: block; width: 100%; min-height: 160px; padding: 20px; border: 1px solid var(--line); border-radius: 5px; background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.9; resize: vertical; }
.page-editor .page-body-input { min-height: 295px; }
.editor-detail { margin-top: 8px; font-family: var(--sans); font-size: 14px; }
.editor-detail[open] { padding-bottom: 8px; }
.editor-detail textarea { margin: 8px 0; }
.editor-detail pre { max-height: 280px; margin: 10px 0; padding: 16px; border-left: 2px solid var(--line); background: var(--paper); color: var(--muted); white-space: pre-wrap; overflow: auto; overflow-wrap: anywhere; font-family: var(--sans); font-size: 15px; line-height: 1.8; }
#source-warning { margin: 6px 0 12px; color: var(--accent); line-height: 1.8; }
.editor-detail label + label { margin-top: 16px; }
.editor-footer { display: flex; justify-content: space-between; align-items: center; gap: 18px; margin-top: 24px; font-family: var(--sans); font-size: 14px; color: var(--muted); }
#edit-status { overflow-wrap: anywhere; }
.review-actions { display: flex; justify-content: flex-end; margin-top: 24px; }
.export-workspace { display: grid; grid-template-columns: minmax(0,1fr) 260px; gap: 32px; align-items: start; }
.export-workspace > .ppt-output { grid-column: 1; grid-row: 1; }
.style-editor { grid-column: 2; grid-row: 1; padding: 20px; border: 1px solid var(--line); border-radius: var(--ppt-radius); background: var(--ppt-sheet); }
.style-editor .panel-heading { margin-bottom: 18px; align-items: baseline; }
.style-editor .panel-heading h2 { font-size: 18px; }
.style-editor .quiet-button { font-size: 13px; }
.style-options { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 9px; margin: 0; padding: 0; border: 0; }
.style-option { position: relative; min-width: 0; cursor: pointer; }
.style-option > input { position: absolute; inset: 0; z-index: 1; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: inherit; }
.style-sample { position: relative; display: flex; align-items: center; justify-content: center; overflow: hidden; aspect-ratio: 4 / 3; padding: 9px; border: 1px solid var(--line); border-radius: 3px; transition: border-color var(--ppt-short), box-shadow var(--ppt-short); }
.style-option:has(input:checked) .style-sample { border-color: var(--ink); box-shadow: 0 0 0 2px var(--ppt-soft); }
.style-option:has(input:focus-visible) .style-sample { outline: 2px solid var(--ink); outline-offset: 4px; }
.style-option:has(input:disabled) { cursor: default; opacity: .65; }
.style-name { display: block; margin-top: 8px; text-align: center; font-family: var(--sans); font-size: 13px; }
.style-ink { background: #f4f5eb; color: #344e3d; font-family: var(--serif); font-size: 26px; }
.style-ink i { position: absolute; right: -12px; bottom: -8px; width: 35%; height: 80%; border-left: 2px solid #718066; border-radius: 50%; transform: rotate(30deg); opacity: .5; }
.style-magazine { align-items: start; justify-content: start; background: var(--style-paper,#f5f1e8); color: var(--style-ink,#1a2e1f); font-family: Georgia,serif; font-size: 16px; }
.style-magazine i { position: absolute; width: 50%; height: 23%; bottom: 16%; right: 12%; background: var(--style-ink,#1a2e1f); }
.style-swiss { justify-content: start; align-items: end; background: var(--style-accent,#002fa7); color: var(--style-accent-on,#f7f8f2); font-family: Arial,sans-serif; font-size: 29px; font-weight: 700; }
.style-swiss i { position: absolute; top: 9px; right: 9px; width: 7px; height: 7px; background: var(--style-accent-on,#f7f8f2); border-radius: 50%; }
.deck-theme-picker { margin: 28px 0 0; padding: 0; border: 0; min-width: 0; }
.deck-theme-picker > legend { padding: 0; margin-bottom: 13px; font-family: var(--sans); font-size: 14px; }
.deck-theme-options { display: grid; gap: 8px; }
.deck-theme-option { position: relative; display: flex; align-items: center; gap: 12px; min-width: 0; min-height: 51px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 4px; background: var(--ppt-sheet); cursor: pointer; transition: background var(--ppt-short), border-color var(--ppt-short); }
.deck-theme-option > input { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: inherit; }
.deck-theme-option:has(input:checked) { border-color: var(--ink); background: var(--ppt-soft); }
.deck-theme-option:has(input:focus-visible) { outline: 2px solid var(--ink); outline-offset: 4px; }
.deck-theme-option:hover:not(:has(input:disabled)) { background: var(--ppt-soft); }
.deck-theme-option:has(input:disabled) { opacity: .65; cursor: default; }
.deck-theme-sample { position: relative; flex-shrink: 0; display: grid; place-items: center; width: 38px; height: 31px; overflow: hidden; border: 1px solid rgb(0 0 0 / .12); border-radius: 2px; background: var(--deck-theme-paper); color: var(--deck-theme-ink); font: 17px/1 Georgia,serif; }
.deck-theme-sample > span { position: relative; z-index: 1; margin-bottom: 4px; }
.deck-theme-sample > i { position: absolute; inset: auto 0 0; height: 5px; background: var(--deck-theme-ink); }
.deck-theme-swiss .deck-theme-sample { font-family: Arial,sans-serif; font-weight: 600; }
.deck-theme-swiss .deck-theme-sample > i { height: 10px; background: var(--deck-theme-accent); }
.deck-theme-name { min-width: 0; font-family: var(--sans); font-size: 13px; line-height: 1.5; }
.confirmed-note { margin: 26px 0 17px; color: var(--muted); font-family: var(--sans); font-size: 13px; line-height: 1.8; }
.style-editor > .generate-button { width: 100%; }
.export-history { display: grid; gap: 10px; margin-top: 26px; padding-top: 20px; border-top: 1px solid var(--line); font-family: var(--sans); font-size: 13px; color: var(--muted); }
.preview-stage { position: relative; display: grid; width: 100%; aspect-ratio: 16 / 9; overflow: hidden; border: 1px solid var(--line); border-radius: var(--ppt-radius); background: var(--ppt-sheet); box-shadow: 0 16px 42px var(--ppt-shadow); }
.preview-empty { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 20px; min-width: 0; padding: 26px; text-align: center; }
.preview-empty .seal { width: 32px; height: 35px; opacity: .65; }
.preview-empty p { margin: 0; color: var(--muted); font-size: clamp(17px, 1.55vw, 21px); line-height: 1.7; letter-spacing: .07em; }
.preview-stage iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; background: var(--ppt-sheet); opacity: 0; transition: opacity var(--ppt-state); }
.preview-stage[data-loaded="true"] iframe { opacity: 1; }
.preview-stage[data-loaded="true"] .preview-empty { visibility: hidden; }
.preview-stage:fullscreen { width: 100vw; height: 100dvh; aspect-ratio: auto; border: 0; border-radius: 0; }
.preview-meta { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; margin-top: 19px; color: var(--muted); font-family: var(--sans); font-size: 14px; line-height: 1.8; }
.preview-meta span:first-child { min-width: 0; overflow-wrap: anywhere; }
.preview-meta span:last-child { flex-shrink: 0; }
.result-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 22px; margin-top: 14px; padding-top: 17px; border-top: 1px solid var(--line); animation: ppt-result-enter var(--ppt-state) var(--ppt-ease); }
.result-actions .refine-launch { margin-left: auto; }
.task-controls { display: flex; gap: 22px; margin-top: 18px; }
.task-controls:has(> [hidden]):not(:has(> :not([hidden]))) { display: none; }
.generation-status { display: grid; grid-template-rows: 0fr; max-width: 1040px; margin-inline: auto; transition: grid-template-rows var(--ppt-state) var(--ppt-ease), margin-top var(--ppt-state); }
.generation-status[data-visible="true"] { grid-template-rows: 1fr; margin-top: 24px; }
.status-inner { overflow: hidden; min-height: 0; }
.status-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding-block: 4px; }
.status-title { flex: 1; min-width: 0; margin: 0; font-family: var(--sans); font-size: 15px; line-height: 1.8; overflow-wrap: anywhere; }
.status-percent { font-family: var(--sans); color: var(--muted); font-size: 13px; font-variant-numeric: tabular-nums; }
.status-note { margin: 5px 0 0; color: var(--muted); font-family: var(--sans); font-size: 14px; line-height: 1.8; overflow-wrap: anywhere; }
.status-note:empty { display: none; }
.generation-progress { position: relative; display: block; height: 3px; overflow: hidden; margin: 9px 0 0; background: var(--ppt-soft); }
.generation-progress > span { display: block; width: 100%; height: 100%; background: var(--ink); transform: scaleX(0); transform-origin: left; transition: transform 400ms; }
.generation-progress[data-indeterminate="true"] > span { width: 35%; transform-origin: center; animation: ppt-processing 1.8s ease-in-out infinite; }
.progress-details summary { min-height: 44px; padding: 4px 0 10px; border-radius: 3px; list-style: none; cursor: pointer; }
.progress-details summary::-webkit-details-marker { display: none; }
.progress-details summary:hover .progress-disclosure { color: var(--ink); }
.progress-disclosure { display: inline-flex; flex-shrink: 0; align-items: center; gap: 8px; color: var(--muted); font-family: var(--sans); font-size: 13px; line-height: 1.8; }
.progress-disclosure > span { width: 6px; height: 6px; margin-top: -3px; border-right: 1px solid currentColor; border-bottom: 1px solid currentColor; transform: rotate(45deg); transition: transform var(--ppt-short); }
.progress-details[open] .progress-disclosure > span { margin-top: 3px; transform: rotate(225deg); }
.progress-body { margin-top: 13px; padding: 24px; border: 1px solid var(--line); border-radius: var(--ppt-radius); background: var(--ppt-sheet); font-family: var(--sans); font-size: 14px; line-height: 1.8; animation: ppt-result-enter var(--ppt-short) var(--ppt-ease); }
.progress-explanation { margin: 0; }
.progress-notice { margin: 12px 0 0; color: var(--accent); }
.progress-metrics { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 8px 20px; margin: 20px 0 0; }
.progress-metrics dt { color: var(--muted); }
.progress-metrics dd { min-width: 0; margin: 0; text-align: right; overflow-wrap: anywhere; font-variant-numeric: tabular-nums; }
.progress-basis { margin: 20px 0 0; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); }
.progress-checks { margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--line); }
.progress-checks h3, .progress-history h3 { margin: 0; font-size: 14px; font-weight: 400; }
.progress-checks > p { margin: 5px 0 12px; color: var(--muted); font-size: 13px; }
.progress-checks ol { display: grid; gap: 8px; margin: 0; padding-left: 1.3em; }
.progress-checks li { padding-left: 3px; overflow-wrap: anywhere; }
.progress-history { margin-top: 22px; }
.progress-history h3 { margin-bottom: 12px; }
.progress-history ol { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.progress-history li { display: grid; grid-template-columns: 58px minmax(0, 1fr); gap: 12px; }
.progress-history time { color: var(--muted); font-size: 13px; font-variant-numeric: tabular-nums; }
.generation-status[data-condition="offline"] .status-title, .generation-status[data-condition="authorization"] .status-title, .generation-status[data-condition="stale"] .status-title, .generation-status[data-condition="failed"] .status-title, .generation-status[data-condition="time-invalid"] .status-title { color: var(--accent); }
.draft-issues { display: grid; gap: 5px; margin: 14px 0 22px; font-family: var(--sans); font-size: 15px; line-height: 1.8; }
.draft-issues button { min-height: 44px; padding: 7px 0; border: 0; background: transparent; color: var(--accent); text-align: left; font: inherit; cursor: pointer; text-decoration: underline; text-underline-offset: 5px; overflow-wrap: anywhere; }
.draft-issues p { margin: 0; color: var(--muted); overflow-wrap: anywhere; }
.unlock-dialog { width: min(400px, calc(100% - 32px)); max-height: calc(100dvh - 32px); overflow-y: auto; margin: auto; padding: 30px; border: 1px solid var(--line); border-radius: var(--ppt-radius); background: var(--ppt-sheet); color: var(--ink); box-shadow: 0 22px 70px rgb(15 28 20 / .16); }
.unlock-dialog::backdrop { background: rgb(12 24 18 / .3); backdrop-filter: blur(3px); }
.unlock-dialog[open] { animation: ppt-result-enter var(--ppt-short) var(--ppt-ease); }
.unlock-dialog h2 { margin: 0 0 24px; font-size: 25px; line-height: 1.4; font-weight: 400; letter-spacing: .06em; }
.unlock-key { display: block; width: 100%; min-height: 50px; padding: 12px 15px; border: 1px solid var(--line); border-radius: 5px; background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.5; }
.unlock-key[aria-invalid="true"] { border-color: var(--accent); }
.unlock-actions { display: flex; align-items: center; justify-content: flex-end; gap: 24px; margin-top: 26px; }
.unlock-actions .generate-button { min-width: 144px; gap: 0; }
.ppt-page [hidden] { display: none; }
.ppt-page .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.ppt-page button:focus-visible, .ppt-page summary:focus-visible { outline: 2px solid var(--ink); outline-offset: 4px; }
.ppt-page[data-enter="true"] .ppt-heading { animation: ppt-page-enter 340ms var(--ppt-ease) both; }
.ppt-page[data-enter="true"] #input-step { animation: ppt-page-enter 340ms 65ms var(--ppt-ease) both; }
@keyframes ppt-page-enter { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@keyframes ppt-result-enter { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: none; } }
@keyframes ppt-processing { 0% { transform: translateX(-120%); } 100% { transform: translateX(390%); } }
@media (max-width: 1080px) { .ppt-main { width: calc(100% - 56px); } .export-workspace { grid-template-columns: minmax(0, 1fr) 235px; gap: 24px; } .style-editor { padding: 17px; } }
@media (max-width: 850px) { .ppt-heading { align-items: start; flex-direction: column; gap: 19px; } .workflow-steps { gap: 12px; } .review-workspace { grid-template-columns: 185px minmax(0,1fr); gap: 22px; } .page-editor { padding: 23px; } .input-toolbar { flex-wrap: wrap; } .input-toolbar .form-actions { margin-left: auto; } .supplement-fields { max-width: 430px; } }
@media (max-width: 720px) {
  .ppt-main { width: calc(100% - 32px); padding: 28px 0 44px; }
  .ppt-heading { margin-bottom: 25px; gap: 22px; }
  .ppt-heading h1 { font-size: 29px; }
  .workshop-title { gap: 12px; }
  .workshop-seal { width: 27px; height: 31px; font-size: 17px; }
  .workflow-steps { width: 100%; justify-content: space-between; gap: 4px; }
  .workflow-steps button { padding: 9px 10px; gap: 6px; font-size: 13px; }
  .workflow-steps button span { font-size: 10px; }
  .panel-heading { margin-bottom: 12px; }
  .panel-heading h2, .panel-heading label { font-size: 19px; }
  .text-sheet textarea { min-height: 330px; padding: 23px; font-size: 16px; }
  .input-toolbar { display: block; margin-top: 15px; }
  .form-actions { justify-content: space-between; gap: 14px; margin-top: 10px; }
  .model-choice { flex: 1; gap: 8px; }
  .model-choice label { display: none; }
  .model-choice select { width: 100%; max-width: 210px; font-size: 14px; }
  .form-actions .generate-button { min-width: 136px; gap: 12px; padding: 12px 16px; font-size: 14px; }
  .supplement-fields { gap: 16px; width: 100%; }
  .review-heading { align-items: start; gap: 12px; }
  .review-heading > div { align-items: start; gap: 6px; flex-direction: column; }
  .review-heading h2 { font-size: 22px; }
  .review-workspace { grid-template-columns: minmax(0,1fr); gap: 18px; }
  .page-list { display: flex; max-height: none; overflow-x: auto; padding-bottom: 7px; }
  .page-list button { flex: 0 0 155px; align-items: start; min-height: 70px; padding: 10px; }
  .page-list .page-name { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
  .page-list .page-mark { display: none; }
  .page-pagination { margin-top: 0; }
  .page-editor { padding: 18px; }
  .page-title-row { gap: 14px; grid-template-columns: minmax(0,1fr) 100px; }
  .page-body-label { flex-wrap: wrap; gap: 4px; }
  .page-editor textarea { padding: 16px; }
  .page-operations > div { min-width: 185px; }
  .editor-footer { gap: 12px; }
  .review-actions { justify-content: stretch; }
  .review-actions .generate-button { width: 100%; }
  .export-workspace { display: flex; flex-direction: column; gap: 24px; }
  .export-workspace > .ppt-output { width: 100%; order: 0; }
  .style-editor { width: 100%; order: 1; padding: 20px; }
  .style-options { gap: 12px; }
  .style-sample { aspect-ratio: 16/9; }
  .style-magazine { font-size: 22px; }
  .style-swiss { font-size: 32px; }
  .deck-theme-options { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .deck-theme-name { font-size: 13px; }
  .preview-empty { gap: 15px; padding: 18px; }
  .preview-meta { gap: 12px; font-size: 13px; }
  .result-actions { gap: 8px 20px; padding-top: 13px; }
  .result-actions .refine-launch { margin-left: 0; }
  .progress-body { padding: 18px; }
}
@media (max-width: 360px) { .ppt-main { width: calc(100% - 28px); } .workflow-steps button { padding-inline: 6px; } .upload-button { font-size: 13px; } .text-sheet textarea { padding: 19px; } .form-actions { flex-wrap: wrap; } .form-actions .generate-button { min-width: 128px; } }
@media (prefers-reduced-motion: reduce) { .ppt-page *, .ppt-page *::before, .ppt-page *::after { animation: none; transition: none; } .generation-progress[data-indeterminate="true"] > span { width: 100%; transform: none; opacity: .42; } }
@media (forced-colors: active) { .text-sheet, .preview-stage { border-color: CanvasText; background: Canvas; } .generate-button { background: ButtonFace; color: ButtonText; border-color: ButtonText; } .generation-progress > span { background: CanvasText; } }