:root {
  color-scheme: light;
  --paper: #f5f3ed;
  --surface: #fffef9;
  --ink: #1b1d1e;
  --muted: #6b706f;
  --line: #d7d4cb;
  --line-strong: #92948e;
  --green: #b9df3a;
  --green-dark: #587016;
  --cyan: #149eaa;
  --cyan-soft: #dff4f3;
  --coral: #eb6755;
  --coral-soft: #ffe9e2;
  --yellow: #f5c955;
  --shadow: 0 12px 30px rgba(27, 29, 30, 0.1);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; min-width: 0; min-height: 100vh; color: var(--ink); background: var(--paper); letter-spacing: 0; }
button, input, textarea { font: inherit; letter-spacing: 0; }
button { color: inherit; cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: 0.45; }
button:focus-visible, input:focus-visible, textarea:focus-visible { outline: 3px solid rgba(20, 158, 170, 0.28); outline-offset: 2px; }
textarea { resize: vertical; }
.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; }

.topbar { position: sticky; top: 0; z-index: 30; height: 68px; display: flex; align-items: center; justify-content: space-between; padding: 0 24px; border-bottom: 1px solid var(--line); background: rgba(255, 254, 249, 0.96); }
.topbar-brand-group { min-width: 0; display: flex; align-items: center; gap: 10px; }
.mobile-menu-button, .mobile-sidebar-header, .mobile-nav-scrim { display: none; }
.brand { display: flex; align-items: center; gap: 11px; padding: 0; border: 0; background: transparent; text-align: left; }
.brand-mark { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 6px; background: var(--ink); }
.brand-mark img { width: 20px; filter: invert(1); }
.brand > span:last-child { display: grid; gap: 2px; }
.brand strong { font-size: 19px; line-height: 1; }
.brand small { color: var(--muted); font-size: 10px; }
.topbar-actions { display: flex; align-items: center; gap: 14px; }
.playtest-feedback-button { min-height: 31px; padding: 0 10px; border: 1px solid var(--line-strong); border-radius: 5px; background: transparent; color: var(--muted); font-size: 9px; font-weight: 800; }
.playtest-feedback-button:hover:not(:disabled) { border-color: var(--cyan); color: var(--ink); background: var(--cyan-soft); }
.service-status { display: flex; align-items: center; gap: 7px; color: var(--muted); font-size: 11px; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--yellow); }
.service-status.ready .status-dot { background: var(--green); }
.service-status.unavailable .status-dot { background: var(--coral); }

.app-shell { min-height: calc(100vh - 68px); display: grid; grid-template-columns: 232px minmax(0, 1fr); }
.creation-sidebar { position: sticky; top: 68px; height: calc(100vh - 68px); overflow-y: auto; padding: 18px 14px; border-right: 1px solid var(--line); background: var(--surface); }
.sidebar-primary { display: grid; gap: 4px; }
.nav-button { min-height: 40px; display: grid; grid-template-columns: 25px 1fr; align-items: center; padding: 0 10px; border: 0; border-radius: 6px; background: transparent; text-align: left; font-size: 11px; }
.nav-button > span { font-size: 19px; }
.nav-button.active, .nav-button:hover { background: var(--paper); }
.new-creation-button { width: 100%; min-height: 40px; margin-top: 14px; border: 1px solid var(--ink); border-radius: 6px; background: var(--green); font-size: 11px; font-weight: 800; box-shadow: 3px 3px 0 var(--ink); }
.new-creation-button span { margin-right: 6px; font-size: 17px; }
.sidebar-heading { display: flex; justify-content: space-between; margin: 26px 8px 9px; color: var(--muted); font-size: 9px; font-weight: 800; }
.sidebar-creations { display: grid; gap: 5px; }
.sidebar-creation { width: 100%; min-height: 52px; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; padding: 4px 5px 4px 9px; border: 1px solid transparent; border-radius: 6px; background: transparent; }
.sidebar-creation:hover, .sidebar-creation.active { border-color: var(--line); background: var(--paper); }
.sidebar-creation-open { min-width: 0; display: grid; gap: 3px; padding: 3px 0; border: 0; background: transparent; text-align: left; }
.sidebar-creation-open strong { min-width: 0; overflow: hidden; font-size: 10px; text-overflow: ellipsis; white-space: nowrap; }
.sidebar-creation-open small { color: var(--muted); font-size: 8px; }
.sidebar-creation .creation-item-actions { gap: 0; }
.sidebar-creation .creation-action-button { width: 25px; height: 25px; }
.sidebar-creation .creation-action-button span { font-size: 17px; }

.main-stage { position: relative; min-width: 0; min-height: calc(100vh - 68px); overflow-anchor: none; background-color: var(--paper); background-image: linear-gradient(rgba(27, 29, 30, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(27, 29, 30, 0.03) 1px, transparent 1px); background-size: 30px 30px; }
.library-view, .keyword-favorites-view, .create-view, .detail-view { width: min(100% - 56px, 1040px); margin: 0 auto; padding: 42px 0 80px; }
.create-view { padding-bottom: 130px; }
.eyebrow { color: var(--cyan); font-size: 10px; font-weight: 900; }

.page-header { display: flex; justify-content: space-between; align-items: end; gap: 32px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.page-header h1, .page-header p { margin: 0; }
.page-header h1 { margin-top: 5px; font-size: 30px; }
.page-header p { margin-top: 8px; color: var(--muted); font-size: 12px; }
.page-count { align-self: end; padding: 7px 9px; border: 1px solid var(--ink); border-radius: 5px; background: var(--yellow); font-size: 10px; white-space: nowrap; }
.creation-grid { margin-top: 24px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.creation-card { min-height: 172px; display: grid; grid-template-rows: 1fr auto; border: 1px solid var(--line); border-radius: 7px; background: var(--surface); box-shadow: 0 5px 12px rgba(27, 29, 30, 0.05); }
.creation-card:hover { border-color: var(--ink); transform: translateY(-1px); }
.creation-card-open { width: 100%; min-height: 128px; display: grid; grid-template-rows: auto 1fr auto; gap: 12px; padding: 18px 18px 8px; border: 0; background: transparent; text-align: left; }
.creation-card header, .creation-card footer { display: flex; justify-content: space-between; gap: 10px; }
.creation-card h2, .creation-card p { margin: 0; }
.creation-card h2 { font-size: 17px; }
.creation-card p { color: var(--muted); font-size: 11px; line-height: 1.6; }
.creation-card footer { color: var(--muted); font-size: 9px; }
.creation-item-actions { display: flex; justify-content: flex-end; gap: 2px; padding: 0 10px 9px; }
.creation-action-button { width: 30px; height: 30px; }
.creation-action-button.active span { color: var(--coral); }
.library-empty { min-height: 360px; display: grid; place-items: center; align-content: center; gap: 6px; color: var(--muted); }
.library-empty img { width: 32px; opacity: 0.55; }
.library-empty strong { color: var(--ink); font-size: 14px; }
.library-empty span { font-size: 10px; }
.keyword-favorites-grid { margin-top: 24px; display: grid; gap: 20px; }
.keyword-favorite-group { display: grid; grid-template-columns: 84px minmax(0, 1fr); gap: 14px; align-items: start; }
.keyword-favorite-group .keyword-source-heading { padding-top: 15px; }
.keyword-favorite-group .keyword-group-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.keyword-favorite-card { min-width: 0; min-height: 92px; display: grid; grid-template-columns: minmax(0, 1fr) 34px; align-items: center; gap: 12px; padding: 15px 12px 15px 16px; border: 1px solid var(--line); border-radius: 7px; background: var(--surface); }
.keyword-favorite-card:hover { border-color: var(--ink); }
.keyword-favorite-card > div { min-width: 0; display: grid; gap: 7px; }
.keyword-favorite-card strong { overflow-wrap: anywhere; font-size: 15px; line-height: 1.35; }
.keyword-favorite-card span { color: var(--muted); font-size: 9px; }
.keyword-favorite-remove { width: 34px; height: 34px; border: 1px solid var(--line); background: var(--paper); }
.keyword-favorite-remove span { color: var(--coral); font-size: 20px; }

.create-intro { max-width: 760px; padding-bottom: 30px; }
.create-intro h1, .create-intro p { margin: 0; }
.create-intro h1 { margin-top: 8px; font-size: 34px; line-height: 1.25; }
.create-intro p { margin-top: 12px; color: var(--muted); font-size: 13px; }
.setup-section, .edit-section { padding: 26px 0; border-top: 1px solid var(--line); }
.direction-section { display: grid; grid-template-columns: 260px 1fr; gap: 38px; align-items: center; }
.section-heading { display: grid; grid-template-columns: 33px 1fr; gap: 11px; align-items: start; }
.section-number { width: 33px; height: 25px; display: grid; place-items: center; border: 1px solid var(--ink); border-radius: 4px; background: var(--yellow); font-size: 9px; font-weight: 900; }
.section-heading h2, .section-heading p { margin: 0; }
.section-heading h2 { font-size: 16px; }
.section-heading h2 em { margin-left: 6px; color: var(--cyan); font-size: 12px; font-style: normal; }
.section-heading p { margin-top: 4px; color: var(--muted); font-size: 10px; }
.keyword-heading { grid-template-columns: 33px 1fr auto; }
.clear-keywords-button { min-height: 28px; padding: 0 9px; border: 1px solid var(--line-strong); border-radius: 5px; background: var(--surface); color: var(--muted); font-size: 9px; font-weight: 800; }
.clear-keywords-button:hover:not(:disabled) { border-color: var(--coral); color: var(--coral); }
.direction-options { display: grid; grid-template-columns: repeat(2, minmax(150px, 1fr)); gap: 9px; }
.direction-option { min-height: 50px; padding: 0 16px; border: 1px solid var(--line-strong); border-radius: 6px; background: var(--surface); font-size: 12px; font-weight: 800; }
.direction-option.active { border-color: var(--ink); background: var(--cyan-soft); box-shadow: 3px 3px 0 var(--ink); }
.draw-button { width: 244px; min-height: 48px; margin-left: 44px; display: flex; align-items: center; justify-content: center; gap: 10px; border: 1px solid var(--ink); border-radius: 6px; background: var(--surface); box-shadow: 2px 2px 0 var(--ink); }
.draw-button:hover { background: #fff; box-shadow: 3px 3px 0 var(--ink); transform: translate(-1px, -1px); }
.draw-button img { width: 17px; padding: 6px; border: 1px solid var(--ink); border-radius: 4px; background: var(--yellow); box-sizing: content-box; }
.draw-button span { display: grid; gap: 2px; text-align: left; }
.draw-button strong { font-size: 12px; }
.draw-button small { color: var(--muted); font-size: 8px; }
.keyword-workbench-toolbar { margin: 16px 0 18px 44px; display: flex; align-items: center; }
.keyword-workbench-toolbar .draw-button { margin-left: 0; }

.keyword-list { min-height: 54px; margin: 16px 0 10px 44px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px 14px; overflow: visible; }
.create-keyword-list { margin-top: 0; gap: 16px 24px; }
.keyword-source-group { min-width: 0; }
.active-keyword-group { display: grid; gap: 4px; align-items: start; }
.field-keyword-group { align-self: start; gap: 8px; padding: 7px 0 9px; border-top: 1px solid var(--line); }
.field-keyword-header { min-height: 32px; display: flex; align-items: center; gap: 4px; }
.field-keyword-title { min-width: 0; min-height: 32px; margin: 0; flex: 0 1 auto; display: flex; align-items: center; gap: 7px; overflow: hidden; font-size: 11px; white-space: nowrap; }
.field-keyword-label { min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.field-keyword-count { color: var(--muted); font-size: 8px; font-weight: 600; }
.field-keyword-draw { width: 32px; height: 32px; display: grid; place-items: center; flex: 0 0 32px; padding: 0; border: 0; border-radius: 50%; background: transparent; line-height: 1; }
.field-keyword-draw span { width: 24px; height: 24px; display: grid; place-items: center; border: 1px solid var(--ink); border-radius: 4px; background: var(--yellow); color: var(--ink); box-shadow: 2px 2px 0 var(--ink); font-size: 16px; font-weight: 900; transition: transform 120ms ease, box-shadow 120ms ease, background 120ms ease; }
.field-keyword-draw:hover:not(:disabled) span { background: var(--lime); box-shadow: 3px 3px 0 var(--ink); transform: translate(-1px, -1px); }
.field-keyword-draw:active:not(:disabled) span { box-shadow: 1px 1px 0 var(--ink); transform: translate(1px, 1px); }
.field-keyword-draw:disabled span { box-shadow: 1px 1px 0 var(--ink); }
.field-keyword-draw:focus-visible { outline: 3px solid rgba(20, 158, 170, 0.28); outline-offset: 1px; }
.field-keyword-group .keyword-group-cards { min-height: 38px; align-content: start; }
.field-keyword-group .keyword-card { border-color: var(--line-strong); box-shadow: none; }
.field-keyword-group .keyword-card:hover { border-color: var(--ink); }
.keyword-group-empty-state { min-height: 38px; display: flex; align-items: center; color: var(--muted); font-size: 9px; }
.custom-keyword-group { align-self: start; }
.retained-keyword-group { grid-column: 1 / -1; grid-template-columns: 86px minmax(0, 1fr); gap: 10px; padding: 10px 0 2px; border-top: 1px dashed var(--cyan); }
.retained-keyword-group .keyword-source-heading { padding-top: 7px; color: var(--cyan); }
.retained-keyword-group .keyword-card { border-color: var(--cyan); box-shadow: none; }
.favorite-add-group, .usage-group { display: grid; grid-template-columns: 58px minmax(0, 1fr); gap: 8px; align-items: start; }
.keyword-source-heading { margin: 0; color: var(--ink); font-size: 11px; font-weight: 800; line-height: 1.4; letter-spacing: 0; }
.keyword-source-draw { min-height: 25px; display: inline-flex; align-items: center; gap: 5px; margin: -4px 0 0 -6px; padding: 3px 5px 3px 6px; border: 1px solid transparent; border-radius: 5px; background: transparent; color: var(--ink); font: inherit; line-height: 1; }
.keyword-source-draw:hover { border-color: var(--ink); background: var(--cyan-soft); }
.keyword-source-draw:focus-visible { outline: 3px solid rgba(20, 158, 170, 0.28); outline-offset: 1px; }
.keyword-source-draw-plus { width: 16px; height: 16px; display: grid; place-items: center; border: 1px solid var(--ink); border-radius: 4px; background: var(--yellow); font-size: 13px; font-weight: 900; line-height: 1; }
.favorite-add-group .keyword-source-heading, .usage-group .keyword-source-heading { padding-top: 7px; }
.keyword-group-cards { min-width: 0; display: flex; flex-wrap: wrap; gap: 6px; overflow: visible; }
.keyword-card { min-height: 38px; display: grid; grid-template-columns: minmax(0, 1fr) auto; grid-template-rows: auto auto; gap: 1px 6px; padding: 5px 4px 4px 9px; border: 1px solid var(--ink); border-radius: 5px; background: var(--surface); box-shadow: 1px 1px 0 var(--ink); }
.keyword-card > strong { min-width: 0; overflow-wrap: anywhere; font-size: 10px; line-height: 1.25; }
.keyword-card small { grid-column: 1; color: var(--muted); font-size: 8px; }
.keyword-replace img { opacity: 0.72; }
.keyword-replace.replacing img { animation: spin 280ms ease-in-out; }
.keyword-actions { grid-column: 2; grid-row: 1 / span 2; display: flex; align-items: center; }
.keyword-actions .icon-button { width: 25px; height: 25px; }
.keyword-actions .icon-button span { font-size: 18px; }
.keyword-actions .icon-button img { width: 13px; }
.icon-button { width: 32px; height: 32px; display: grid; place-items: center; padding: 0; border: 0; border-radius: 5px; background: transparent; }
.icon-button:hover { background: var(--paper); }
.icon-button img { width: 15px; }
.icon-button span { font-size: 21px; line-height: 1; }
.icon-button.active span { color: var(--coral); }
.keyword-empty { min-height: 54px; margin: -64px 0 10px 44px; display: grid; place-items: center; align-content: center; gap: 5px; color: var(--muted); pointer-events: none; }
.keyword-empty img { width: 24px; opacity: 0.5; }
.keyword-empty strong { font-size: 10px; }
.inline-form { margin-left: 44px; display: grid; grid-template-columns: 1fr 40px; }
.inline-form input { min-width: 0; height: 40px; padding: 0 11px; border: 1px solid var(--line); border-right: 0; border-radius: 6px 0 0 6px; background: var(--surface); font-size: 11px; }
.inline-form button { border: 1px solid var(--ink); border-radius: 0 6px 6px 0; background: var(--ink); color: #fff; font-size: 18px; }
.favorite-keywords { margin: 10px 0 0 44px; display: grid; gap: 6px; }
.manual-keyword-section { margin: 18px 0 0 44px; padding-top: 14px; border-top: 1px solid var(--line); }
.manual-keyword-heading { display: flex; align-items: baseline; gap: 9px; }
.manual-keyword-heading strong { font-size: 11px; }
.manual-keyword-heading span { color: var(--muted); font-size: 9px; }
.manual-keyword-section .inline-form { margin: 10px 0 0; }
.manual-keyword-section .favorite-keywords { margin-left: 0; }
.favorite-add { padding: 6px 8px; border: 1px dashed var(--line-strong); border-radius: 5px; background: transparent; font-size: 9px; }
.favorite-add:hover:not(:disabled) { border-style: solid; background: var(--cyan-soft); }
.empty-copy { color: var(--muted); font-size: 9px; }

.idea-inputs label, .edit-section label { display: block; margin: 16px 0 6px 44px; color: var(--muted); font-size: 10px; font-weight: 800; }
.idea-inputs textarea, .edit-section textarea { width: calc(100% - 44px); margin-left: 44px; padding: 11px 12px; border: 1px solid var(--line); border-radius: 6px; background: var(--surface); color: var(--ink); font-size: 12px; line-height: 1.6; }
.generate-button, .primary-button, .secondary-button, .icon-text-button, .text-button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; }
.generate-button { min-height: 50px; border: 1px solid var(--ink); border-radius: 6px; background: var(--green); font-weight: 900; box-shadow: 4px 4px 0 var(--ink); }
.create-action-dock { position: fixed; right: 0; bottom: 0; left: 232px; z-index: 14; display: flex; justify-content: center; padding: 14px 28px 16px; border-top: 1px solid var(--line); background: rgba(255, 254, 249, 0.94); box-shadow: 0 -8px 24px rgba(27, 29, 30, 0.08); backdrop-filter: blur(8px); }
.create-action-dock .generate-button { width: min(100%, 360px); min-height: 54px; font-size: 13px; }
.generate-button img, .primary-button img, .secondary-button img { width: 15px; }
.primary-button, .secondary-button { min-height: 40px; padding: 0 16px; border: 1px solid var(--ink); border-radius: 6px; font-size: 11px; font-weight: 800; }
.primary-button { background: var(--green); }
.secondary-button { background: var(--surface); }
.text-button { padding: 6px 0; border: 0; background: transparent; color: var(--muted); font-size: 10px; }
.text-button:hover { color: var(--ink); }
.icon-text-button { min-height: 36px; padding: 0 11px; border: 1px solid var(--line); border-radius: 6px; background: var(--surface); font-size: 10px; font-weight: 700; }
.icon-text-button > span:first-child { font-size: 18px; }
.icon-text-button.active > span:first-child { color: var(--coral); }
.quick-modify-button { display: none; align-items: center; gap: 6px; }
.quick-modify-button img { width: 14px; height: 14px; }
.detail-action-dock { display: none; }
.error-banner { margin: 14px 0 18px 44px; display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: center; padding: 10px 12px; border: 1px solid var(--coral); border-radius: 6px; background: var(--coral-soft); font-size: 10px; }
.error-banner button { padding: 5px 9px; border: 1px solid var(--ink); border-radius: 4px; background: #fff; font-weight: 700; }

.detail-view { width: min(100% - 48px, 1120px); }
.detail-toolbar { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.creation-identity { display: grid; gap: 3px; text-align: center; }
.creation-identity span { color: var(--muted); font-size: 8px; }
.creation-identity strong { max-width: 360px; overflow: hidden; font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.detail-toolbar-actions { justify-self: end; display: flex; gap: 7px; }
.detail-layout { display: grid; grid-template-columns: minmax(0, 1fr) 350px; gap: 38px; align-items: start; }
.idea-reader { min-width: 0; margin: 44px 0 0; }
.idea-header { display: grid; grid-template-columns: 1fr 36px; gap: 24px; padding-bottom: 28px; border-bottom: 2px solid var(--ink); }
.idea-header h1, .idea-header p { margin: 0; }
.idea-header h1 { margin-top: 12px; font-family: "Songti SC", STSong, serif; font-size: 38px; line-height: 1.25; overflow-wrap: anywhere; }
.idea-header p { margin-top: 12px; color: var(--muted); font-size: 16px; line-height: 1.7; }
.idea-meta { padding: 4px 7px; border-radius: 4px; background: var(--yellow); font-size: 9px; font-weight: 900; }
.idea-sections { display: grid; gap: 30px; padding: 36px 0; }
.idea-section h2, .idea-section p { margin: 0; }
.idea-section h2 { margin-bottom: 10px; color: var(--cyan); font-size: 13px; }
.idea-section p { font-family: "Songti SC", STSong, serif; font-size: 17px; line-height: 1.9; }
.usage-section, .inspiration-section { padding: 24px 0; border-top: 1px solid var(--line); }
.minor-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; }
.minor-heading h2 { margin: 0; font-size: 13px; }
.minor-heading span { color: var(--muted); font-size: 9px; }
.keyword-usage { margin-top: 12px; display: grid; gap: 7px; }
.usage-chip { max-width: 100%; padding: 5px 7px; border: 1px solid var(--line); border-radius: 4px; background: var(--surface); font-size: 9px; overflow-wrap: anywhere; }
.usage-chip.semantic { border-color: var(--cyan); background: var(--cyan-soft); }
.usage-chip.unclear { border-color: var(--coral); background: var(--coral-soft); }
.usage-chip.pending { border-style: dashed; color: var(--muted); }
.usage-chip.unavailable { border-color: var(--line-strong); background: var(--paper); color: var(--muted); }
.exclusion-usage-group { margin-top: 5px; padding-top: 11px; border-top: 1px dashed var(--line-strong); }
.exclusion-usage-group .keyword-source-heading { color: var(--coral); }
.excluded-concept-chip { line-height: 1.5; }
.excluded-concept-chip.removed { border-color: var(--cyan); background: var(--cyan-soft); }
.excluded-concept-chip.requirement, .excluded-concept-chip.base-text { border-color: var(--yellow); background: #fff4cf; }
.excluded-concept-chip.unknown { border-style: dashed; border-color: var(--line-strong); background: var(--paper); color: var(--muted); }
.inspiration-section textarea { width: 100%; margin-top: 12px; padding: 12px; border: 1px solid var(--line); border-radius: 6px; background: var(--surface); font-size: 12px; line-height: 1.6; }
.idea-actions { display: flex; justify-content: flex-end; gap: 9px; padding-top: 22px; border-top: 1px solid var(--line); }
.detail-view .error-banner { width: 100%; margin-left: 0; }

.detail-tools { position: sticky; top: 88px; max-height: calc(100vh - 108px); margin-top: 24px; overflow-y: auto; border: 1px solid var(--line); border-radius: 7px; background: rgba(255, 254, 249, 0.98); box-shadow: var(--shadow); }
.tool-header { position: sticky; top: 0; z-index: 2; display: grid; grid-template-columns: 1fr auto; align-items: center; padding: 8px; border-bottom: 1px solid var(--line); background: var(--surface); }
.tool-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }
.tool-tabs button { min-height: 34px; padding: 0 8px; border: 0; border-radius: 5px; background: transparent; color: var(--muted); font-size: 10px; font-weight: 800; }
.tool-tabs button.active { background: var(--ink); color: #fff; }
.tool-tabs button span { margin-left: 3px; font-size: 8px; }
.tool-close { display: none; margin-left: 4px; font-size: 20px; }
.tool-panel { padding: 15px; }
.tool-intro { margin: 0; color: var(--muted); font-size: 9px; }
.tool-section { padding: 16px 0; border-bottom: 1px solid var(--line); }
.tool-section:last-of-type { border-bottom: 0; }
.tool-section-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.tool-section-heading h2 { margin: 0; font-size: 11px; }
.tool-section-heading h2 em { margin-left: 4px; color: var(--cyan); font-size: 9px; font-style: normal; }
.tool-section-heading span { color: var(--muted); font-size: 8px; }
.tool-section-actions { display: flex; align-items: center; gap: 7px; }
.tool-section-actions .clear-keywords-button { min-height: 25px; padding-inline: 7px; }
.modify-tool-panel .direction-options { margin-top: 10px; grid-template-columns: repeat(2, 1fr); }
.modify-tool-panel .direction-option { min-width: 0; min-height: 38px; padding: 0 8px; font-size: 10px; }
.single-draw-fields { margin-top: 10px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 5px; }
.single-draw-button { min-height: 32px; padding: 3px; border: 1px dashed var(--line-strong); border-radius: 5px; background: var(--surface); font-size: 9px; font-weight: 800; }
.single-draw-button::before { content: "+"; margin-right: 3px; color: var(--cyan); font-size: 12px; }
.single-draw-button:hover { border-style: solid; border-color: var(--ink); background: var(--cyan-soft); }
.modify-tool-panel .keyword-list { min-height: 0; margin: 11px 0 9px; grid-template-columns: 1fr; overflow: visible; gap: 8px; }
.modify-tool-panel .active-keyword-group, .modify-tool-panel .favorite-add-group { grid-template-columns: 50px minmax(0, 1fr); gap: 6px; }
.modify-tool-panel .active-keyword-group .keyword-source-heading { padding-top: 7px; }
.modify-tool-panel .keyword-card { width: auto; max-width: 100%; min-height: 38px; box-shadow: none; }
.removed-keywords { margin: 11px 0 10px; padding-top: 10px; border-top: 1px dashed var(--coral); }
.removed-keywords > header { min-height: 28px; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.removed-keyword-heading { min-width: 0; display: grid; gap: 2px; }
.removed-keywords > header strong { color: var(--coral); font-size: 9px; }
.removed-keywords > header strong span { margin-left: 3px; }
.removed-keyword-heading small { color: var(--muted); font-size: 7px; line-height: 1.35; }
.removed-keywords > header button { min-height: 28px; padding: 0 7px; border: 0; background: transparent; color: var(--muted); font-size: 8px; font-weight: 800; }
.removed-keywords > header button:hover { color: var(--ink); }
.removed-keyword-list { display: grid; gap: 5px; }
.removed-keyword-item { min-width: 0; min-height: 38px; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 7px; padding: 4px 4px 4px 8px; border: 1px solid var(--coral); border-radius: 5px; background: var(--coral-soft); }
.removed-keyword-item > div { min-width: 0; display: grid; gap: 2px; }
.removed-keyword-item strong { overflow-wrap: anywhere; font-size: 9px; line-height: 1.35; }
.removed-keyword-item small { color: var(--muted); font-size: 7px; }
.removed-keyword-item > .removed-keyword-actions { display: flex; align-items: center; gap: 2px; }
.removed-keyword-action { width: 28px; height: 28px; border: 1px solid var(--ink); border-radius: 4px; background: var(--surface); }
.removed-keyword-action:hover { background: var(--cyan-soft); }
.removed-keyword-action img { width: 13px; }
.modify-tool-panel .inline-form { margin: 0; }
.modify-tool-panel .favorite-keywords { margin: 8px 0 0; }
.tool-section label { display: block; margin: 0 0 5px; color: var(--muted); font-size: 9px; font-weight: 800; }
.tool-section label:not(:first-child) { margin-top: 11px; }
.tool-section textarea { width: 100%; padding: 9px; border: 1px solid var(--line); border-radius: 6px; background: var(--surface); font-size: 10px; line-height: 1.5; }
.modify-tool-panel > .generate-button { width: 100%; min-height: 44px; margin-top: 12px; font-size: 11px; }
.modify-tool-panel .error-banner { margin: 10px 0; }
.validation-hint { margin: 10px 0; padding: 10px 12px; border-left: 3px solid var(--coral); background: var(--coral-soft); color: var(--ink); font-size: var(--font-field); line-height: 1.55; }
.history-tool-heading p { margin: 4px 0 0; color: var(--muted); font-size: 9px; }
.history-list { margin-top: 13px; display: grid; gap: 7px; }
.history-item { min-height: 66px; display: grid; align-content: space-between; gap: 10px; padding: 10px; border: 1px solid var(--line); border-radius: 6px; background: var(--surface); text-align: left; }
.history-item:hover, .history-item.active { border-color: var(--ink); }
.history-item strong { font-size: 11px; line-height: 1.4; }
.history-item span { color: var(--muted); font-size: 8px; }
.tool-scrim { display: none; }

.generation-status, .generation-notice { position: fixed; right: 24px; bottom: 88px; z-index: 48; width: min(380px, calc(100vw - 48px)); min-height: 64px; display: flex; align-items: center; gap: 12px; padding: 11px 12px; border: 1px solid var(--ink); border-radius: 7px; background: var(--surface); box-shadow: var(--shadow); }
.generation-status.in-context-status { position: absolute; width: 1px; height: 1px; min-height: 0; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; box-shadow: none; }
.generation-status img { width: 26px; flex: 0 0 26px; animation: spin 1.1s linear infinite; }
.generation-status div, .generation-notice > div { min-width: 0; display: grid; gap: 3px; }
.generation-status strong, .generation-notice strong { font-size: 12px; }
.generation-status span, .generation-notice span { color: var(--muted); font-size: 9px; line-height: 1.45; }
.generation-notice { width: min(430px, calc(100vw - 48px)); }
.generation-notice > div { flex: 1; }
.generation-notice .primary-button { min-height: 40px; flex: 0 0 auto; padding-inline: 14px; }
.generation-notice .icon-button { width: 40px; height: 40px; flex: 0 0 40px; font-size: 20px; }
.generation-notice.error { border-color: var(--danger); }
.generation-button-loading { animation: spin 1.1s linear infinite; }
body.generation-detail-active .generation-status { bottom: 24px; }
.toast { position: fixed; left: calc(50% + 116px); bottom: 24px; z-index: 50; max-width: 420px; padding: 9px 14px; display: flex; align-items: center; gap: 10px; border: 1px solid var(--ink); border-radius: 6px; background: var(--ink); color: #fff; box-shadow: var(--shadow); font-size: 10px; transform: translateX(-50%); }
.toast button { min-height: 28px; padding: 2px 8px; border: 1px solid #fff; border-radius: 4px; background: transparent; color: #fff; font-size: 9px; font-weight: 800; }
.toast button:hover { background: #fff; color: var(--ink); }

.playtest-dialog { width: min(calc(100% - 32px), 650px); max-height: calc(100vh - 32px); padding: 0; overflow: visible; border: 0; border-radius: 8px; background: transparent; color: var(--ink); }
.playtest-dialog::backdrop { background: rgba(27, 29, 30, 0.5); backdrop-filter: blur(3px); }
.playtest-dialog[open] { animation: confirm-in 160ms ease-out; }
.playtest-dialog-shell { max-height: calc(100vh - 32px); overflow-y: auto; border: 1px solid var(--ink); border-radius: 8px; background: var(--surface); box-shadow: 8px 8px 0 rgba(27, 29, 30, 0.18); }
.playtest-dialog-header { position: relative; display: grid; grid-template-columns: 44px 1fr auto; gap: 14px; align-items: center; padding: 22px 24px 18px; border-bottom: 1px solid var(--line); }
.playtest-dialog-header::before { content: ""; position: absolute; inset: 0 0 auto; height: 5px; background: var(--cyan); }
.playtest-dialog-mark { width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid var(--ink); border-radius: 6px; background: var(--cyan-soft); }
.playtest-dialog-mark img { width: 21px; }
.playtest-dialog-header h2 { margin: 4px 0 0; font-size: 20px; line-height: 1.3; }
.dialog-close-button { align-self: start; font-size: 21px; }
.playtest-dialog-body { padding: 20px 24px 0; }
.playtest-dialog-body > p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.7; }
.privacy-summary { margin: 18px 0 0; border-top: 1px solid var(--line); }
.privacy-summary div { display: grid; grid-template-columns: 76px 1fr; gap: 14px; padding: 13px 0; border-bottom: 1px solid var(--line); }
.privacy-summary dt { font-size: 10px; font-weight: 900; }
.privacy-summary dd { margin: 0; color: var(--muted); font-size: 10px; line-height: 1.7; }
.privacy-reminder { margin-top: 14px !important; padding: 10px 12px; border-left: 3px solid var(--yellow); background: rgba(245, 201, 85, 0.13); color: var(--ink) !important; }
.playtest-dialog-actions { display: grid; grid-template-columns: 1fr 1.35fr; gap: 9px; padding: 20px 24px 24px; }
.playtest-dialog-actions button { min-height: 43px; }
.dialog-error { margin-top: 14px; padding: 9px 11px; border: 1px solid var(--coral); border-radius: 5px; background: var(--coral-soft); color: var(--ink); font-size: 10px; line-height: 1.5; }
.playtest-feedback-form { padding: 4px 24px 24px; }
.playtest-feedback-form fieldset { margin: 0; padding: 14px 0; border: 0; border-bottom: 1px solid var(--line); }
.playtest-feedback-form legend { width: 100%; display: flex; align-items: center; gap: 9px; padding: 0; font-size: 11px; font-weight: 900; }
.playtest-feedback-form legend span { width: 27px; height: 21px; display: grid; place-items: center; border: 1px solid var(--ink); border-radius: 4px; background: var(--yellow); font-size: 8px; }
.playtest-feedback-form textarea { width: 100%; margin-top: 11px; padding: 10px 11px; border: 1px solid var(--line-strong); border-radius: 6px; background: var(--surface); color: var(--ink); font-size: 11px; line-height: 1.6; }
.reason-options { margin-top: 11px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px; }
.reason-options label, .rating-options label { position: relative; cursor: pointer; }
.reason-options input, .rating-options input { position: absolute; opacity: 0; pointer-events: none; }
.reason-options label > span { min-height: 38px; display: flex; align-items: center; padding: 0 10px; border: 1px solid var(--line); border-radius: 5px; background: var(--surface); font-size: 10px; }
.reason-options input:checked + span, .rating-options input:checked + span { border-color: var(--ink); background: var(--cyan-soft); box-shadow: 2px 2px 0 var(--ink); font-weight: 900; }
.reason-options input:focus-visible + span, .rating-options input:focus-visible + span { outline: 3px solid rgba(20, 158, 170, 0.28); outline-offset: 2px; }
.rating-options { margin-top: 11px; display: grid; grid-template-columns: repeat(5, 1fr); gap: 7px; }
.rating-options label > span { min-height: 38px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 5px; background: var(--surface); font-size: 11px; }
.rating-scale { display: flex; justify-content: space-between; margin-top: 6px; color: var(--muted); font-size: 8px; }
.playtest-feedback-form > .generate-button { position: sticky; bottom: 0; z-index: 2; width: 100%; min-height: 46px; margin-top: 18px; box-shadow: 0 -10px 18px 7px var(--surface), 4px 4px 0 var(--ink); }
.playtest-feedback-success { display: grid; justify-items: center; gap: 9px; padding: 36px 24px 30px; text-align: center; }
.success-mark { width: 46px; height: 46px; display: grid; place-items: center; border: 1px solid var(--ink); border-radius: 50%; background: var(--green); font-size: 22px; font-weight: 900; }
.playtest-feedback-success h3, .playtest-feedback-success p { margin: 0; }
.playtest-feedback-success h3 { font-size: 18px; }
.playtest-feedback-success p { color: var(--muted); font-size: 10px; line-height: 1.7; }
.playtest-feedback-success strong { color: var(--ink); }
.playtest-feedback-success button { min-width: 170px; margin-top: 8px; }

.confirm-dialog { width: min(calc(100% - 32px), 430px); padding: 0; overflow: visible; border: 0; border-radius: 8px; background: transparent; color: var(--ink); }
.confirm-dialog::backdrop { background: rgba(27, 29, 30, 0.46); backdrop-filter: blur(3px); }
.confirm-dialog[open] { animation: confirm-in 160ms ease-out; }
.confirm-dialog-content { position: relative; display: grid; grid-template-columns: 48px 1fr; gap: 18px; padding: 26px; overflow: hidden; border: 1px solid var(--ink); border-radius: 8px; background: var(--surface); box-shadow: 8px 8px 0 rgba(27, 29, 30, 0.18); }
.confirm-dialog-content::before { content: ""; position: absolute; inset: 0 0 auto; height: 5px; background: var(--cyan); }
.confirm-dialog[data-tone="danger"] .confirm-dialog-content::before { background: var(--coral); }
.confirm-dialog-icon { width: 48px; height: 48px; display: grid; place-items: center; border: 1px solid var(--ink); border-radius: 7px; background: var(--cyan-soft); }
.confirm-dialog[data-tone="danger"] .confirm-dialog-icon { background: var(--coral-soft); }
.confirm-dialog-icon img { width: 22px; height: 22px; }
.confirm-dialog-copy { min-width: 0; }
.confirm-dialog-copy h2 { margin: 7px 0 8px; font-size: 18px; line-height: 1.3; overflow-wrap: anywhere; }
.confirm-dialog-copy p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.7; }
.confirm-dialog-actions { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1.35fr; gap: 9px; margin-top: 5px; }
.confirm-dialog-actions button { min-height: 42px; justify-content: center; }
.confirm-dialog[data-tone="danger"] .confirm-dialog-actions .primary-button { border-color: var(--ink); background: var(--coral); color: var(--ink); }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes confirm-in { from { opacity: 0; transform: translateY(8px) scale(0.98); } }

@media (max-width: 1120px) {
  .app-shell { grid-template-columns: 208px minmax(0, 1fr); }
  .creation-sidebar { padding-inline: 11px; }
  .library-view, .keyword-favorites-view, .create-view, .detail-view { width: calc(100% - 40px); }
  .keyword-favorite-group .keyword-group-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .detail-layout { display: block; }
  .idea-reader { width: min(100%, 780px); margin-inline: auto; }
  .detail-view { padding-bottom: 140px; }
  .detail-action-dock { position: fixed; right: 0; bottom: 0; left: 208px; z-index: 35; display: flex; justify-content: center; padding: 13px 24px 16px; border-top: 1px solid var(--line); background: rgba(255, 254, 249, 0.94); box-shadow: 0 -8px 24px rgba(27, 29, 30, 0.08); backdrop-filter: blur(8px); }
  .quick-modify-button { width: min(100%, 300px); min-height: 50px; display: inline-flex; border-color: var(--ink); background: var(--ink); color: #fff; box-shadow: 4px 4px 0 var(--cyan); font-size: 12px; }
  .quick-modify-button img { filter: invert(1); }
  .detail-tools { position: fixed; top: 68px; right: 0; bottom: 0; z-index: 42; width: 460px; max-height: none; margin: 0; border-radius: 0; transform: translateX(102%); transition: transform 180ms ease; }
  .detail-tools.open { transform: translateX(0); }
  .tool-close { display: grid; }
  .tool-scrim { position: fixed; inset: 68px 0 0 208px; z-index: 41; display: block; background: rgba(27, 29, 30, 0.28); }
  .history-list { grid-template-columns: 1fr; }
  body.generation-detail-active .quick-modify-button { visibility: hidden; }
  body.generation-detail-active .generation-status { bottom: 14px; }
  .toast { left: calc(50% + 104px); }
  .create-action-dock { left: 208px; }
}

@media (max-width: 900px) {
  .app-shell { grid-template-columns: 176px minmax(0, 1fr); }
  .creation-sidebar { padding-inline: 9px; }
  .library-view, .keyword-favorites-view, .create-view, .detail-view { width: calc(100% - 28px); }
  .keyword-favorite-group { grid-template-columns: 1fr; gap: 7px; }
  .keyword-favorite-group .keyword-source-heading { padding-top: 0; }
  .keyword-favorite-group .keyword-group-cards { grid-template-columns: 1fr; }
  .keyword-favorite-card { min-height: 68px; grid-template-columns: minmax(0, 1fr) 40px; padding: 9px 9px 9px 14px; }
  .keyword-favorite-remove { width: 40px; height: 40px; }
  .creation-grid { grid-template-columns: 1fr; }
  .direction-section { grid-template-columns: 1fr; gap: 16px; }
  .keyword-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .modify-tool-panel .keyword-list { grid-template-columns: 1fr; }
  .detail-toolbar { grid-template-columns: minmax(0, 1fr) auto; row-gap: 12px; }
  .detail-back-button { grid-column: 1; }
  .creation-identity { grid-column: 2; min-width: 0; text-align: right; }
  .creation-identity strong { max-width: 190px; }
  .detail-toolbar-actions { grid-column: 1 / -1; justify-self: start; flex-wrap: wrap; }
  .detail-tools { width: min(460px, calc(100vw - 176px)); }
  .tool-scrim { left: 176px; }
  .create-action-dock { left: 176px; }
  .detail-action-dock { left: 176px; }
  .toast { left: calc(50% + 88px); }
}

@media (max-height: 780px) {
  .topbar { height: 62px; }
  .app-shell { min-height: calc(100vh - 62px); }
  .creation-sidebar { top: 62px; height: calc(100vh - 62px); }
  .library-view, .keyword-favorites-view, .create-view, .detail-view { padding-top: 28px; }
  .create-intro h1 { font-size: 28px; }
  .setup-section, .edit-section { padding-block: 20px; }
  .detail-tools { top: 62px; }
  .tool-scrim { top: 62px; }
}

@media (max-width: 700px) {
  :root { --mobile-topbar-height: calc(60px + env(safe-area-inset-top)); }
  body.mobile-nav-open { overflow: hidden; }
  .topbar { position: sticky; z-index: 70; height: var(--mobile-topbar-height); gap: 8px; padding: env(safe-area-inset-top) 10px 0; }
  .topbar-brand-group { gap: 6px; }
  .mobile-menu-button { width: 44px; height: 44px; flex: 0 0 44px; display: grid; place-items: center; padding: 0; border: 1px solid var(--line); border-radius: 6px; background: var(--surface); font-size: 22px; line-height: 1; }
  .brand { min-width: 0; min-height: 44px; gap: 7px; }
  .brand-mark { width: 34px; height: 34px; flex: 0 0 34px; }
  .brand-mark img { width: 18px; }
  .brand strong { font-size: 16px; }
  .brand small { display: none; }
  .topbar-actions { min-width: 0; gap: 8px; }
  .playtest-feedback-button { min-height: 44px; max-width: 102px; padding: 4px 8px; line-height: 1.25; }
  .service-status { min-width: 12px; gap: 0; }
  .service-status span:last-child { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; }

  .app-shell { min-height: calc(100dvh - var(--mobile-topbar-height)); display: block; }
  .creation-sidebar { position: fixed; top: var(--mobile-topbar-height); bottom: 0; left: 0; z-index: 66; width: min(88vw, 340px); height: auto; padding: 0 12px calc(18px + env(safe-area-inset-bottom)); overflow-y: auto; overscroll-behavior: contain; border-right-color: var(--ink); box-shadow: 12px 0 28px rgba(27, 29, 30, 0.18); transform: translateX(-105%); transition: transform 180ms ease; }
  .creation-sidebar.open { transform: translateX(0); }
  .mobile-sidebar-header { position: sticky; top: 0; z-index: 2; min-height: 58px; display: flex; align-items: center; justify-content: space-between; padding: 0 4px 0 8px; border-bottom: 1px solid var(--line); background: var(--surface); }
  .mobile-sidebar-header strong { font-size: 14px; }
  .mobile-sidebar-header .icon-button { width: 44px; height: 44px; font-size: 24px; }
  .mobile-nav-scrim { position: fixed; inset: var(--mobile-topbar-height) 0 0; z-index: 65; display: block; background: rgba(27, 29, 30, 0.42); }
  .sidebar-primary { margin-top: 10px; }
  .nav-button { min-height: 48px; font-size: 12px; }
  .new-creation-button { min-height: 48px; font-size: 12px; }
  .sidebar-heading { margin-top: 24px; font-size: 10px; }
  .sidebar-creation { min-height: 62px; padding-block: 5px; }
  .sidebar-creation-open { min-height: 44px; }
  .sidebar-creation-open strong { font-size: 11px; }
  .sidebar-creation .creation-action-button { width: 44px; height: 44px; }

  .main-stage { min-height: calc(100dvh - var(--mobile-topbar-height)); }
  .library-view, .keyword-favorites-view, .create-view, .detail-view { width: calc(100% - 28px); padding: 26px 0 96px; }
  .create-view { padding-bottom: calc(104px + env(safe-area-inset-bottom)); }
  .page-header { align-items: stretch; flex-direction: column; gap: 16px; padding-bottom: 20px; }
  .page-header h1 { font-size: 26px; line-height: 1.25; }
  .page-header p { font-size: 11px; line-height: 1.6; }
  .page-header .primary-button { width: 100%; }
  .primary-button, .secondary-button, .icon-text-button { min-height: 44px; }
  .page-count { align-self: start; }
  .creation-grid { grid-template-columns: 1fr; gap: 10px; }
  .creation-card { min-height: 156px; }
  .creation-card-open { min-height: 112px; padding: 16px 14px 7px; }
  .creation-item-actions { padding-right: 7px; padding-bottom: 7px; }
  .creation-action-button { width: 44px; height: 44px; }
  .library-empty { min-height: 280px; }

  .keyword-favorites-grid { gap: 16px; }
  .keyword-favorite-card { min-height: 68px; }
  .keyword-favorite-remove { width: 44px; height: 44px; }

  .create-intro { padding-bottom: 24px; }
  .create-intro h1 { font-size: 27px; line-height: 1.28; }
  .create-intro p { font-size: 12px; line-height: 1.6; }
  .setup-section, .edit-section { padding: 22px 0; }
  .direction-section { grid-template-columns: 1fr; gap: 15px; }
  .section-heading { grid-template-columns: 31px minmax(0, 1fr); gap: 9px; }
  .section-number { width: 31px; height: 25px; }
  .section-heading h2 { font-size: 15px; }
  .section-heading p { font-size: 10px; line-height: 1.5; }
  .keyword-heading { grid-template-columns: 31px minmax(0, 1fr) 44px; }
  .clear-keywords-button { min-width: 44px; min-height: 44px; padding-inline: 7px; }
  .direction-options { grid-template-columns: 1fr 1fr; gap: 7px; }
  .direction-option { min-width: 0; min-height: 50px; padding-inline: 8px; }
  .draw-button { width: 100%; min-height: 52px; margin-left: 0; }
  .keyword-workbench-toolbar { margin: 14px 0 4px; }
  .keyword-list { min-height: 58px; margin: 15px 0 10px; grid-template-columns: 1fr; gap: 11px; }
  .create-keyword-list { margin-top: 0; gap: 10px; }
  .field-keyword-header { min-height: 44px; }
  .field-keyword-title { min-height: 44px; }
  .field-keyword-draw { width: 44px; height: 44px; flex-basis: 44px; }
  .field-keyword-draw span { width: 24px; height: 24px; }
  .keyword-source-draw { min-height: 44px; margin: -7px 0 -3px -6px; padding: 5px 7px; }
  .keyword-source-draw-plus { width: 24px; height: 24px; }
  .keyword-group-cards { width: 100%; }
  .active-keyword-group .keyword-group-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px; }
  .retained-keyword-group { grid-template-columns: 1fr; gap: 5px; }
  .retained-keyword-group .keyword-source-heading { padding-top: 0; }
  .field-keyword-group .keyword-group-empty-state { grid-column: 1 / -1; min-height: 34px; }
  .keyword-card { width: 100%; min-height: 82px; grid-template-columns: minmax(0, 1fr); grid-template-rows: auto auto auto; gap: 0; padding: 7px 2px 2px 9px; }
  .keyword-card > strong { align-self: end; font-size: 11px; }
  .keyword-card small { line-height: 1.25; }
  .keyword-actions { grid-column: 1; grid-row: 3; justify-content: flex-end; }
  .keyword-actions .icon-button { width: 44px; height: 44px; }
  .keyword-actions .icon-button img { width: 15px; }
  .keyword-empty { min-height: 58px; margin: -68px 0 10px; }
  .inline-form { margin-left: 0; grid-template-columns: minmax(0, 1fr) 48px; }
  .inline-form input { height: 48px; font-size: 16px; }
  .inline-form button { min-width: 48px; min-height: 48px; }
  .favorite-keywords { margin-left: 0; }
  .manual-keyword-section { margin: 16px 0 0; padding-top: 13px; }
  .manual-keyword-heading { align-items: flex-start; flex-direction: column; gap: 3px; }
  .favorite-add-group, .usage-group { grid-template-columns: 52px minmax(0, 1fr); }
  .favorite-add { min-height: 44px; padding: 7px 9px; text-align: left; }
  .idea-inputs label, .edit-section label { margin-left: 0; }
  .idea-inputs textarea, .edit-section textarea { width: 100%; margin-left: 0; padding: 12px; font-size: 16px; }
  .error-banner { margin-left: 0; }
  .error-banner button { min-height: 44px; }

  .create-action-dock { left: 0; padding: 10px 14px calc(10px + env(safe-area-inset-bottom)); }
  .create-action-dock .generate-button { width: 100%; min-height: 52px; }
  .mobile-keyboard-nearby .create-action-dock, .mobile-keyboard-nearby .detail-action-dock { display: none; }

  .detail-view { width: calc(100% - 28px); padding-bottom: calc(116px + env(safe-area-inset-bottom)); }
  .detail-toolbar { grid-template-columns: minmax(0, 1fr) auto; gap: 10px; padding-bottom: 16px; }
  .detail-back-button { min-height: 44px; grid-column: 1; text-align: left; }
  .creation-identity { grid-column: 2; min-width: 0; text-align: right; }
  .creation-identity strong { max-width: 132px; }
  .detail-toolbar-actions { grid-column: 1 / -1; width: 100%; display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
  .detail-toolbar-actions .icon-text-button { min-width: 0; min-height: 44px; padding-inline: 7px; }
  .detail-layout { display: block; }
  .idea-reader { width: 100%; margin-top: 28px; }
  .idea-header { grid-template-columns: minmax(0, 1fr) 44px; gap: 12px; padding-bottom: 22px; }
  .idea-header .icon-button { width: 44px; height: 44px; }
  .idea-header h1 { margin-top: 10px; font-size: 30px; line-height: 1.28; }
  .idea-header p { margin-top: 10px; font-size: 15px; line-height: 1.65; }
  .idea-sections { gap: 25px; padding: 28px 0; }
  .idea-section p { font-size: 16px; line-height: 1.85; }
  .usage-section, .inspiration-section { padding: 21px 0; }
  .minor-heading { align-items: flex-start; }
  .minor-heading span { text-align: right; }
  .usage-chip { line-height: 1.5; }
  .inspiration-section textarea { min-height: 112px; font-size: 16px; }
  .idea-actions { padding-top: 18px; }
  .idea-actions .secondary-button { width: 100%; min-height: 48px; }

  .detail-action-dock { left: 0; padding: 10px 14px calc(10px + env(safe-area-inset-bottom)); }
  .quick-modify-button { width: 100%; min-height: 52px; }
  .detail-tools { top: var(--mobile-topbar-height); width: 100vw; max-width: none; }
  .tool-scrim { inset: var(--mobile-topbar-height) 0 0; }
  .tool-header { padding: 8px 10px; }
  .tool-tabs button { min-height: 44px; font-size: 11px; }
  .tool-close { width: 44px; height: 44px; }
  .tool-panel { padding: 16px 14px calc(18px + env(safe-area-inset-bottom)); }
  .tool-section { padding: 18px 0; }
  .tool-section-heading h2 { font-size: 12px; }
  .tool-section-actions .clear-keywords-button { min-height: 44px; }
  .modify-tool-panel .direction-option { min-height: 48px; }
  .single-draw-fields { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px; }
  .single-draw-button { min-height: 44px; font-size: 10px; }
  .modify-tool-panel .keyword-list { grid-template-columns: 1fr; }
  .modify-tool-panel .active-keyword-group, .modify-tool-panel .favorite-add-group { grid-template-columns: 48px minmax(0, 1fr); }
  .modify-tool-panel .keyword-card { min-height: 48px; }
  .removed-keywords > header { min-height: 44px; }
  .removed-keywords > header button { min-height: 44px; }
  .removed-keyword-action { width: 44px; height: 44px; }
  .removed-keyword-item { min-height: 52px; }
  .tool-section textarea { min-height: 104px; font-size: 16px; }
  .modify-tool-panel > .generate-button { position: sticky; bottom: calc(10px + env(safe-area-inset-bottom)); z-index: 3; min-height: 50px; box-shadow: 0 -10px 18px 7px var(--surface), 4px 4px 0 var(--ink); }
  .mobile-keyboard-nearby .modify-tool-panel > .generate-button { position: static; box-shadow: 4px 4px 0 var(--ink); }
  .history-item { min-height: 72px; }

  .generation-status, .generation-notice { right: 10px; bottom: calc(82px + env(safe-area-inset-bottom)); width: calc(100% - 20px); min-height: 66px; padding: 10px; }
  body.generation-detail-active .generation-status { bottom: calc(8px + env(safe-area-inset-bottom)); }
  .generation-notice .primary-button { min-height: 44px; }
  .generation-notice .icon-button { width: 44px; height: 44px; flex-basis: 44px; }
  .toast { left: 50%; bottom: calc(82px + env(safe-area-inset-bottom)); width: max-content; max-width: calc(100% - 28px); text-align: center; }
  .mobile-keyboard-nearby .toast { bottom: 14px; }

  .playtest-dialog { width: calc(100% - 16px); max-height: calc(100dvh - 16px - env(safe-area-inset-top) - env(safe-area-inset-bottom)); }
  .playtest-dialog-shell { max-height: calc(100dvh - 16px - env(safe-area-inset-top) - env(safe-area-inset-bottom)); }
  .playtest-dialog-header { grid-template-columns: 40px minmax(0, 1fr) auto; gap: 10px; padding: 17px 14px 14px; }
  .playtest-dialog-mark { width: 40px; height: 40px; }
  .playtest-dialog-header h2 { font-size: 18px; }
  .dialog-close-button { width: 44px; height: 44px; }
  .playtest-dialog-body { padding: 16px 14px 0; }
  .privacy-summary div { grid-template-columns: 64px minmax(0, 1fr); gap: 10px; }
  .playtest-dialog-actions { gap: 7px; padding: 16px 14px calc(16px + env(safe-area-inset-bottom)); }
  .playtest-dialog-actions button { min-height: 44px; padding-inline: 8px; }
  .playtest-feedback-form { padding: 2px 14px calc(16px + env(safe-area-inset-bottom)); }
  .playtest-feedback-form fieldset { padding: 13px 0; }
  .playtest-feedback-form legend { line-height: 1.45; }
  .playtest-feedback-form textarea { min-height: 96px; font-size: 16px; }
  .reason-options { grid-template-columns: 1fr; gap: 6px; }
  .reason-options label > span, .rating-options label > span { min-height: 44px; }
  .playtest-feedback-form > .generate-button { min-height: 50px; bottom: env(safe-area-inset-bottom); }
  .playtest-feedback-success { padding: 30px 16px calc(24px + env(safe-area-inset-bottom)); }
  .playtest-feedback-success button { min-height: 44px; }

  .confirm-dialog { width: calc(100% - 20px); max-height: calc(100dvh - 20px); }
  .confirm-dialog-content { grid-template-columns: 42px minmax(0, 1fr); gap: 13px; padding: 20px 16px 16px; }
  .confirm-dialog-icon { width: 42px; height: 42px; }
  .confirm-dialog-copy h2 { font-size: 17px; }
  .confirm-dialog-actions { gap: 7px; }
  .confirm-dialog-actions button { min-height: 44px; padding-inline: 8px; }
}

/* W-0011: visual hierarchy and component system */
:root {
  --lime: #c7ea48;
  --danger: #eb6755;
  --font-helper: 11px;
  --font-field: 12px;
  --font-control: 13px;
  --font-section: 18px;
  --radius-control: 6px;
  --radius-panel: 8px;
}

.main-stage {
  background-image: linear-gradient(rgba(27, 29, 30, 0.022) 1px, transparent 1px), linear-gradient(90deg, rgba(27, 29, 30, 0.022) 1px, transparent 1px);
}
.detail-view { background: rgba(245, 243, 237, 0.82); }
.brand small, .playtest-feedback-button, .service-status { font-size: var(--font-field); }
.nav-button { min-height: 44px; grid-template-columns: 28px 1fr; font-size: var(--font-control); }
.nav-button > img { width: 18px; height: 18px; opacity: 0.78; }
.nav-button.active { box-shadow: inset 3px 0 0 var(--cyan); }
.sidebar-heading { font-size: var(--font-helper); }
.sidebar-creation-open strong { font-size: var(--font-field); }
.sidebar-creation-open small { font-size: var(--font-helper); }
.new-creation-button {
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--surface);
  font-size: var(--font-control);
  box-shadow: none;
}
.new-creation-button:hover { background: var(--cyan-soft); }
.new-creation-button img { width: 16px; height: 16px; padding: 4px; border: 1px solid var(--ink); border-radius: 4px; background: var(--yellow); box-sizing: content-box; }

.eyebrow, .page-count { font-size: var(--font-helper); }
.page-header p { font-size: var(--font-control); line-height: 1.6; }
.creation-card p, .creation-card footer { font-size: var(--font-field); }
.keyword-favorite-card span, .library-empty span { font-size: var(--font-helper); }
.keyword-favorite-remove { width: 40px; height: 40px; }
.create-intro p { font-size: var(--font-control); line-height: 1.6; }
.section-heading h2 { font-size: var(--font-section); }
.section-number, .section-heading p, .section-heading h2 em { font-size: var(--font-helper); }
.clear-keywords-button { min-height: 32px; font-size: var(--font-field); }
.direction-option { font-size: var(--font-control); }
.direction-option.active { border-color: var(--ink); background: var(--cyan-soft); box-shadow: inset 0 0 0 1px var(--ink); }
.draw-button { border-color: var(--line-strong); box-shadow: none; }
.draw-button:hover { border-color: var(--ink); background: var(--cyan-soft); box-shadow: none; transform: none; }
.draw-button strong { font-size: var(--font-control); }
.draw-button small { font-size: var(--font-helper); }
.field-keyword-title, .keyword-source-heading { font-size: var(--font-control); }
.field-keyword-count, .keyword-group-empty-state, .keyword-card small { font-size: var(--font-helper); }
.field-keyword-draw span { box-shadow: none; }
.field-keyword-draw:hover:not(:disabled) span { background: var(--cyan-soft); box-shadow: none; transform: none; }
.field-keyword-draw:active:not(:disabled) span { box-shadow: inset 0 0 0 1px var(--ink); transform: none; }
.keyword-card { min-height: 46px; border-color: var(--line-strong); box-shadow: none; }
.keyword-card > strong { font-size: var(--font-control); }
.keyword-actions .icon-button { width: 32px; height: 32px; }
.manual-keyword-heading strong { font-size: var(--font-control); }
.manual-keyword-heading span, .empty-copy { font-size: var(--font-helper); }
.favorite-add { min-height: 32px; font-size: var(--font-field); }
.idea-inputs label, .edit-section label { font-size: var(--font-field); }
.idea-inputs textarea, .edit-section textarea { font-size: 14px; }

.icon-button {
  width: 32px;
  height: 32px;
  border: 1px solid transparent;
  border-radius: var(--radius-control);
}
.icon-button.keyword-favorite-remove { width: 40px; height: 40px; }
.icon-button:hover { border-color: var(--line); background: var(--paper); }
.icon-button img, .icon-text-button img, .text-button img { width: 16px; height: 16px; }
.icon-button.active { border-color: transparent; background: transparent; }
.icon-text-button.active { border-color: var(--line); background: var(--surface); }
.keyword-favorite-remove.active { border-color: var(--line); background: var(--paper); }
.icon-button.active img, .icon-text-button.active img { opacity: 1; }
.creation-action-button[data-action="delete-creation"]:hover,
.keyword-actions [data-action="remove-keyword"]:hover,
.removed-keyword-discard:hover { border-color: var(--coral); background: var(--coral-soft); }
.removed-keyword-restore:hover { border-color: var(--cyan); background: var(--cyan-soft); }
.generate-button, .primary-button {
  border: 1px solid var(--ink);
  border-radius: var(--radius-control);
  background: var(--green);
  font-size: var(--font-control);
  font-weight: 900;
  box-shadow: 3px 3px 0 var(--ink);
}
.secondary-button, .icon-text-button {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-control);
  background: var(--surface);
  font-size: var(--font-control);
  box-shadow: none;
}
.text-button { min-height: 32px; gap: 6px; color: var(--muted); font-size: var(--font-field); }
.icon-text-button > img { flex: 0 0 16px; }

.detail-layout { grid-template-columns: minmax(0, 1fr) 368px; gap: 32px; }
.creation-identity span { font-size: var(--font-helper); }
.creation-identity strong { font-size: var(--font-control); }
.idea-header h1 { font-size: 36px; }
.idea-meta, .minor-heading span, .usage-chip { font-size: var(--font-helper); }
.idea-section h2, .minor-heading h2 { font-size: 14px; }
.idea-section p { font-size: 18px; line-height: 1.88; }
.inspiration-section textarea { font-size: 14px; }
.detail-tools { border-radius: var(--radius-panel); box-shadow: 0 10px 28px rgba(27, 29, 30, 0.08); }
.tool-tabs button { min-height: 38px; font-size: var(--font-field); }
.tool-tabs button.active { border: 1px solid var(--ink); background: var(--cyan-soft); color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); }
.tool-tabs button span, .tool-intro, .tool-section-heading span, .removed-keyword-heading small, .history-tool-heading p, .history-item span { font-size: var(--font-helper); }
.tool-section-heading h2, .tool-section-heading h2 em, .tool-section label, .removed-keywords > header strong, .removed-keyword-item strong { font-size: var(--font-field); }
.modify-tool-panel .direction-option, .single-draw-button, .removed-keywords > header button, .tool-section textarea, .history-item strong { font-size: var(--font-control); }
.single-draw-button { min-height: 36px; }
.removed-keyword-item { min-height: 46px; }
.removed-keyword-item small { font-size: var(--font-helper); }
.removed-keyword-action { width: 32px; height: 32px; }
.modify-tool-panel > .generate-button { font-size: var(--font-control); }
.generation-status strong, .generation-notice strong { font-size: var(--font-control); }
.generation-status span, .generation-notice span, .toast, .toast button { font-size: var(--font-helper); }
.playtest-dialog-body > p, .privacy-summary dd, .confirm-dialog-copy p, .playtest-feedback-success p { font-size: var(--font-field); }
.privacy-summary dt, .playtest-feedback-form legend, .reason-options label > span, .rating-options label > span, .dialog-error { font-size: var(--font-control); }
.playtest-feedback-form textarea { font-size: 14px; }
.rating-scale { font-size: var(--font-helper); }

@media (min-width: 701px) and (max-width: 1199px) {
  body.mobile-nav-open { overflow: hidden; }
  .topbar { padding-inline: 18px; }
  .mobile-menu-button { width: 44px; height: 44px; flex: 0 0 44px; display: grid; place-items: center; padding: 0; border: 1px solid var(--line); border-radius: var(--radius-control); background: var(--surface); }
  .mobile-menu-button img { width: 20px; height: 20px; }
  .app-shell { min-height: calc(100vh - 68px); display: block; }
  .creation-sidebar { position: fixed; top: 68px; bottom: 0; left: 0; z-index: 66; width: min(86vw, 340px); height: auto; padding: 0 12px 24px; overflow-y: auto; border-right-color: var(--ink); box-shadow: 12px 0 28px rgba(27, 29, 30, 0.18); transform: translateX(-105%); transition: transform 180ms ease; }
  .creation-sidebar.open { transform: translateX(0); }
  .mobile-sidebar-header { position: sticky; top: 0; z-index: 2; min-height: 60px; display: flex; align-items: center; justify-content: space-between; padding: 0 4px 0 8px; border-bottom: 1px solid var(--line); background: var(--surface); }
  .mobile-sidebar-header strong { font-size: 15px; }
  .mobile-sidebar-header .icon-button { width: 44px; height: 44px; }
  .mobile-nav-scrim { position: fixed; inset: 68px 0 0; z-index: 65; display: block; background: rgba(27, 29, 30, 0.36); }
  .sidebar-primary { margin-top: 10px; }
  .nav-button, .new-creation-button { min-height: 48px; }
  .sidebar-creation { min-height: 60px; }
  .sidebar-creation .creation-action-button { width: 40px; height: 40px; }
  .main-stage { min-height: calc(100vh - 68px); }
  .library-view, .keyword-favorites-view, .create-view, .detail-view { width: min(calc(100% - 40px), 960px); }
  .detail-layout { display: block; }
  .idea-reader { width: min(100%, 760px); margin-inline: auto; }
  .detail-view { padding-bottom: 140px; }
  .detail-action-dock { position: fixed; right: 0; bottom: 0; left: 0; z-index: 35; display: flex; justify-content: center; padding: 13px 24px 16px; border-top: 1px solid var(--line); background: rgba(255, 254, 249, 0.94); box-shadow: 0 -8px 24px rgba(27, 29, 30, 0.08); backdrop-filter: blur(8px); }
  .quick-modify-button { width: min(100%, 320px); min-height: 50px; display: inline-flex; border-color: var(--ink); background: var(--green); color: var(--ink); box-shadow: 3px 3px 0 var(--ink); font-size: var(--font-control); }
  .quick-modify-button img { filter: none; }
  .detail-tools { position: fixed; top: 68px; right: 0; bottom: 0; z-index: 42; width: min(460px, 100vw); max-height: none; margin: 0; border-radius: 0; transform: translateX(102%); transition: transform 180ms ease; }
  .detail-tools.open { transform: translateX(0); }
  .tool-close { display: grid; }
  .tool-scrim { position: fixed; inset: 68px 0 0; z-index: 41; display: block; background: rgba(27, 29, 30, 0.28); }
  .create-action-dock { left: 0; }
  .toast { left: 50%; }
}

@media (max-width: 700px) {
  .mobile-menu-button img { width: 20px; height: 20px; }
  .playtest-feedback-button { font-size: var(--font-helper); }
  .library-view, .keyword-favorites-view, .create-view, .detail-view { width: calc(100% - 28px); }
  .page-header p, .create-intro p { font-size: var(--font-field); }
  .section-heading h2 { font-size: 16px; }
  .section-heading p { font-size: var(--font-helper); }
  .direction-option, .draw-button strong, .clear-keywords-button { font-size: var(--font-control); }
  .create-keyword-list { gap: 5px; }
  .field-keyword-group { gap: 2px; padding: 4px 0 6px; }
  .field-keyword-group .keyword-group-empty-state { display: none; }
  .active-keyword-group .keyword-group-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .keyword-card { min-height: 72px; grid-template-columns: minmax(0, 1fr); grid-template-rows: auto auto 44px; gap: 0; padding: 6px 2px 2px 9px; }
  .keyword-card > strong { grid-column: 1; grid-row: 1; align-self: end; font-size: var(--font-control); }
  .keyword-card small { grid-column: 1; grid-row: 2; font-size: var(--font-helper); }
  .keyword-actions { grid-column: 1; grid-row: 3; align-items: center; justify-content: flex-end; }
  .keyword-actions .icon-button { width: 44px; height: 44px; }
  .creation-action-button, .keyword-favorite-remove, .icon-button.keyword-favorite-remove { width: 44px; height: 44px; }
  .favorite-add, .empty-copy, .manual-keyword-heading span { font-size: var(--font-helper); }
  .idea-header h1 { font-size: 29px; }
  .idea-section p { font-size: 17px; line-height: 1.85; }
  .idea-meta, .minor-heading span, .usage-chip { font-size: var(--font-helper); }
  .detail-view { padding-bottom: calc(128px + env(safe-area-inset-bottom)); }
  .idea-reader, .tool-panel { scroll-padding-bottom: calc(100px + env(safe-area-inset-bottom)); }
  .tool-tabs button, .tool-section-heading h2, .tool-section label, .single-draw-button, .removed-keyword-item strong, .history-item strong { font-size: var(--font-control); }
  .tool-intro, .tool-section-heading span, .removed-keyword-heading small, .removed-keyword-item small, .history-item span { font-size: var(--font-helper); }
  .tool-section textarea { font-size: 16px; }
  .removed-keyword-item { min-height: 58px; }
  .removed-keyword-action { width: 44px; height: 44px; }
  .generation-status span, .generation-notice span, .toast, .toast button { font-size: var(--font-helper); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
}