:root {
  --color-primary: #18181b;
  --color-on-primary: #ffffff;
  --color-accent: #2563eb;
  --color-accent-hover: #1d4ed8;
  --color-background: #f7f7f5;
  --color-surface: #ffffff;
  --color-surface-soft: #f0f1ef;
  --color-foreground: #111113;
  --color-secondary: #52525b;
  --color-tertiary: #7a7a83;
  --color-border: #e1e2df;
  --color-border-strong: #cfd1cc;
  --color-success: #16845b;
  --color-danger: #c9362b;
  --shadow-sm: 0 1px 2px rgb(24 24 27 / .04), 0 4px 14px rgb(24 24 27 / .035);
  --shadow-md: 0 20px 60px rgb(24 24 27 / .09);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --sidebar-width: 264px;
  --font-sans: Inter, "SF Pro Display", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-editorial: "Iowan Old Style", "Songti SC", STSong, Georgia, serif;
  color: var(--color-foreground);
  background: var(--color-background);
  font-family: var(--font-sans);
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { min-width: 320px; scroll-behavior: smooth; }
body { margin: 0; min-height: 100vh; background: var(--color-background); }
button, input, textarea, select { font: inherit; }
button, select { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .55; }
svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }
.hidden { display: none !important; }
.mobile-only { display: none !important; }
.skip-link { position: fixed; z-index: 200; top: 10px; left: 10px; transform: translateY(-150%); padding: 10px 14px; border-radius: 6px; background: var(--color-primary); color: white; text-decoration: none; }
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid rgb(37 99 235 / .32); outline-offset: 2px; }

.button { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; gap: 9px; border: 1px solid transparent; border-radius: var(--radius-sm); padding: 0 16px; font-size: 14px; font-weight: 650; transition: background-color .18s ease, border-color .18s ease, color .18s ease, box-shadow .18s ease; }
.button svg { width: 18px; height: 18px; }
.button-primary { background: var(--color-primary); color: var(--color-on-primary); box-shadow: 0 1px 1px rgb(0 0 0 / .08); }
.button-primary:hover { background: #303035; box-shadow: 0 5px 18px rgb(24 24 27 / .16); }
.button-secondary { background: var(--color-surface); color: var(--color-foreground); border-color: var(--color-border-strong); }
.button-secondary:hover, .button-quiet:hover { background: var(--color-surface-soft); }
.button-quiet { background: transparent; color: var(--color-secondary); border-color: transparent; }
.button-danger-quiet { color: var(--color-danger); background: transparent; }
.button-danger-quiet:hover { background: #fff0ee; }
.button-danger { background: var(--color-danger); color: white; }
.button-danger:hover { background: #a9362d; }
.button-block { width: 100%; }
.icon-button { flex: 0 0 auto; width: 44px; height: 44px; display: grid; place-items: center; border: 0; border-radius: var(--radius-sm); color: var(--color-secondary); background: transparent; transition: background-color .18s, color .18s; }
.icon-button:hover { background: var(--color-surface-soft); color: var(--color-primary); }
.icon-button.small { width: 36px; height: 36px; }
.icon-button.small svg { width: 17px; height: 17px; }
kbd { border: 1px solid var(--color-border-strong); border-bottom-width: 2px; border-radius: 5px; background: var(--color-surface); padding: 1px 5px; color: var(--color-tertiary); font: 10px var(--font-sans); }

.wordmark { display: inline-flex; align-items: center; gap: 12px; color: var(--color-primary); text-decoration: none; }
.wordmark-symbol { width: 40px; height: 40px; display: grid; place-items: center; background: var(--color-primary); border-radius: 10px; color: white; font: 600 21px var(--font-editorial); }
.wordmark strong { display: block; font: 700 20px/1.1 var(--font-editorial); letter-spacing: .1em; }
.wordmark small { display: block; margin-top: 3px; color: var(--color-tertiary); font-size: 8px; font-weight: 650; letter-spacing: .16em; }
.kicker { margin: 0 0 8px; color: var(--color-tertiary); font-size: 10px; font-weight: 700; letter-spacing: .2em; }

.login { min-height: 100vh; display: grid; grid-template-columns: minmax(380px, .95fr) minmax(500px, 1.05fr); background: var(--color-surface); }
.login-visual { position: relative; min-height: 100vh; overflow: hidden; background: #17191d; color: white; }
.visual-grid { position: absolute; inset: 0; opacity: .28; background-image: linear-gradient(rgb(255 255 255 / .13) 1px, transparent 1px), linear-gradient(90deg, rgb(255 255 255 / .13) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(135deg, black 5%, transparent 78%); }
.login-visual::after { content: ""; position: absolute; width: 52vw; height: 52vw; right: -28vw; bottom: -25vw; border: 1px solid rgb(255 255 255 / .3); border-radius: 50%; box-shadow: 0 0 0 80px rgb(255 255 255 / .025), 0 0 0 160px rgb(255 255 255 / .02); }
.visual-copy { position: absolute; inset: auto 7vw 9vh; z-index: 1; }
.visual-index { color: #a6b5ff; font-size: 11px; font-weight: 700; letter-spacing: .18em; }
.visual-copy p { margin: 28px 0 0; font: 500 clamp(42px, 5vw, 74px)/1.12 var(--font-editorial); letter-spacing: -.035em; }
.login-panel { display: grid; place-items: center; min-height: 100vh; padding: 48px; }
.login-card { width: min(420px, 100%); }
.login-copy { margin: clamp(70px, 10vh, 110px) 0 38px; }
.login-copy h1 { margin: 0 0 16px; font: 600 46px/1.12 var(--font-editorial); letter-spacing: -.025em; }
.login-copy > p:last-child { max-width: 360px; margin: 0; color: var(--color-secondary); font-size: 15px; line-height: 1.75; }
.login-form > label, .modal form > label, .share-box > label { display: block; margin: 0 0 9px; color: var(--color-secondary); font-size: 13px; font-weight: 650; }
.password-field { position: relative; }
.password-field input, .modal input, .modal textarea, .share-link input { width: 100%; border: 1px solid var(--color-border-strong); border-radius: var(--radius-sm); background: var(--color-surface); color: var(--color-foreground); padding: 13px 48px 13px 14px; outline: 0; transition: border-color .18s, box-shadow .18s; }
.password-field input { height: 50px; }
.password-field input:focus, .modal input:focus, .modal textarea:focus, .share-link input:focus { border-color: var(--color-accent); box-shadow: 0 0 0 3px rgb(37 99 235 / .12); }
.password-field .icon-button { position: absolute; right: 3px; top: 3px; }
.login-form .button { margin-top: 10px; }
.field-error { min-height: 20px; margin: 6px 0 0; color: var(--color-danger); font-size: 12px; }
.login-note { display: flex; align-items: center; gap: 8px; margin-top: 28px; color: var(--color-tertiary); font-size: 11px; }
.login-note span { width: 6px; height: 6px; border-radius: 50%; background: var(--color-success); box-shadow: 0 0 0 4px rgb(22 132 91 / .1); }

.app-shell { min-height: 100vh; }
.sidebar { position: fixed; z-index: 30; inset: 0 auto 0 0; width: var(--sidebar-width); display: flex; flex-direction: column; padding: 22px 16px 18px; background: #f0f1ee; border-right: 1px solid var(--color-border); }
.sidebar-head { display: flex; align-items: center; justify-content: space-between; padding: 0 8px 24px; }
.sidebar > .button { justify-content: flex-start; }
.sidebar > .button kbd { margin-left: auto; background: rgb(255 255 255 / .12); border-color: rgb(255 255 255 / .2); color: rgb(255 255 255 / .7); }
.sidebar-nav { margin-top: 28px; }
.nav-label { margin: 0 10px 8px; color: #8b8d88; font-size: 10px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.nav-item, .group-item { width: 100%; min-height: 44px; display: flex; align-items: center; gap: 11px; border: 0; border-radius: var(--radius-sm); background: transparent; color: #5b5d59; padding: 0 11px; text-align: left; font-size: 14px; transition: background-color .16s, color .16s; }
.nav-item svg { width: 18px; height: 18px; }
.nav-item:hover, .group-item:hover { background: rgb(255 255 255 / .7); color: var(--color-primary); }
.nav-item.active, .group-item.active { background: var(--color-surface); color: var(--color-primary); box-shadow: var(--shadow-sm); font-weight: 650; }
.count { margin-left: auto; min-width: 24px; padding: 2px 6px; border-radius: 999px; background: rgb(24 24 27 / .055); color: var(--color-tertiary); text-align: center; font-size: 10px; font-weight: 700; }
.collection-head { display: flex; align-items: center; justify-content: space-between; margin-top: 30px; }
.collection-head .nav-label { margin-bottom: 0; }
.groups { min-height: 40px; max-height: 32vh; overflow-y: auto; }
.group-row { position: relative; display: flex; align-items: center; min-width: 0; }
.group-row .group-item { min-width: 0; flex: 1; }
.group-row.has-shared .group-item { padding-right: 50px; }
.group-row-actions { position: absolute; z-index: 2; right: 3px; display: flex; align-items: center; border-radius: var(--radius-sm); transition: background-color .16s; }
.group-row:hover .group-row-actions, .group-row:focus-within .group-row-actions { background: #f0f1ee; }
.group-row .group-edit-button, .group-row .group-share-button, .group-row .group-revoke-button { width: 38px; height: 38px; opacity: 0; pointer-events: none; }
.group-row:hover .group-edit-button, .group-row:hover .group-share-button, .group-row:hover .group-revoke-button,
.group-row:focus-within .group-edit-button, .group-row:focus-within .group-share-button, .group-row:focus-within .group-revoke-button,
.group-share-button.is-shared { opacity: 1; pointer-events: auto; }
.group-item::before { content: ""; flex: 0 0 auto; width: 8px; height: 8px; border-radius: 3px; background: #aeb6d6; }
.group-row:nth-child(3n+2) .group-item::before { background: #c6a87d; }
.group-row:nth-child(3n+3) .group-item::before { background: #8eb6a0; }
.group-share-button.is-shared { color: var(--color-accent); }
.group-revoke-button { color: var(--color-danger); }
.sidebar-foot { display: grid; gap: 8px; margin-top: auto; padding-top: 12px; border-top: 1px solid var(--color-border-strong); }
.sidebar-tool-link { justify-content: flex-start; }
.sidebar-account { min-width: 0; display: flex; align-items: center; gap: 8px; padding: 0 2px; }
.admin-chip { min-width: 0; flex: 1; display: flex; align-items: center; gap: 10px; }
.avatar { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%; background: #dcded9; color: var(--color-secondary); font: 600 14px var(--font-editorial); }
.admin-chip strong, .admin-chip small { display: block; }
.admin-chip strong { font-size: 12px; }
.admin-chip small { margin-top: 2px; color: var(--color-tertiary); font-size: 9px; }

.workspace { min-height: 100vh; margin-left: var(--sidebar-width); }
.topbar { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; padding: 52px clamp(28px, 5vw, 76px) 30px; }
.page-heading h1 { margin: 0; font: 600 clamp(36px, 4.2vw, 58px)/1.08 var(--font-editorial); letter-spacing: -.035em; }
.page-heading > p:last-child { margin: 12px 0 0; color: var(--color-secondary); font-size: 14px; }
.top-actions { display: flex; align-items: center; gap: 10px; }
.search { width: min(320px, 25vw); height: 44px; display: flex; align-items: center; gap: 9px; border: 1px solid var(--color-border); border-radius: var(--radius-sm); background: var(--color-surface); padding: 0 10px 0 13px; transition: border-color .18s, box-shadow .18s; }
.search:focus-within { border-color: var(--color-accent); box-shadow: 0 0 0 3px rgb(37 99 235 / .1); }
.search svg { width: 17px; height: 17px; color: var(--color-tertiary); }
.search input { min-width: 0; flex: 1; border: 0; outline: 0; background: transparent; color: var(--color-foreground); font-size: 13px; }
.library { position: relative; padding: 0 clamp(28px, 5vw, 76px) 80px; }
.library-loading { position: absolute; z-index: 30; inset: 0; min-height: 260px; display: flex; align-items: flex-start; justify-content: center; gap: 10px; background: rgb(247 247 245 / .82); color: var(--color-secondary); padding-top: 90px; font-size: 13px; backdrop-filter: blur(3px); }
.library-loading.hidden { display: none; }
.network-progress { position: fixed; z-index: 5000; top: 0; left: 0; width: 0; height: 3px; background: var(--color-accent); opacity: 0; box-shadow: 0 0 10px rgb(37 99 235 / .45); transition: width .25s ease, opacity .18s ease; }
.network-progress.active { width: 72%; opacity: 1; animation: network-progress 1.3s ease-in-out infinite alternate; }
.loading-spinner { width: 15px; height: 15px; flex: 0 0 auto; display: inline-block; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: spin .75s linear infinite; }
.button.is-loading, .toolbar-upload.is-loading { cursor: wait; }
.button:disabled, .icon-button:disabled { cursor: wait; opacity: .55; }
.stats-grid { display: grid; grid-template-columns: 1.3fr .75fr .75fr 1.2fr; gap: 12px; margin-bottom: 44px; }
.stat-card { min-height: 142px; display: flex; flex-direction: column; justify-content: space-between; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-surface); padding: 20px; box-shadow: var(--shadow-sm); }
.stat-card > p, .stat-card div > p { margin: 0; color: var(--color-tertiary); font-size: 11px; font-weight: 650; letter-spacing: .08em; }
.stat-card strong { font: 600 38px/1 var(--font-editorial); }
.stat-card span { color: var(--color-tertiary); font-size: 11px; }
.stat-featured { flex-direction: row; background: var(--color-primary); color: white; border-color: var(--color-primary); }
.stat-featured > div { display: flex; flex-direction: column; justify-content: space-between; }
.stat-featured div > p, .stat-featured span { color: rgb(255 255 255 / .62); }
.stat-featured svg { align-self: center; width: 66px; height: 66px; color: rgb(255 255 255 / .38); stroke-width: 1; }
.stat-quote { background: #e9edf9; border-color: #dfe4f3; }
.stat-quote blockquote { margin: 14px 0 0; font: 500 16px/1.55 var(--font-editorial); }
.section-head { display: flex; justify-content: space-between; align-items: end; margin-bottom: 16px; }
.section-head h2 { margin: 0; font-size: 18px; }
.section-head p { margin: 6px 0 0; color: var(--color-tertiary); font-size: 11px; }
.sort-select { position: relative; width: 150px; }
.sort-select > button { width: 100%; height: 42px; display: grid; grid-template-columns: 18px 1fr 16px; align-items: center; gap: 8px; border: 1px solid var(--color-border); border-radius: 10px; background: var(--color-surface); color: var(--color-secondary); padding: 0 11px; box-shadow: 0 1px 2px rgb(24 24 27 / .03); font-size: 12px; text-align: left; cursor: pointer; transition: border-color .18s, box-shadow .18s, background-color .18s; }
.sort-select > button:hover { border-color: var(--color-border-strong); background: #fff; }
.sort-select > button:focus-visible { outline: 0; border-color: var(--color-accent); box-shadow: 0 0 0 3px rgb(37 99 235 / .12); }
.sort-select > button svg { width: 16px; height: 16px; color: var(--color-tertiary); }
.sort-select .select-chevron { transition: transform .18s; }
.sort-select.open .select-chevron { transform: rotate(180deg); }
.sort-select-menu { position: absolute; z-index: 70; top: calc(100% + 8px); right: 0; width: 100%; border: 1px solid var(--color-border); border-radius: 12px; background: var(--color-surface); padding: 6px; box-shadow: 0 18px 48px rgb(24 24 27 / .14); }
.sort-select-option { width: 100%; min-height: 38px; display: flex; align-items: center; justify-content: space-between; border: 0; border-radius: 7px; background: transparent; color: var(--color-secondary); padding: 8px 10px; text-align: left; font-size: 12px; cursor: pointer; }
.sort-select-option:hover, .sort-select-option:focus-visible { background: var(--color-surface-soft); color: var(--color-primary); outline: 0; }
.sort-select-option.selected { background: #eff4ff; color: var(--color-accent); font-weight: 650; }
.sort-select-option.selected::after { content: "✓"; }
.doc-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.doc-card { position: relative; min-height: 250px; display: flex; flex-direction: column; overflow: hidden; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-surface); padding: 22px; box-shadow: var(--shadow-sm); cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.doc-card:hover { transform: translateY(-2px); border-color: var(--color-border-strong); box-shadow: 0 14px 34px rgb(24 24 27 / .08); }
.doc-card:focus-visible { outline: 3px solid rgb(37 99 235 / .25); }
.card-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.card-collection { display: inline-flex; align-items: center; gap: 7px; color: var(--color-secondary); font-size: 10px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.card-collection::before { content: ""; width: 7px; height: 7px; border-radius: 2px; background: #839ce0; }
.status-pill { display: inline-flex; align-items: center; gap: 5px; border-radius: 999px; padding: 5px 8px; background: #eff8f4; color: var(--color-success); font-size: 9px; font-weight: 700; }
.status-pill.draft { background: #f2f2f0; color: var(--color-tertiary); }
.status-pill::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: currentColor; }
.doc-card h3 { margin: 32px 0 12px; font: 600 23px/1.3 var(--font-editorial); letter-spacing: -.015em; }
.doc-card > p { display: -webkit-box; overflow: hidden; margin: 0; color: var(--color-secondary); font-size: 13px; line-height: 1.7; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.doc-card footer { display: flex; align-items: center; justify-content: space-between; margin-top: auto; padding-top: 18px; border-top: 1px solid var(--color-border); color: var(--color-tertiary); font-size: 10px; }
.card-open { display: inline-flex; align-items: center; gap: 4px; color: var(--color-primary); font-weight: 650; }
.card-open svg { width: 13px; height: 13px; transition: transform .18s; }
.doc-card:hover .card-open svg { transform: translateX(2px); }
.empty { padding: 10vh 20px; text-align: center; }
.empty-illustration { width: 112px; height: 96px; display: grid; place-items: center; margin: 0 auto 26px; border-radius: 28px; background: #e9edf9; }
.empty-illustration svg { width: 72px; height: 60px; color: #7181b3; stroke-width: 1.3; }
.empty h2 { margin: 0; font: 600 26px var(--font-editorial); }
.empty p { margin: 12px auto 22px; color: var(--color-secondary); font-size: 13px; }

.editor-view { min-height: 100vh; }
.editor-topbar { position: sticky; z-index: 20; top: 0; min-height: 68px; display: flex; align-items: center; gap: 16px; border-bottom: 1px solid var(--color-border); background: rgb(247 247 245 / .9); padding: 10px clamp(20px, 4vw, 56px); backdrop-filter: blur(16px); }
.save-state { display: inline-flex; align-items: center; gap: 8px; color: var(--color-tertiary); font-size: 11px; }
.save-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--color-success); }
.save-state.saving .save-dot { background: #d08c26; animation: pulse 1s infinite; }
.save-state.unsaved .save-dot { background: var(--color-danger); }
.editor-actions { display: flex; align-items: center; gap: 7px; margin-left: auto; }
.editor-actions .button { height: 42px; border-radius: 9px; padding-inline: 14px; }
.editor-actions .button svg { width: 16px; height: 16px; }
.editor-actions .editor-delete { margin-right: 5px; border-right: 1px solid var(--color-border-strong); border-radius: 0; padding-right: 17px; }
.editor-actions .editor-save { border-color: var(--color-border-strong); background: var(--color-surface); color: var(--color-primary); }
.editor-actions .editor-save:hover { background: var(--color-surface-soft); }
.editor-actions .editor-revoke { border: 1px solid #efc8c4; background: #fff7f6; color: var(--color-danger); }
.editor-actions .editor-revoke:hover { border-color: #d9aaa5; background: #fff0ee; }
.editor-actions .editor-share { min-width: 150px; box-shadow: 0 5px 14px rgb(24 24 27 / .12); }
.editor-actions .editor-share:hover { box-shadow: 0 7px 18px rgb(24 24 27 / .17); }
.editor-layout { width: min(1180px, calc(100% - 48px)); display: grid; grid-template-columns: minmax(0, 820px) 230px; align-items: start; gap: 34px; margin: 40px auto 100px; }
.editor-paper { min-height: calc(100vh - 150px); border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--color-surface); padding: clamp(32px, 6vw, 72px); box-shadow: var(--shadow-sm); }
.editor-meta { display: flex; align-items: end; justify-content: space-between; gap: 15px; }
.group-select-label > span:first-child { display: block; margin-bottom: 7px; color: var(--color-tertiary); font-size: 9px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.group-select { position: relative; width: 220px; height: 42px; display: flex; align-items: center; border: 1px solid var(--color-border); border-radius: 10px; background: var(--color-surface); box-shadow: 0 1px 2px rgb(24 24 27 / .03); transition: border-color .18s, box-shadow .18s; }
.group-select:focus-within { border-color: var(--color-accent); box-shadow: 0 0 0 3px rgb(37 99 235 / .1); }
.group-select > svg:first-child { position: absolute; left: 12px; width: 17px; height: 17px; color: var(--color-tertiary); pointer-events: none; }
.group-select > button { width: 100%; height: 100%; border: 0; outline: 0; background: transparent; color: var(--color-foreground); padding: 0 38px; overflow: hidden; text-align: left; text-overflow: ellipsis; white-space: nowrap; font-size: 13px; font-weight: 600; cursor: pointer; }
.group-select .select-chevron { position: absolute; right: 11px; width: 16px; height: 16px; color: var(--color-tertiary); pointer-events: none; }
.group-select.open .select-chevron { transform: rotate(180deg); }
.group-select-menu { position: absolute; z-index: 80; top: calc(100% + 8px); left: 0; width: 100%; max-height: 260px; overflow: auto; border: 1px solid var(--color-border); border-radius: 12px; background: var(--color-surface); padding: 6px; box-shadow: 0 18px 48px rgb(24 24 27 / .14); }
.group-select-option { width: 100%; min-height: 38px; display: flex; align-items: center; justify-content: space-between; border: 0; border-radius: 7px; background: transparent; padding: 8px 10px; color: var(--color-secondary); text-align: left; font-size: 13px; cursor: pointer; }
.group-select-option:hover, .group-select-option:focus-visible { background: var(--color-surface-soft); color: var(--color-primary); outline: 0; }
.group-select-option.selected { background: #eff4ff; color: var(--color-accent); font-weight: 650; }
.group-select-option.selected::after { content: "✓"; }
.status-badge { display: inline-flex; align-items: center; gap: 7px; border-radius: 999px; background: #eff8f4; color: var(--color-success); padding: 7px 10px; font-size: 10px; font-weight: 700; }
.status-badge span { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.status-badge.draft { background: var(--color-surface-soft); color: var(--color-tertiary); }
.title-input { width: 100%; display: block; margin: 34px 0 14px; border: 0; outline: 0; background: transparent; color: var(--color-foreground); font: 600 clamp(34px, 4.2vw, 52px)/1.18 var(--font-editorial); letter-spacing: -.035em; }
#docSummary { width: 100%; display: block; resize: none; overflow: hidden; border: 0; outline: 0; background: transparent; color: var(--color-secondary); font-size: 16px; line-height: 1.7; }
.formatbar { position: sticky; z-index: 5; top: 80px; display: flex; align-items: center; gap: 3px; margin: 28px 0 0; border: 1px solid var(--color-border); border-radius: 10px; background: rgb(255 255 255 / .96); padding: 5px; box-shadow: var(--shadow-sm); backdrop-filter: blur(8px); }
.formatbar button, .toolbar-upload { min-width: 38px; height: 36px; display: inline-flex; align-items: center; justify-content: center; gap: 6px; border: 0; border-radius: 6px; background: transparent; color: var(--color-secondary); padding: 0 9px; font-size: 12px; transition: background-color .15s, color .15s; }
.formatbar button:hover, .toolbar-upload:hover { background: var(--color-surface-soft); color: var(--color-primary); }
.formatbar button.is-active { background: var(--color-primary); color: white; }
.formatbar button.is-active:hover { background: #2c2c30; color: white; }
.formatbar svg { width: 17px; height: 17px; }
.toolbar-divider { width: 1px; height: 22px; margin: 0 3px; background: var(--color-border); }
.editor { min-height: 420px; padding: 38px 2px; outline: 0; color: #26262a; font: 17px/1.9 var(--font-editorial); }
.editor:empty::before { content: attr(data-placeholder); color: #a6a6ad; pointer-events: none; }
.editor h1 { margin: 1.7em 0 .65em; font-size: 38px; line-height: 1.2; }
.editor h2 { margin: 2em 0 .7em; font-size: 30px; line-height: 1.3; }
.editor h3 { margin: 1.8em 0 .6em; font-size: 23px; }
.editor p { margin: 1em 0; }
.editor strong, .editor b { font-family: var(--font-sans); font-weight: 750 !important; }
.editor em, .editor i, .editor [style*="font-style: italic"] {
  display: inline-block;
  font-family: var(--font-sans);
  font-style: oblique 12deg !important;
  font-synthesis: style;
  transform: skewX(-10deg);
  transform-origin: center bottom;
}
.editor strong em, .editor strong i, .editor b em, .editor b i { font-weight: 750 !important; font-style: oblique 12deg !important; }
.editor blockquote { margin: 1.6em 0; border-left: 3px solid var(--color-accent); background: #f5f7fd; padding: 15px 20px; color: var(--color-secondary); }
.editor a { color: var(--color-accent); text-underline-offset: 3px; }
.editor img { display: block; max-width: 100%; height: auto; margin: 28px auto; border-radius: 10px; }
.editor img.image-load-error { width: 100%; min-height: 140px; border: 1px dashed var(--color-border-strong); background: #f3f4f1; object-fit: contain; }
.image-frame { position: relative; max-width: 100%; display: block; resize: horizontal; overflow: hidden; margin: 28px auto; border: 2px solid transparent; border-radius: 12px; cursor: grab; user-select: none; transition: border-color .15s, box-shadow .15s, opacity .15s; }
.image-frame:hover { border-color: var(--color-border-strong); }
.image-frame.selected { border-color: var(--color-accent); box-shadow: 0 0 0 3px rgb(37 99 235 / .12); }
.image-frame.selected::after { content: ""; position: absolute; right: 2px; bottom: 2px; width: 12px; height: 12px; border: 2px solid white; border-radius: 3px; background: var(--color-accent); box-shadow: 0 1px 4px rgb(24 24 27 / .25); pointer-events: none; }
.image-frame.dragging { opacity: .45; cursor: grabbing; }
.image-frame img { width: 100%; max-width: none; height: auto; margin: 0; pointer-events: none; }
.image-import-failed { display: block; margin: 24px 0; border: 1px dashed #d9aaa5; border-radius: 10px; background: #fff5f3; color: var(--color-danger); padding: 24px; text-align: center; font: 12px/1.6 var(--font-sans); }
.editor pre { overflow: auto; border-radius: 10px; background: #f3f4f1; padding: 18px; font: 14px/1.7 "SFMono-Regular", Consolas, monospace; }
.editor code { border-radius: 4px; background: #f3f4f1; padding: .15em .35em; font: 14px "SFMono-Regular", Consolas, monospace; }
.editor pre code { background: transparent; padding: 0; }
.editor-foot { display: flex; flex-wrap: wrap; gap: 9px 18px; padding-top: 16px; border-top: 1px solid var(--color-border); color: var(--color-tertiary); font-size: 10px; }
.editor-foot span:last-child { margin-left: auto; }
.editor-help { position: sticky; top: 108px; padding: 20px 0; }
.editor-help h2 { margin: 0; font: 600 22px/1.35 var(--font-editorial); }
.editor-help ol { list-style: none; margin: 25px 0; padding: 0; }
.editor-help li { display: flex; gap: 12px; padding: 14px 0; border-top: 1px solid var(--color-border); }
.editor-help li > span { color: var(--color-accent); font-size: 9px; font-weight: 700; }
.editor-help li p { margin: 0; color: var(--color-secondary); font-size: 11px; line-height: 1.6; }
.editor-help li strong { display: block; margin-bottom: 3px; color: var(--color-primary); font-size: 12px; }
.shortcut-tip { color: var(--color-tertiary); font-size: 10px; }

.modal { max-width: none; border: 0; border-radius: var(--radius-lg); padding: 0; background: transparent; box-shadow: var(--shadow-md); }
.modal::backdrop { background: rgb(17 17 19 / .5); backdrop-filter: blur(4px); }
.modal-layered { z-index: 1000; }
.modal form, .share-box { width: min(470px, calc(100vw - 32px)); border-radius: var(--radius-lg); background: var(--color-surface); padding: 30px; }
.modal-head { display: flex; align-items: start; justify-content: space-between; margin-bottom: 25px; }
.modal h2 { margin: 0; font: 600 28px var(--font-editorial); }
.modal form > input, .modal form > textarea { margin-bottom: 18px; padding: 12px 14px; }
.modal form > textarea { resize: vertical; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 8px; }
.modal-actions-spacer { flex: 1; }
.share-box { text-align: center; }
.share-success { width: 54px; height: 54px; display: grid; place-items: center; margin: 0 auto 20px; border-radius: 50%; background: #e7f6ef; color: var(--color-success); }
.share-success svg { width: 26px; height: 26px; stroke-width: 2; }
.share-box > p:not(.kicker) { color: var(--color-secondary); font-size: 13px; }
.share-box > label { margin-top: 24px; text-align: left; }
.share-link { display: flex; gap: 7px; margin-bottom: 18px; }
.share-link input { min-width: 0; padding: 12px; font-size: 11px; }
.group-share-box { text-align: left; }
.group-share-box .modal-head { margin-bottom: 20px; }
.share-status { display: flex; align-items: center; gap: 9px; border-radius: 9px; background: var(--color-surface-soft); padding: 12px 14px; color: var(--color-secondary); font-size: 12px; }
.share-status span { width: 7px; height: 7px; border-radius: 50%; background: var(--color-tertiary); }
.share-status.shared { background: #eff8f4; color: var(--color-success); }
.share-status.shared span { background: var(--color-success); box-shadow: 0 0 0 4px rgb(22 132 91 / .1); }
.group-share-actions { display: flex; align-items: center; justify-content: flex-end; gap: 8px; }
.share-dialog-actions { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.modal-message { margin: 20px 0; color: var(--color-secondary); font-size: 13px; line-height: 1.7; }
.toast { position: fixed; z-index: 3000; inset: 20px auto auto 50%; width: max-content; max-width: min(420px, calc(100vw - 32px)); margin: 0; border: 0; transform: translate(-50%, -90px); border-radius: 9px; background: #242428; color: white; padding: 12px 17px; box-shadow: var(--shadow-md); opacity: 0; font-size: 13px; transition: transform .22s ease, opacity .22s ease; }
.toast::backdrop { background: transparent; }
.toast.show { transform: translate(-50%, 0); opacity: 1; }
@keyframes pulse { 50% { opacity: .35; } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes network-progress { from { width: 35%; } to { width: 82%; } }

@media (max-width: 1120px) {
  .stats-grid { grid-template-columns: 1.2fr .8fr .8fr; }
  .stat-quote { display: none; }
  .doc-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .editor-layout { grid-template-columns: minmax(0, 1fr); }
  .editor-help { display: none; }
}

@media (max-width: 800px) {
  .mobile-only { display: grid !important; }
  .sidebar { transform: translateX(-105%); transition: transform .22s ease; box-shadow: var(--shadow-md); }
  .sidebar.open { transform: translateX(0); }
  .sidebar-scrim { position: fixed; z-index: 25; inset: 0; display: block !important; background: rgb(17 17 19 / .4); }
  .sidebar-scrim.hidden { display: none !important; }
  .workspace { margin-left: 0; }
  .topbar { align-items: flex-start; padding: 22px 20px 24px; }
  .topbar > .mobile-only { margin-right: 4px; }
  .page-heading { flex: 1; padding-top: 5px; }
  .page-heading .kicker, .page-heading > p:last-child { display: none; }
  .page-heading h1 { font-size: 34px; }
  .top-actions .search { position: absolute; top: 88px; left: 20px; width: calc(100% - 40px); }
  .top-actions #newDocTop { display: none; }
  .library { padding: 65px 20px 60px; }
  .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat-featured { grid-column: span 2; }
  .doc-grid { grid-template-columns: 1fr; }
  .editor-topbar { padding: 8px 12px; }
  .editor-topbar #back span, .editor-actions .button span { display: none; }
  .editor-topbar #back { width: 44px; padding: 0; }
  .editor-actions { gap: 4px; }
  .editor-actions .button { padding: 0 12px; }
  .editor-layout { width: 100%; margin: 0; }
  .editor-paper { min-height: calc(100vh - 68px); border: 0; border-radius: 0; padding: 30px 20px 70px; }
  .formatbar { top: 78px; max-width: calc(100vw - 40px); overflow-x: auto; scrollbar-width: none; }
  .formatbar::-webkit-scrollbar { display: none; }
  .title-input { font-size: 40px; }
}

@media (max-width: 620px) {
  .login { display: block; background: var(--color-surface); }
  .login-visual { min-height: 220px; }
  .login-visual::after { width: 90vw; height: 90vw; right: -45vw; bottom: -60vw; }
  .visual-copy { inset: auto 24px 28px; }
  .visual-copy p { margin-top: 14px; font-size: 35px; }
  .login-panel { min-height: auto; display: block; padding: 32px 24px 50px; }
  .login-copy { margin: 48px 0 28px; }
  .login-copy h1 { font-size: 38px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-card { min-height: 125px; }
  .stat-featured { grid-column: span 2; }
  .section-head { align-items: center; }
  .share-link { display: block; }
  .share-link .button { width: 100%; margin-top: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}