:root {
  color-scheme: light dark;
  --bg: #f3f6fb;
  --surface: #ffffff;
  --surface-soft: #f7f9fc;
  --surface-hover: #eef3fa;
  --ink: #172033;
  --muted: #667085;
  --faint: #98a2b3;
  --border: #dfe6ef;
  --border-strong: #ccd6e3;
  --accent: #5269d9;
  --accent-hover: #4057c4;
  --accent-soft: #edf0ff;
  --accent-ink: #3346a4;
  --danger: #c43c52;
  --danger-soft: #fff0f2;
  --success: #167b5d;
  --warning: #a65e14;
  --shadow: 0 18px 48px rgba(25, 39, 67, .10), 0 2px 8px rgba(25, 39, 67, .05);
  --shadow-soft: 0 8px 24px rgba(25, 39, 67, .08);
  --radius: 16px;
  --radius-sm: 11px;
  --sidebar: 286px;
  --topbar: 68px;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font-size: 16px; line-height: 1.5; }
button, input, textarea, select { font: inherit; }
button { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.hidden { display: none !important; }
.mobile-only { display: none !important; }

.login-screen {
  min-height: 100%; display: grid; place-items: center; padding: max(24px, env(safe-area-inset-top)) 20px max(24px, env(safe-area-inset-bottom));
  background:
    radial-gradient(circle at 18% 12%, rgba(82,105,217,.13), transparent 30rem),
    radial-gradient(circle at 86% 84%, rgba(53,172,153,.10), transparent 26rem), var(--bg);
}
.login-card { width: min(100%, 430px); background: color-mix(in srgb, var(--surface) 94%, transparent); border: 1px solid rgba(255,255,255,.8); border-radius: 24px; padding: 40px; box-shadow: var(--shadow); backdrop-filter: blur(18px); }
.brand-mark { width: 52px; height: 52px; display: grid; place-items: center; color: white; background: linear-gradient(145deg,#6578e4,#4056c8); border-radius: 17px 17px 17px 6px; box-shadow: 0 10px 20px rgba(82,105,217,.24); font-weight: 800; font-size: 1.3rem; }
.brand-mark-small { width: 38px; height: 38px; border-radius: 12px 12px 12px 5px; font-size: 1rem; box-shadow: none; flex: 0 0 auto; }
.eyebrow { margin: 22px 0 7px; color: var(--accent); font-weight: 750; letter-spacing: .14em; font-size: .72rem; }
.login-card h1 { margin: 0; font-size: clamp(1.85rem, 7vw, 2.35rem); line-height: 1.1; letter-spacing: -.045em; }
.login-intro { color: var(--muted); margin: 12px 0 28px; }
.login-footnote { margin: 24px 0 0; color: var(--faint); font-size: .78rem; text-align: center; }
.form-stack { display: grid; gap: 17px; }
.field { display: grid; gap: 7px; font-size: .88rem; font-weight: 650; color: #344054; }
.field small { color: var(--faint); font-weight: 500; }
.field input, .field textarea, .field select, .input {
  width: 100%; min-height: 46px; border: 1px solid var(--border-strong); border-radius: var(--radius-sm); padding: 10px 13px; background: var(--surface); color: var(--ink); outline: none; transition: border-color .16s, box-shadow .16s;
}
.field input:focus, .field textarea:focus, .field select:focus, .input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(82,105,217,.14); }
.password-wrap { position: relative; display: block; }
.password-wrap input { padding-right: 48px; }
.password-toggle { position: absolute; right: 5px; top: 5px; }
.button, .icon-button, .text-button { border: 0; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; gap: 8px; }
.button { min-height: 40px; padding: 8px 14px; border-radius: 10px; font-weight: 700; font-size: .9rem; transition: transform .12s, background .15s, border-color .15s; white-space: nowrap; }
.button:active { transform: translateY(1px); }
.button-primary { background: var(--accent); color: #fff; box-shadow: 0 5px 12px rgba(82,105,217,.18); }
.button-primary:hover { background: var(--accent-hover); }
.button-large { min-height: 50px; margin-top: 3px; }
.button-quiet { background: var(--surface); border: 1px solid var(--border); color: #344054; }
.button-quiet:hover { background: var(--surface-hover); }
.button-danger { color: #fff; background: var(--danger); }
.button-danger-soft { color: var(--danger); background: var(--danger-soft); }
.icon-button { width: 38px; height: 38px; padding: 0; border-radius: 10px; background: transparent; }
.icon-button:hover { background: var(--surface-hover); }
.text-button { background: transparent; color: var(--accent); font-weight: 700; padding: 8px; }
.setup-link { width: 100%; margin-top: 15px; }
.setup-panel { margin-top: 4px; }
.section-heading { display: flex; align-items: center; justify-content: space-between; }
.section-heading .eyebrow { margin: 0 0 2px; }
.section-heading h2 { margin: 0; font-size: 1.25rem; }
.notice { padding: 11px 13px; border-radius: 10px; margin: 0 0 18px; font-size: .88rem; }
.notice-error { color: #97283b; background: var(--danger-soft); border: 1px solid #ffd2d9; }

.app-shell { min-height: 100dvh; display: grid; grid-template-columns: var(--sidebar) minmax(0, 1fr); }
.sidebar { height: 100dvh; position: sticky; top: 0; padding: 19px 14px max(14px, env(safe-area-inset-bottom)); border-right: 1px solid var(--border); background: #f8faff; display: flex; flex-direction: column; overflow: hidden; }
.sidebar-brand { display: flex; align-items: center; gap: 11px; padding: 0 5px 17px; }
.wiki-identity { min-width: 0; display: grid; line-height: 1.25; }
.wiki-identity strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; letter-spacing: -.015em; }
.wiki-identity span { color: var(--muted); font-size: .76rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.search-box { position: relative; display: flex; align-items: center; margin: 2px 2px 15px; }
.search-box input { width: 100%; height: 42px; background: var(--surface); color: var(--ink); border: 1px solid var(--border); border-radius: 11px; padding: 8px 41px 8px 38px; outline: none; }
.search-box input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(82,105,217,.1); }
.search-icon { position: absolute; left: 12px; width: 15px; height: 15px; border: 2px solid var(--faint); border-radius: 50%; }
.search-icon::after { content: ""; position: absolute; width: 6px; height: 2px; background: var(--faint); transform: rotate(45deg); right: -5px; bottom: -2px; border-radius: 2px; }
kbd { position: absolute; right: 9px; padding: 1px 5px; border: 1px solid var(--border); border-radius: 5px; background: var(--surface-soft); color: var(--faint); font-family: inherit; font-size: .68rem; }
.primary-nav { display: grid; gap: 2px; }
.primary-nav button, .tree-item { width: 100%; min-height: 39px; border: 0; background: transparent; color: #445066; border-radius: 9px; display: flex; align-items: center; gap: 10px; padding: 8px 10px; cursor: pointer; text-align: left; font-weight: 590; font-size: .88rem; }
.primary-nav button:hover, .tree-item:hover { background: var(--surface-hover); color: var(--ink); }
.primary-nav button.active, .tree-item.active { background: var(--accent-soft); color: var(--accent-ink); }
.primary-nav svg, .tree-item svg { width: 18px; height: 18px; flex: 0 0 auto; }
.tree-section { min-height: 0; display: flex; flex-direction: column; flex: 1; margin-top: 19px; border-top: 1px solid var(--border); padding-top: 14px; }
.tree-heading { padding: 0 6px 7px 10px; display: flex; align-items: center; justify-content: space-between; color: var(--faint); font-size: .72rem; font-weight: 750; letter-spacing: .09em; text-transform: uppercase; }
.page-tree { overflow-y: auto; overscroll-behavior: contain; padding-right: 2px; }
.tree-item { position: relative; padding-left: calc(9px + var(--depth, 0) * 15px); }
.tree-item span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tree-empty { padding: 10px; color: var(--faint); font-size: .82rem; }
.sidebar-footer { display: flex; align-items: center; gap: 10px; padding: 14px 5px 0; border-top: 1px solid var(--border); margin-top: 10px; }
.avatar { width: 34px; height: 34px; flex: 0 0 auto; display: grid; place-items: center; border-radius: 10px; color: var(--accent-ink); background: var(--accent-soft); font-weight: 800; }
.user-meta { display: grid; min-width: 0; flex: 1; line-height: 1.25; }
.user-meta strong { font-size: .84rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-meta span { color: var(--faint); font-size: .72rem; }

.workspace { min-width: 0; height: 100dvh; display: flex; flex-direction: column; }
.topbar { height: var(--topbar); flex: 0 0 var(--topbar); display: flex; align-items: center; gap: 12px; padding: 0 24px; border-bottom: 1px solid var(--border); background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(14px); z-index: 5; }
.breadcrumbs { min-width: 0; flex: 1; display: flex; align-items: center; gap: 7px; color: var(--muted); font-size: .85rem; }
.breadcrumbs > * { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.breadcrumbs button { border: 0; background: transparent; color: var(--muted); padding: 4px 0; cursor: pointer; }
.breadcrumbs button:hover { color: var(--ink); }
.breadcrumb-separator { color: var(--faint); }
.top-actions { display: flex; align-items: center; gap: 8px; }
.content-scroll { min-height: 0; flex: 1; overflow: auto; padding: 42px clamp(24px, 5vw, 72px) 70px; outline: none; }
.content-wrap { width: min(100%, 980px); margin: 0 auto; }
.content-narrow { width: min(100%, 780px); margin: 0 auto; }
.loading-state { min-height: 60vh; display: grid; place-items: center; align-content: center; gap: 12px; color: var(--muted); }
.spinner { width: 26px; height: 26px; border: 3px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.page-heading { margin-bottom: 30px; }
.page-heading h1 { margin: 0; font-size: clamp(2rem, 5vw, 3.15rem); line-height: 1.08; letter-spacing: -.045em; }
.page-heading p { margin: 10px 0 0; color: var(--muted); }
.page-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; margin-top: 12px; color: var(--faint); font-size: .8rem; }
.dot { width: 3px; height: 3px; border-radius: 50%; background: var(--border-strong); }
.empty-state { min-height: 56vh; display: grid; place-items: center; text-align: center; }
.empty-card { width: min(100%, 520px); padding: 42px; border: 1px solid var(--border); border-radius: 22px; background: var(--surface); box-shadow: var(--shadow-soft); }
.empty-icon { width: 58px; height: 58px; margin: 0 auto 20px; display: grid; place-items: center; border-radius: 18px; background: var(--accent-soft); color: var(--accent); }
.empty-icon svg { width: 26px; height: 26px; }
.empty-card h1 { margin: 0; letter-spacing: -.035em; }
.empty-card p { color: var(--muted); margin: 10px auto 24px; max-width: 38ch; }

.modal { width: 100%; height: 100%; max-width: none; max-height: none; padding: 20px; border: 0; background: transparent; }
.modal::backdrop { background: rgba(15,23,42,.40); backdrop-filter: blur(3px); }
.modal[open] { display: grid; place-items: center; }
.modal-card { width: min(100%, 540px); max-height: min(85dvh, 760px); display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--border); border-radius: 20px; box-shadow: var(--shadow); overflow: hidden; }
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 20px 22px 14px; }
.modal-head h2 { margin: 0; font-size: 1.16rem; letter-spacing: -.02em; }
.modal-body { padding: 0 22px 22px; overflow-y: auto; color: var(--muted); }
.modal-actions { display: flex; justify-content: flex-end; gap: 9px; padding: 15px 22px max(15px,env(safe-area-inset-bottom)); border-top: 1px solid var(--border); background: var(--surface-soft); }
.toast-region { position: fixed; right: 22px; bottom: max(22px,env(safe-area-inset-bottom)); z-index: 50; display: grid; gap: 8px; pointer-events: none; }
.toast { max-width: min(390px, calc(100vw - 32px)); padding: 12px 15px; border-radius: 11px; color: white; background: #253049; box-shadow: var(--shadow); font-size: .88rem; animation: toast-in .2s ease-out; }
.toast.error { background: #9f3043; }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } }
.drawer-scrim { display: none; }

.reading-card { background: var(--surface); border: 1px solid var(--border); border-radius: 20px; padding: clamp(25px, 5vw, 54px); box-shadow: 0 4px 20px rgba(25,39,67,.035); }
.reading-card::before { content: ""; display: block; width: 46px; height: 4px; border-radius: 4px; background: var(--accent); margin: calc(-1 * clamp(25px, 5vw, 54px)) 0 clamp(28px, 5vw, 44px); }
.wiki-content { color: #2d374b; font-size: 1.02rem; line-height: 1.75; overflow-wrap: anywhere; }
.wiki-content > :first-child { margin-top: 0; }
.wiki-content > :last-child { margin-bottom: 0; }
.wiki-content h1, .wiki-content h2, .wiki-content h3 { color: var(--ink); line-height: 1.2; letter-spacing: -.025em; margin: 1.7em 0 .65em; scroll-margin-top: 90px; }
.wiki-content h1 { font-size: 2rem; }
.wiki-content h2 { font-size: 1.55rem; padding-bottom: .34em; border-bottom: 1px solid var(--border); }
.wiki-content h3 { font-size: 1.22rem; }
.wiki-content p { margin: 1em 0; }
.wiki-content a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
.wiki-content a.missing-link { color: var(--danger); text-decoration-style: dashed; }
.wiki-content code, .revision-code { padding: .14em .38em; border-radius: 6px; color: #a2334c; background: #f7edf0; font: .9em ui-monospace, SFMono-Regular, Consolas, monospace; }
.wiki-content pre, .revision-code { max-width: 100%; overflow: auto; background: #172033; color: #e7edf7; border-radius: 12px; padding: 17px 19px; font: .88rem/1.6 ui-monospace, SFMono-Regular, Consolas, monospace; }
.wiki-content pre code { padding: 0; color: inherit; background: transparent; }
.wiki-content blockquote { margin: 1.4em 0; padding: 3px 0 3px 18px; border-left: 4px solid #bac4ff; color: var(--muted); }
.wiki-content hr { margin: 2.2em 0; border: 0; border-top: 1px solid var(--border); }
.wiki-content ul, .wiki-content ol { padding-left: 1.55em; }
.wiki-content li + li { margin-top: .25em; }
.wiki-content table { width: 100%; border-collapse: collapse; margin: 1.5em 0; font-size: .92rem; }
.wiki-content th, .wiki-content td { border: 1px solid var(--border); padding: 9px 11px; text-align: left; vertical-align: top; }
.wiki-content th { background: var(--surface-soft); color: var(--ink); }
.wiki-content .check-item { list-style: none; margin-left: -1.3em; }

.section-title { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; margin-bottom: 25px; }
.section-title h1 { margin: 0; font-size: clamp(1.8rem,4vw,2.45rem); letter-spacing: -.04em; line-height: 1.15; }
.section-title p { margin: 8px 0 0; color: var(--muted); }
.stats-row { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 13px; margin-bottom: 28px; }
.stat-card { padding: 18px; background: var(--surface); border: 1px solid var(--border); border-radius: 14px; }
.stat-card strong { display: block; font-size: 1.55rem; letter-spacing: -.04em; }
.stat-card span { color: var(--muted); font-size: .8rem; }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; overflow: hidden; }
.panel + .panel { margin-top: 18px; }
.panel-header { min-height: 53px; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 17px; border-bottom: 1px solid var(--border); }
.panel-header h2 { margin: 0; font-size: 1rem; letter-spacing: -.015em; }
.panel-header a, .panel-header button { color: var(--accent); }
.page-list { display: grid; }
.page-row { min-width: 0; display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: center; gap: 18px; padding: 13px 17px; border: 0; border-bottom: 1px solid var(--border); background: var(--surface); color: inherit; text-align: left; cursor: pointer; }
.page-row:last-child { border-bottom: 0; }
.page-row:hover { background: var(--surface-soft); }
.page-row-main { min-width: 0; display: grid; gap: 2px; }
.page-row-main strong { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.page-row-main span, .page-row-meta { color: var(--faint); font-size: .76rem; }
.page-row-snippet { color: var(--muted) !important; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.page-row-meta { text-align: right; white-space: nowrap; }
.page-row mark { color: inherit; background: #fff0a8; border-radius: 3px; padding: 0 1px; }
.list-empty { padding: 28px; text-align: center; color: var(--muted); }
.badge { display: inline-flex; align-items: center; min-height: 24px; padding: 3px 8px; border-radius: 999px; background: var(--surface-hover); color: var(--muted); font-size: .72rem; font-weight: 700; }
.badge-accent { background: var(--accent-soft); color: var(--accent-ink); }
.badge-danger { background: var(--danger-soft); color: var(--danger); }
.inline-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }

.menu-wrap { position: relative; }
.dropdown { position: absolute; z-index: 10; top: calc(100% + 7px); right: 0; width: 210px; padding: 6px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow-soft); }
.dropdown button { width: 100%; min-height: 38px; display: flex; align-items: center; gap: 9px; border: 0; border-radius: 8px; padding: 8px 10px; background: transparent; color: var(--ink); text-align: left; cursor: pointer; font-size: .86rem; }
.dropdown button:hover { background: var(--surface-hover); }
.dropdown button.danger { color: var(--danger); }
.dropdown hr { border: 0; border-top: 1px solid var(--border); margin: 5px; }

.editor-screen { width: min(100%, 1280px); margin: -18px auto 0; }
.editor-head { display: grid; grid-template-columns: minmax(0,1fr) minmax(180px,280px); gap: 13px; margin-bottom: 14px; }
.editor-title { min-height: 50px !important; font-size: 1.15rem; font-weight: 750; letter-spacing: -.015em; }
.editor-tabs { display: none; gap: 4px; margin-bottom: 10px; padding: 4px; background: var(--surface-hover); border-radius: 10px; }
.editor-tabs button { flex: 1; min-height: 37px; border: 0; border-radius: 8px; background: transparent; color: var(--muted); font-weight: 700; }
.editor-tabs button.active { color: var(--ink); background: var(--surface); box-shadow: 0 1px 4px rgba(0,0,0,.08); }
.editor-grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); height: min(66vh, 720px); min-height: 480px; border: 1px solid var(--border); border-radius: 16px; background: var(--surface); overflow: hidden; }
.editor-pane { min-width: 0; display: flex; flex-direction: column; }
.preview-pane { border-left: 1px solid var(--border); background: var(--surface-soft); }
.format-toolbar { min-height: 48px; display: flex; align-items: center; flex-wrap: wrap; gap: 2px; padding: 6px 9px; border-bottom: 1px solid var(--border); background: var(--surface-soft); }
.format-toolbar button { min-width: 34px; height: 34px; border: 0; border-radius: 7px; background: transparent; color: #49566c; cursor: pointer; font-size: .8rem; font-weight: 750; }
.format-toolbar button:hover { background: var(--surface-hover); color: var(--ink); }
.format-divider { width: 1px; height: 20px; background: var(--border); margin: 0 4px; }
.markdown-input { flex: 1; width: 100%; resize: none; border: 0; outline: 0; padding: 20px; color: var(--ink); background: var(--surface); font: .94rem/1.65 ui-monospace, SFMono-Regular, Consolas, monospace; tab-size: 2; }
.preview-label { min-height: 49px; display: flex; align-items: center; padding: 6px 17px; border-bottom: 1px solid var(--border); color: var(--faint); font-size: .72rem; font-weight: 750; letter-spacing: .09em; text-transform: uppercase; }
.editor-preview { flex: 1; overflow: auto; padding: 24px; }
.editor-footer { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding-top: 13px; }
.editor-count { color: var(--faint); font-size: .76rem; }
.editor-actions { display: flex; align-items: center; gap: 9px; }

.settings-grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 18px; }
.settings-card { padding: 22px; background: var(--surface); border: 1px solid var(--border); border-radius: 16px; }
.settings-card-wide { grid-column: 1 / -1; }
.settings-card h2 { margin: 0 0 5px; font-size: 1.05rem; }
.settings-card > p { margin: 0 0 18px; color: var(--muted); font-size: .86rem; }
.settings-card .form-stack { gap: 13px; }
.danger-zone { border-color: color-mix(in srgb,var(--danger) 34%,var(--border)); }
.help-text { color: var(--faint); font-size: .78rem; }
.copy-field { display: flex; gap: 8px; }
.copy-field input { min-width: 0; flex: 1; }
.check-row { display: flex; align-items: flex-start; gap: 10px; color: var(--ink); cursor: pointer; }
.check-row input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--accent); }
.check-row span { display: grid; line-height: 1.35; }
.check-row small { color: var(--muted); margin-top: 2px; }
.revision-view { max-height: 50vh; white-space: pre-wrap; }

.public-shell { min-height: 100dvh; padding: max(24px,env(safe-area-inset-top)) clamp(18px,5vw,58px) max(44px,env(safe-area-inset-bottom)); background: var(--bg); }
.public-topbar { width: min(100%,1040px); margin: 0 auto 22px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.public-brand { display: flex; align-items: center; gap: 10px; }
.public-brand strong { display: block; }
.public-brand span { display: block; color: var(--muted); font-size: .76rem; }
.public-layout { width: min(100%,1040px); margin: 0 auto; display: grid; grid-template-columns: 220px minmax(0,1fr); gap: 20px; }
.public-nav { align-self: start; padding: 10px; background: var(--surface); border: 1px solid var(--border); border-radius: 14px; }
.public-nav button { width: 100%; display: block; border: 0; border-radius: 8px; padding: 8px 9px; background: transparent; color: var(--muted); text-align: left; cursor: pointer; font-size: .84rem; }
.public-nav button.active, .public-nav button:hover { color: var(--ink); background: var(--surface-hover); }

@media (prefers-color-scheme: dark) {
  .wiki-content { color: #d1d8e4; }
  .wiki-content code { color: #ff9bae; background: #30212a; }
  .wiki-content pre { background: #0d121b; color: #e1e8f2; }
  .page-row mark { background: #6a571f; }
  .format-toolbar button { color: var(--muted); }
}

@media (max-width: 820px) {
  .mobile-only { display: inline-flex !important; }
  .app-shell { display: block; }
  .sidebar { position: fixed; z-index: 30; left: 0; width: min(88vw, 310px); transform: translateX(-105%); transition: transform .22s ease; box-shadow: var(--shadow); }
  .app-shell.drawer-open .sidebar { transform: translateX(0); }
  .drawer-scrim { position: fixed; inset: 0; z-index: 25; background: rgba(15,23,42,.36); backdrop-filter: blur(2px); }
  .app-shell.drawer-open .drawer-scrim { display: block; }
  .sidebar-brand #close-drawer { margin-left: auto; }
  .workspace { height: 100dvh; }
  .topbar { padding: 0 12px max(0px, env(safe-area-inset-right)) 12px; height: calc(var(--topbar) + env(safe-area-inset-top)); padding-top: env(safe-area-inset-top); }
  .breadcrumbs { font-size: .8rem; }
  .top-actions .button span.button-label { display: none; }
  .top-actions .button { width: 40px; padding: 0; }
  .content-scroll { padding: 28px 18px calc(50px + env(safe-area-inset-bottom)); }
  .login-card { padding: 30px 24px; border-radius: 21px; }
  .modal { padding: 12px; align-items: end; }
  .modal[open] { place-items: end center; }
  .modal-card { width: 100%; max-height: 90dvh; border-radius: 20px 20px 14px 14px; }
  kbd { display: none; }
  .reading-card { padding: 26px 22px; border-radius: 16px; }
  .reading-card::before { margin: -26px 0 27px; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .stats-row .stat-card:last-child { grid-column: 1 / -1; }
  .editor-screen { margin-top: -8px; }
  .editor-head { grid-template-columns: 1fr; }
  .editor-tabs { display: flex; }
  .editor-grid { display: block; min-height: 52vh; height: calc(100dvh - 286px); }
  .editor-pane { height: 100%; }
  .editor-pane.mobile-hidden { display: none; }
  .preview-pane { border-left: 0; }
  .editor-footer { position: sticky; bottom: calc(-1 * (50px + env(safe-area-inset-bottom))); z-index: 4; margin: 0 -18px; padding: 10px 18px calc(10px + env(safe-area-inset-bottom)); background: color-mix(in srgb,var(--bg) 92%,transparent); border-top: 1px solid var(--border); backdrop-filter: blur(12px); }
  .settings-grid { grid-template-columns: 1fr; }
  .settings-card-wide { grid-column: auto; }
  .public-layout { grid-template-columns: 1fr; }
  .public-nav { order: 2; }
}

@media (max-width: 470px) {
  .top-actions { gap: 3px; }
  .top-actions .button-quiet { display: none !important; }
  .page-heading h1 { font-size: 2.15rem; }
  .empty-card { padding: 32px 23px; }
  .section-title { display: block; }
  .section-title > .button { margin-top: 14px; }
  .page-row { gap: 10px; }
  .page-row-meta { display: none; }
  .editor-count { display: none; }
  .editor-actions { margin-left: auto; }
  .format-toolbar { overflow-x: auto; flex-wrap: nowrap; }
}

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

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111722; --surface: #19212e; --surface-soft: #151d29; --surface-hover: #222c3b;
    --ink: #eef2f8; --muted: #a6b0c2; --faint: #7f8ba0; --border: #2b3647; --border-strong: #3a4658;
    --accent: #8090f4; --accent-hover: #91a0ff; --accent-soft: #252e52; --accent-ink: #b9c1ff;
    --danger: #f06a7f; --danger-soft: #3a2028; --success: #55c9a6; --warning: #e8a85e;
    --shadow: 0 20px 55px rgba(0,0,0,.34), 0 2px 8px rgba(0,0,0,.22);
  }
  .sidebar { background: #131b27; }
  .field { color: var(--ink); }
  .login-card { border-color: var(--border); }
}