/* JM Teamdocs — visual language modelled on Teamly 3.0: dark icon rail, white context panel, light canvas with cards. */
:root {
  --rail: #2f3349;
  --rail-hover: #3c4060;
  --rail-active: #4a4f73;
  --rail-icon: #c8cbe0;
  --canvas: #f2f3f7;
  --panel: #ffffff;
  --card: #ffffff;
  --border: #e4e6ee;
  --border-strong: #d5d8e3;
  --text: #2a2e34;
  --text-soft: #7d8396;
  --text-faint: #a5aabb;
  --accent: #5b5bd6;
  --accent-hover: #4b4bc6;
  --accent-soft: #e6e5fb;
  --accent-text: #ffffff;
  --link: #3d7ce6;
  --hover: #f1f2f6;
  --active-bg: #e3e2fb;
  --active-text: #5148d8;
  --danger: #df3b4a;
  --danger-soft: #fdecee;
  --warn-soft: #fff5e1;
  --success: #3aa65a;
  --success-soft: #e9f6ec;
  --info-soft: #e9f0fd;
  --code-bg: #f3f4f7;
  --mark: #fff1a8;
  --tint-green: #edf6ea;
  --tint-green-ico: #d9eed3;
  --tint-blue: #edf1fb;
  --tint-blue-ico: #dbe3f8;
  --tint-gray: #e9ecf3;
  --shadow: 0 10px 30px rgba(31, 35, 60, .14), 0 1px 3px rgba(31, 35, 60, .08);
  --shadow-sm: 0 1px 2px rgba(31, 35, 60, .06);
  --r: 8px;
  --r-lg: 14px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Helvetica, Arial, "Segoe UI Emoji", sans-serif;
  --font-head: "Open Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --surface-2: #fafbfc;
  --surface-3: #f5f6f8;
  --selection: #d7d6fb;
  --star: #e7a412;
  --green-text: #2c7f45;
  --yellow-text: #9a6a00;
  --blue-text: #2e5fb8;
  --green-ico: #4b8a3f;
  --blue-ico: #4466c4;
  --toggle-off: #cfd3de;
  --topbar: rgba(255, 255, 255, .96);
  --comment-mark: #fff3c4;
  --overlay: rgba(28, 31, 48, .45);
  --diff-add: #e3f5e6;
  --diff-del: #fde6e8;
  color-scheme: light;
}

/* Dark theme, modelled on Teamly's: near-black rail, graphite panels, cards one step lighter than the canvas. */
:root[data-theme="dark"] {
  --rail: #16171c;
  --rail-hover: #2a2c35;
  --rail-active: #34364a;
  --rail-icon: #a9adc2;
  --canvas: #1c1d22;
  --panel: #23242a;
  --card: #26272e;
  --border: #33353e;
  --border-strong: #41434e;
  --text: #e4e5ea;
  --text-soft: #9a9fb1;
  --text-faint: #6c7183;
  --accent: #7472e8;
  --accent-hover: #8584ee;
  --accent-soft: #2f2e52;
  --link: #6ea0f2;
  --hover: #2d2f37;
  --active-bg: #34335c;
  --active-text: #b3b2ff;
  --danger: #f05a67;
  --danger-soft: #3d2328;
  --warn-soft: #3a3020;
  --success: #4cbf6c;
  --success-soft: #1f3526;
  --info-soft: #1f2b40;
  --code-bg: #2d2f37;
  --mark: #5c5220;
  --tint-green: #213027;
  --tint-green-ico: #2a4231;
  --tint-blue: #222a3b;
  --tint-blue-ico: #2c3852;
  --tint-gray: #2d2f37;
  --shadow: 0 10px 30px rgba(0, 0, 0, .5), 0 1px 3px rgba(0, 0, 0, .4);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .35);
  --surface-2: #2a2b32;
  --surface-3: #2b2d34;
  --selection: #3e3d78;
  --star: #f0b632;
  --green-text: #7fd394;
  --yellow-text: #e8c062;
  --blue-text: #8fb4f5;
  --green-ico: #7fd394;
  --blue-ico: #8fb4f5;
  --toggle-off: #4a4d5a;
  --topbar: rgba(38, 39, 46, .96);
  --comment-mark: #4d4420;
  --overlay: rgba(0, 0, 0, .6);
  --diff-add: #1f3a27;
  --diff-del: #43242a;
  color-scheme: dark;
}
:root[data-theme="dark"] .opt.c-blue { background: #23334f; color: #9cbcf7; }
:root[data-theme="dark"] .opt.c-green { background: #1f3a29; color: #86d69b; }
:root[data-theme="dark"] .opt.c-yellow { background: #3e3519; color: #e8c062; }
:root[data-theme="dark"] .opt.c-red { background: #45232a; color: #f29aa3; }
:root[data-theme="dark"] .opt.c-purple { background: #322a55; color: #bba9f7; }
:root[data-theme="dark"] .opt.c-orange { background: #43301f; color: #f0b27c; }
:root[data-theme="dark"] .hero-banner { background: linear-gradient(100deg, #8a3a5e 0%, #95606c 22%, #93806c 38%, #7c9180 52%, #6a8688 68%, #566f8c 84%, #615a8a 100%); }
:root[data-theme="dark"] .doc pre { background: #17181d; }

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { background: var(--canvas); color: var(--text); font: 14px/1.45 var(--font); -webkit-font-smoothing: antialiased; }
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select, textarea { font: inherit; color: inherit; }
h1 { font: 700 26px/1.3 var(--font-head); margin: 0 0 18px; }
h2 { font: 600 18px/1.35 var(--font-head); margin: 0 0 12px; display: flex; align-items: center; gap: 10px; }
h3 { font: 600 15px/1.4 var(--font-head); margin: 0 0 8px; }
.muted { color: var(--text-soft); }
.faint { color: var(--text-faint); }
.small { font-size: 12.5px; }
.right { text-align: right; white-space: nowrap; }
.ellipsis { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }
.ico { flex: none; }
[hidden] { display: none !important; }
::selection { background: var(--selection); }

/* ---------- controls ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; height: 34px; padding: 0 14px; border: 1px solid var(--border-strong); border-radius: var(--r); background: var(--card); cursor: pointer; white-space: nowrap; color: var(--text); text-decoration: none; font-weight: 500; }
.btn:hover { background: var(--hover); text-decoration: none; }
.btn:disabled { opacity: .55; cursor: default; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn.primary:hover { background: var(--accent-hover); }
.btn.ghost { border-color: transparent; background: transparent; }
.btn.ghost:hover { background: var(--hover); }
.btn.danger { color: var(--danger); }
.btn.danger:hover { background: var(--danger-soft); }
.btn.sm { height: 28px; padding: 0 10px; font-size: 13px; }
.btn.wide { width: 100%; }
.icon-btn { display: inline-flex; align-items: center; justify-content: center; gap: 4px; min-width: 32px; height: 32px; padding: 0 6px; border: 0; border-radius: var(--r); background: transparent; color: var(--text-soft); cursor: pointer; }
.icon-btn:hover { background: var(--hover); color: var(--text); }
.icon-btn.boxed { border: 1px solid var(--border); background: var(--card); }
.icon-btn.on { color: var(--star); }
.icon-btn.on .ico { fill: currentColor; }
.icon-btn.liked { color: var(--accent); }
.icon-btn.sm { min-width: 24px; height: 24px; padding: 0 2px; }
.link-btn { border: 0; background: none; padding: 0; color: var(--text-soft); cursor: pointer; font-size: 12.5px; }
.link-btn:hover { color: var(--accent); }
.link-btn.danger:hover { color: var(--danger); }
.badge { display: inline-grid; place-items: center; min-width: 18px; height: 18px; padding: 0 5px; font-size: 11px; font-weight: 600; background: var(--danger); color: #fff; border-radius: 9px; line-height: 1; }
.badge:empty { display: none; }
.badge.soft { background: var(--accent-soft); color: var(--accent); }
.tag { display: inline-flex; align-items: center; gap: 4px; font-size: 12px; padding: 1px 8px; border-radius: 10px; background: var(--accent-soft); color: var(--active-text); white-space: nowrap; }
.tag.gray { background: var(--tint-gray); color: var(--text-soft); }
.tag.green { background: var(--success-soft); color: var(--green-text); }
.tag.red { background: var(--danger-soft); color: var(--danger); }
.tag.yellow { background: var(--warn-soft); color: var(--yellow-text); }
.tag.blue { background: var(--info-soft); color: var(--blue-text); }
.chip { display: inline-flex; align-items: center; gap: 6px; height: 28px; padding: 0 12px; border: 1px solid var(--border-strong); border-radius: 14px; background: var(--card); cursor: pointer; font-size: 13px; color: var(--text); white-space: nowrap; }
.chip:hover { background: var(--hover); }
.chip.on { background: var(--accent-soft); border-color: transparent; color: var(--active-text); }
.seg { display: inline-flex; padding: 3px; background: var(--hover); border-radius: 10px; gap: 2px; }
.seg button { border: 0; background: none; padding: 5px 14px; border-radius: 8px; cursor: pointer; font-weight: 500; color: var(--text-soft); }
.seg button.on { background: var(--card); color: var(--text); box-shadow: var(--shadow-sm); }

input:not([type=checkbox]):not([type=radio]):not([type=range]):not([type=color]), select, textarea {
  width: 100%; height: 36px; padding: 0 12px; border: 1px solid var(--border-strong); border-radius: var(--r); background: var(--card); outline: none;
}
textarea { height: auto; padding: 8px 12px; resize: vertical; }
select[multiple], select[size] { height: auto; padding: 4px; }
input:focus, select:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
input[type=checkbox], input[type=radio] { accent-color: var(--accent); width: 16px; height: 16px; }
input.short { max-width: 120px; }
select.sm, input.sm { height: 28px; width: auto; padding: 0 8px; font-size: 13px; }
.field { display: block; margin-bottom: 14px; }
.field-label { display: block; font-size: 12.5px; color: var(--text-soft); margin-bottom: 4px; }
.field-hint { display: block; font-size: 12px; color: var(--text-faint); margin-top: 4px; }
.check { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; cursor: pointer; }
.form-error { color: var(--danger); min-height: 18px; margin-bottom: 8px; font-size: 13px; }
.narrow { max-width: 420px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.toggle { position: relative; width: 36px; height: 20px; flex: none; }
.toggle input { opacity: 0; width: 0; height: 0; position: absolute; }
.toggle span { position: absolute; inset: 0; border-radius: 10px; background: var(--toggle-off); cursor: pointer; transition: background .15s; }
.toggle span::after { content: ""; position: absolute; left: 2px; top: 2px; width: 16px; height: 16px; border-radius: 50%; background: var(--card); transition: transform .15s; box-shadow: var(--shadow-sm); }
.toggle input:checked + span { background: #5cb85c; }
.toggle input:checked + span::after { transform: translateX(16px); }
.setting-row { display: flex; align-items: center; gap: 14px; padding: 14px 0; border-top: 1px solid var(--border); }
.setting-row:first-child { border-top: 0; }
.setting-row .setting-text { flex: 1; }
.setting-row .setting-text b { display: block; font-weight: 600; }

/* ---------- shell: rail + context panel + canvas ---------- */
.shell { display: grid; grid-template-columns: 64px auto 1fr; height: 100vh; }
.rail { background: var(--rail); display: flex; flex-direction: column; align-items: center; padding: 12px 0; gap: 4px; z-index: 30; }
.rail-logo { display: grid; place-items: center; width: 44px; height: 36px; margin-bottom: 12px; color: #fff; font: 800 15px/1 var(--font-head); letter-spacing: -.5px; text-decoration: none; }
.rail-logo:hover { text-decoration: none; }
.rail-btn { position: relative; display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; border: 0; background: transparent; color: var(--rail-icon); cursor: pointer; text-decoration: none; }
.rail-btn:hover { background: var(--rail-hover); color: #fff; text-decoration: none; }
.rail-btn.active { background: var(--rail-active); color: #fff; }
.rail-btn .badge { position: absolute; top: 4px; right: 2px; }
.rail-btn.add { border: 1.5px dashed #6b7092; margin-top: 6px; }
.rail-spacer { flex: 1; }
.rail .avatar { cursor: pointer; }
.rail-tip { position: fixed; z-index: 200; background: #1f2233; color: #fff; padding: 4px 9px; border-radius: 6px; font-size: 12.5px; pointer-events: none; white-space: nowrap; }

.ctx { width: 300px; background: var(--panel); border-right: 1px solid var(--border); display: flex; flex-direction: column; min-height: 0; transition: width .15s; }
.ctx.collapsed { width: 0; overflow: hidden; border: 0; }
.ctx-head { display: flex; align-items: center; gap: 8px; padding: 14px 14px 10px; min-height: 56px; }
.ctx-title { flex: 1; font: 700 16px/1.3 var(--font-head); min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: flex; align-items: center; gap: 8px; }
.ctx-title a { color: inherit; }
.ctx-search { margin: 0 12px 10px; position: relative; }
.ctx-search .ico { position: absolute; left: 10px; top: 9px; color: var(--text-faint); }
.ctx-search input { padding-left: 32px !important; height: 34px !important; }
.ctx-scroll { flex: 1; overflow: auto; padding: 0 8px 12px; min-height: 0; }
.ctx-section { margin-top: 10px; padding: 6px 8px 4px; font-size: 11.5px; text-transform: uppercase; letter-spacing: .05em; color: var(--text-faint); display: flex; align-items: center; justify-content: space-between; }
.ctx-link { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: var(--r); color: var(--text); font-size: 14px; }
.ctx-link:hover { background: var(--hover); text-decoration: none; }
.ctx-link.active { background: var(--active-bg); color: var(--active-text); font-weight: 600; }
.ctx-link .ico { color: var(--text-soft); }
.ctx-link.active .ico { color: var(--active-text); }
.ctx-link .badge { margin-left: auto; }
.ctx-foot { border-top: 1px solid var(--border); padding: 8px; }

.canvas { overflow: auto; min-width: 0; outline: none; position: relative; }
.main-pad { padding: 16px 20px 48px; }
.view { max-width: 1240px; margin: 0 auto; }
.view.narrow-view { max-width: 920px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 18px 20px; margin-bottom: 16px; }
.card.flush { padding: 0; overflow: hidden; }
.card-head { display: flex; align-items: center; gap: 10px; margin: -6px -8px 12px; padding: 8px 10px; border-radius: 10px; }
.card-head h2 { margin: 0; flex: 1; font-size: 17px; }
.card-head .head-ico { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 9px; background: var(--tint-gray); color: var(--text-soft); }
.card-head.green { background: var(--tint-green); }
.card-head.green .head-ico { background: var(--tint-green-ico); color: var(--green-ico); }
.card-head.blue { background: var(--tint-blue); }
.card-head.blue .head-ico { background: var(--tint-blue-ico); color: var(--blue-ico); }
.card-head.gray { background: var(--tint-gray); }
.view-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.view-head h1 { margin: 0; }
.empty { padding: 10px 0; color: var(--text-soft); }
.empty-state { text-align: center; padding: 72px 20px; color: var(--text-soft); }
.empty-state h2 { justify-content: center; color: var(--text); }

/* ---------- home (Teamly 3.0 dashboard) ---------- */
.hero { background: var(--card); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 10px; margin-bottom: 16px; }
.hero-banner { height: 128px; border-radius: 10px; background: linear-gradient(100deg, #f6609e 0%, #fda5b8 22%, #fcd9b8 38%, #d6f7d8 52%, #b3e3e6 68%, #8fb8e8 84%, #a39ae6 100%); }
.hero-body { position: relative; display: flex; align-items: flex-end; gap: 20px; padding: 0 22px 8px; margin-top: -54px; }
.hero-body .avatar { border: 4px solid var(--card); border-radius: 18px !important; box-shadow: var(--shadow-sm); }
.hero-body h1 { margin: 0 0 12px; font-size: 25px; }
.home-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 16px; }
.home-cards .card { margin: 0; min-height: 300px; }
.mini-list { display: flex; flex-direction: column; }
.mini-row { display: flex; align-items: center; gap: 10px; padding: 7px 4px; border-radius: 6px; color: var(--text); min-width: 0; font-size: 14px; }
.mini-row:hover { background: var(--hover); text-decoration: none; }
.mini-row .mini-ico { width: 20px; text-align: center; flex: none; }
.mini-row .mini-main { min-width: 0; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mini-row .mini-sub { color: var(--text-faint); }
.mini-row .mini-at { color: var(--text-faint); font-size: 12.5px; flex: none; }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--danger); flex: none; }
.feed { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.feed-card { border: 1px solid var(--border); border-radius: var(--r-lg); background: var(--card); overflow: hidden; color: var(--text); display: block; }
.feed-card:hover { box-shadow: var(--shadow-sm); text-decoration: none; border-color: var(--border-strong); }
.feed-cover { height: 140px; background-size: cover; background-position: center; }
.feed-body { padding: 16px 20px; }
.feed-title { display: flex; align-items: center; gap: 10px; font: 600 18px/1.35 var(--font-head); margin-bottom: 6px; }
.feed-excerpt { color: var(--text); opacity: .85; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.feed-meta { display: flex; align-items: center; gap: 10px; margin-top: 12px; font-size: 13px; color: var(--text-soft); }
.feed-meta b { color: var(--text); font-weight: 600; }
.feed-stats { margin-left: auto; display: flex; gap: 14px; align-items: center; }
.feed-stats span { display: inline-flex; align-items: center; gap: 4px; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }

/* ---------- lists & tables ---------- */
.page-list { display: flex; flex-direction: column; }
.page-row { display: flex; align-items: center; gap: 12px; padding: 9px 8px; border-radius: var(--r); color: var(--text); }
.page-row:hover { background: var(--hover); text-decoration: none; }
.page-row-ico { width: 22px; text-align: center; flex: none; font-size: 16px; }
.page-row-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.page-row-title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 500; }
.table { width: 100%; border-collapse: collapse; }
.table th { text-align: left; font-size: 12px; color: var(--text-soft); font-weight: 600; padding: 8px 10px; border-bottom: 1px solid var(--border); background: var(--surface-2); }
.table td { padding: 10px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.table tr:last-child td { border-bottom: 0; }
.table.compact td { padding: 6px 10px; }
.table tr.clickable { cursor: pointer; }
.table tr.clickable:hover td { background: var(--hover); }
.table td .btn + .btn { margin-left: 6px; }
tr.inactive td { opacity: .5; }
.user-cell { display: flex; align-items: center; gap: 10px; min-width: 0; }
.avatar { display: inline-grid; place-items: center; flex: none; border-radius: 50%; color: #fff; font-weight: 600; user-select: none; }
.space-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.space-card { display: flex; flex-direction: column; gap: 6px; padding: 18px; border: 1px solid var(--border); border-radius: var(--r-lg); background: var(--card); color: var(--text); min-height: 156px; }
.space-card:hover { box-shadow: var(--shadow-sm); border-color: var(--border-strong); text-decoration: none; }
.space-card-ico { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; background: var(--tint-blue-ico); font-size: 22px; }
.space-card-name { font: 600 16px/1.3 var(--font-head); margin-top: 4px; }
.space-card-foot { margin-top: auto; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; font-size: 12.5px; color: var(--text-soft); }
.big-input { height: 46px !important; font-size: 17px !important; margin-bottom: 16px; }
.search-hit { display: block; padding: 14px 16px; border-radius: 10px; color: var(--text); border: 1px solid transparent; }
.search-hit:hover { background: var(--card); border-color: var(--border); text-decoration: none; }
.search-hit-title { display: flex; gap: 8px; align-items: center; font-size: 16px; font-weight: 600; }
.search-snippet { margin-top: 4px; color: var(--text-soft); }
mark { background: var(--mark); color: inherit; border-radius: 2px; padding: 0 1px; }
.progress { height: 6px; border-radius: 3px; background: var(--tint-gray); overflow: hidden; min-width: 80px; }
.progress > div { height: 100%; background: var(--accent); border-radius: 3px; }
.progress.green > div { background: var(--success); }
.stat-row { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 16px; }
.stat { flex: 1; min-width: 150px; background: var(--card); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 14px 16px; }
.stat b { display: block; font: 700 24px/1.2 var(--font-head); }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 18px; }
.tabs button, .tabs a { border: 0; background: none; padding: 10px 14px; cursor: pointer; color: var(--text-soft); font-weight: 500; border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tabs .on { color: var(--text); border-bottom-color: var(--accent); }

/* ---------- login ---------- */
.login-wrap { min-height: 100vh; display: grid; place-items: center; background: var(--canvas); padding: 16px; }
.login-card { width: 100%; max-width: 380px; background: var(--card); border: 1px solid var(--border); border-radius: 18px; padding: 32px 28px; box-shadow: var(--shadow); }
.brand { display: flex; align-items: center; gap: 10px; font: 700 20px/1 var(--font-head); justify-content: center; margin-bottom: 26px; }
.brand-mark { display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 10px; background: var(--rail); color: #fff; font: 800 14px/1 var(--font-head); }
.or { display: flex; align-items: center; gap: 10px; color: var(--text-faint); font-size: 12px; margin: 14px 0; }
.or::before, .or::after { content: ""; flex: 1; height: 1px; background: var(--border); }

/* ---------- tree ---------- */
.space-switch { display: flex; align-items: center; gap: 10px; width: 100%; border: 0; background: none; cursor: pointer; padding: 0; text-align: left; min-width: 0; }
.space-switch .space-ico { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 8px; background: var(--tint-blue-ico); flex: none; font-size: 16px; }
.tree-row { display: flex; align-items: center; gap: 4px; height: 34px; padding-right: 4px; border-radius: var(--r); color: var(--text); font-size: 14px; position: relative; }
.tree-row:hover { background: var(--hover); text-decoration: none; }
.tree-row.active { background: var(--active-bg); color: var(--active-text); }
.tree-toggle { display: inline-grid; place-items: center; width: 22px; height: 22px; border: 0; border-radius: 5px; background: none; color: var(--text-soft); cursor: pointer; padding: 0; flex: none; }
.tree-toggle:hover { background: var(--border); }
.tree-toggle.leaf { visibility: hidden; }
.tree-toggle.open .ico { transform: rotate(90deg); }
.tree-ico { flex: none; width: 22px; text-align: center; font-size: 15px; }
.tree-title { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tree-lock { color: var(--text-faint); flex: none; }
.tree-actions { display: none; flex: none; }
.tree-row:hover .tree-actions, .tree-row:focus-within .tree-actions { display: flex; }
.tree-row.drop-inside { background: var(--accent-soft); outline: 2px solid var(--accent); }
.tree-row.drop-before { box-shadow: inset 0 2px 0 var(--accent); }
.tree-row.drop-after { box-shadow: inset 0 -2px 0 var(--accent); }

/* ---------- article ---------- */
.page-layout { display: flex; min-height: 100%; }
.page-col { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.page-top { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 12px; padding: 10px 20px; min-height: 52px; background: var(--topbar); border-bottom: 1px solid var(--border); }
.breadcrumbs { display: flex; align-items: center; gap: 8px; font-size: 13.5px; min-width: 0; overflow: hidden; white-space: nowrap; flex: 1; }
.breadcrumbs a { color: var(--text); overflow: hidden; text-overflow: ellipsis; }
.breadcrumbs a:last-child { color: var(--text-soft); }
.breadcrumbs .sep { color: var(--text-faint); }
.page-top-actions { display: flex; align-items: center; gap: 4px; flex: none; }
.save-status { font-size: 12.5px; margin-right: 6px; color: var(--text-faint); }
.save-status.error { color: var(--danger); }
.presence { display: flex; margin-right: 6px; }
.presence .avatar { border: 2px solid var(--card); margin-left: -6px; }
.page-sheet { background: var(--card); flex: 1; }
.page-cover { height: 210px; background: var(--tint-blue-ico); background-size: cover; background-position: center; position: relative; }
.page-cover .cover-actions { position: absolute; right: 16px; bottom: 12px; display: none; gap: 6px; }
.page-cover:hover .cover-actions { display: flex; }
.page-body { display: grid; grid-template-columns: minmax(0, 1fr) 240px; gap: 32px; max-width: 1180px; margin: 0 auto; padding: 28px 40px 120px; }
.page-body.full { max-width: none; }
.page-body.no-toc { grid-template-columns: minmax(0, 1fr); max-width: 900px; }
.page-body.no-toc.full { max-width: none; }
.page-tools { display: flex; gap: 6px; margin-bottom: 8px; opacity: 0; transition: opacity .15s; }
.page-main:hover .page-tools { opacity: 1; }
.page-tools .btn { color: var(--text-soft); }
.page-head { display: flex; align-items: flex-start; gap: 12px; }
.page-icon { font-size: 40px; line-height: 1; border: 0; background: none; border-radius: 10px; padding: 4px; cursor: pointer; flex: none; }
.page-icon:hover:not(:disabled) { background: var(--hover); }
.page-icon:disabled { cursor: default; color: inherit; }
.page-title { font: 800 36px/1.2 var(--font-head) !important; border: 0 !important; box-shadow: none !important; padding: 4px 0 !important; height: auto !important; resize: none; overflow: hidden; background: transparent !important; color: var(--text); }
.page-meta { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; font-size: 13px; color: var(--text-soft); margin: 10px 0 22px; }
.page-meta .sepdot { width: 3px; height: 3px; border-radius: 50%; background: var(--text-faint); }
.page-meta b { color: var(--text); font-weight: 600; }
.reg-banner { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-radius: 10px; background: var(--info-soft); margin-bottom: 18px; flex-wrap: wrap; }
.reg-banner.done { background: var(--success-soft); }
.reg-banner .spacer { flex: 1; }
.banner { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 14px; background: var(--warn-soft); border-radius: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.banner-actions { display: flex; gap: 8px; }
.toc { position: sticky; top: 72px; align-self: start; max-height: calc(100vh - 100px); overflow: auto; background: var(--surface-3); border-radius: 12px; padding: 14px 12px; }
.toc h4 { margin: 0 0 8px; font: 600 14px var(--font-head); padding: 0 6px; }
.toc a { display: block; padding: 4px 6px; border-radius: 6px; color: var(--text); font-size: 13.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.toc a:hover { background: var(--hover); text-decoration: none; }
.toc a.l2 { padding-left: 18px; }
.toc a.l3 { padding-left: 30px; color: var(--text-soft); }
.children { margin-top: 44px; border-top: 1px solid var(--border); padding-top: 20px; }
.child-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; }
.child-card { display: flex; gap: 10px; align-items: center; padding: 12px 14px; border: 1px solid var(--border); border-radius: 10px; color: var(--text); min-width: 0; }
.child-card:hover { border-color: var(--accent); text-decoration: none; }
.page-foot { display: flex; align-items: center; gap: 10px; margin-top: 40px; padding-top: 16px; border-top: 1px solid var(--border); }
.linked-tasks { margin-top: 28px; }

.toolbar { position: sticky; top: 52px; z-index: 15; display: flex; align-items: center; gap: 2px; flex-wrap: wrap; padding: 5px 6px; margin: 0 0 14px; background: var(--card); border: 1px solid var(--border); border-radius: 10px; box-shadow: var(--shadow-sm); }
.tb-group { display: inline-flex; gap: 1px; padding-left: 5px; margin-left: 3px; border-left: 1px solid var(--border); }
.tb { min-width: 30px; height: 30px; padding: 0 6px; border: 0; border-radius: 6px; background: none; cursor: pointer; color: var(--text); display: inline-grid; place-items: center; font-size: 14px; }
.tb:hover { background: var(--hover); }
.tb.on { background: var(--accent-soft); color: var(--active-text); }
.tb.ai { color: var(--accent); font-weight: 600; }
.tb-txt { font-weight: 600; font-size: 13px; }
.tb-select { width: auto !important; height: 30px !important; padding: 0 6px !important; font-size: 13px; border-color: transparent !important; }
.tb-select:hover { background: var(--hover); }
.table-group { background: var(--accent-soft); border-radius: 6px; border-left: 0; padding: 0 4px; }
.color-swatches { display: grid; grid-template-columns: repeat(6, 24px); gap: 6px; padding: 6px; }
.color-swatches button { width: 24px; height: 24px; border-radius: 6px; border: 1px solid var(--border); cursor: pointer; }

/* ---------- document content ---------- */
.doc { outline: none; min-height: 320px; font-size: 16px; line-height: 1.7; color: var(--text); }
.doc > * + * { margin-top: .55em; }
.doc p { margin: 0; }
.doc h1, .doc h2, .doc h3 { font-family: var(--font-head); line-height: 1.3; margin: 1.5em 0 .45em; scroll-margin-top: 80px; }
.doc h1 { font-size: 27px; font-weight: 700; }
.doc h2 { font-size: 22px; font-weight: 700; display: block; }
.doc h3 { font-size: 18px; font-weight: 600; }
.doc ul, .doc ol { padding-left: 1.6em; margin: .4em 0; }
.doc li p { margin: 0; }
.doc ul[data-type="taskList"] { list-style: none; padding-left: .2em; }
.doc ul[data-type="taskList"] li { display: flex; gap: 8px; align-items: flex-start; }
.doc ul[data-type="taskList"] li > label { flex: none; margin-top: .3em; }
.doc ul[data-type="taskList"] li > div { flex: 1; }
.doc ul[data-type="taskList"] li[data-checked="true"] > div { color: var(--text-soft); text-decoration: line-through; }
.doc blockquote { border-left: 3px solid var(--accent); margin: .8em 0; padding: 2px 0 2px 16px; color: var(--text-soft); }
.doc code { background: var(--code-bg); border-radius: 4px; padding: 1px 5px; font: .88em var(--mono); }
.doc pre { background: #282c3c; color: #e6e8f0; border-radius: 10px; padding: 14px 16px; overflow-x: auto; font: 14px/1.55 var(--mono); }
.doc pre code { background: none; padding: 0; font-size: inherit; color: inherit; }
.doc hr { border: 0; border-top: 1px solid var(--border-strong); margin: 1.6em 0; }
.doc img { max-width: 100%; height: auto; border-radius: 8px; }
.doc img.ProseMirror-selectednode { outline: 3px solid var(--accent); }
.doc a { cursor: pointer; color: var(--link); }
.doc mark { background: var(--mark); }
.doc .callout { border-radius: 10px; padding: 12px 16px 12px 46px; margin: .9em 0; position: relative; background: var(--surface-3); }
.doc .callout::before { position: absolute; left: 15px; top: 12px; content: "ℹ️"; }
.doc .callout[data-kind="info"] { background: var(--info-soft); }
.doc .callout[data-kind="warn"] { background: var(--warn-soft); }
.doc .callout[data-kind="warn"]::before { content: "⚠️"; }
.doc .callout[data-kind="success"] { background: var(--success-soft); }
.doc .callout[data-kind="success"]::before { content: "✅"; }
.doc .callout[data-kind="danger"] { background: var(--danger-soft); }
.doc .callout[data-kind="danger"]::before { content: "❗"; }
.doc details { border: 1px solid var(--border); border-radius: 10px; padding: 8px 14px; margin: .8em 0; }
.doc details summary { font-weight: 600; cursor: pointer; }
.doc [data-type="details"] { display: flex; gap: 6px; border: 1px solid var(--border); border-radius: 10px; padding: 8px 12px; margin: .8em 0; }
.doc [data-type="details"] > button { border: 0; background: none; cursor: pointer; width: 22px; height: 22px; padding: 0; color: var(--text-soft); flex: none; }
.doc [data-type="details"] > button::before { content: "▸"; }
.doc [data-type="details"].is-open > button::before { content: "▾"; }
.doc [data-type="details"] > div { flex: 1; }
.doc [data-type="details"] summary { font-weight: 600; list-style: none; }
.doc [data-type="details"]:not(.is-open) [data-type="detailsContent"] { display: none; }
.doc .tableWrapper { overflow-x: auto; margin: 1em 0; }
.doc table { border-collapse: collapse; table-layout: fixed; width: 100%; }
.doc td, .doc th { border: 1px solid var(--border-strong); padding: 7px 10px; vertical-align: top; position: relative; min-width: 60px; }
.doc th { background: var(--surface-3); font-weight: 600; text-align: left; }
.doc .selectedCell::after { content: ""; position: absolute; inset: 0; background: var(--accent-soft); opacity: .6; pointer-events: none; }
.doc .column-resize-handle { position: absolute; right: -2px; top: 0; bottom: 0; width: 4px; background: var(--accent); pointer-events: none; }
.resize-cursor { cursor: col-resize; }
.doc .is-empty::before { content: attr(data-placeholder); color: var(--text-faint); float: left; height: 0; pointer-events: none; }
.doc[contenteditable="false"] .is-empty::before { content: none; }
.doc .mention { background: var(--accent-soft); color: var(--active-text); border-radius: 5px; padding: 0 4px; font-weight: 500; white-space: nowrap; }
.doc .page-link { background: var(--tint-gray); color: var(--text); border-radius: 5px; padding: 0 4px; white-space: nowrap; cursor: pointer; }
.doc .page-link::before { content: "📄 "; }
.doc .inline-comment { background: var(--comment-mark); border-bottom: 2px solid #f0c800; cursor: pointer; }
.doc .inline-comment.resolved { background: none; border-bottom: 0; }
.doc .smart-table-embed { border: 1px solid var(--border); border-radius: 12px; padding: 12px; margin: 1em 0; background: var(--surface-2); }
.collaboration-carets__caret { border-left: 1px solid; border-right: 1px solid; margin-left: -1px; margin-right: -1px; pointer-events: none; position: relative; word-break: normal; }
.collaboration-carets__label { border-radius: 4px 4px 4px 0; color: #fff; font-size: 11px; font-weight: 600; left: -1px; line-height: normal; padding: 1px 5px; position: absolute; top: -1.5em; user-select: none; white-space: nowrap; }
.ProseMirror-gapcursor { display: none; pointer-events: none; position: absolute; }
.ProseMirror-gapcursor::after { content: ""; display: block; position: absolute; top: -2px; width: 20px; border-top: 1px solid var(--text); animation: blink 1.1s steps(2, start) infinite; }
.ProseMirror-focused .ProseMirror-gapcursor { display: block; }
@keyframes blink { to { visibility: hidden; } }

.slash-menu, .suggest-menu { position: fixed; z-index: 150; width: 280px; max-height: 340px; overflow: auto; background: var(--card); border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow); padding: 5px; }
.slash-item { display: flex; align-items: center; gap: 10px; width: 100%; text-align: left; border: 0; background: none; padding: 7px 10px; border-radius: 8px; cursor: pointer; font-size: 14px; }
.slash-item .slash-ico { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 7px; background: var(--hover); flex: none; font-size: 14px; }
.slash-item small { display: block; color: var(--text-faint); font-size: 12px; }
.slash-item.active, .slash-item:hover { background: var(--active-bg); }
.bubble { position: fixed; z-index: 140; display: flex; gap: 2px; padding: 4px; background: var(--card); border: 1px solid var(--border); border-radius: 10px; box-shadow: var(--shadow); }
.ai-pop { position: fixed; z-index: 160; width: min(560px, calc(100vw - 32px)); background: var(--card); border: 1px solid var(--border); border-radius: 14px; box-shadow: var(--shadow); padding: 12px; }
.ai-pop .ai-out { max-height: 320px; overflow: auto; white-space: pre-wrap; font-size: 14.5px; line-height: 1.6; padding: 8px 4px; }
.ai-actions { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.spark { color: var(--accent); }

/* ---------- side panels ---------- */
.side-panel { width: 360px; flex: none; border-left: 1px solid var(--border); background: var(--surface-2); overflow: auto; padding: 14px 16px; position: sticky; top: 0; height: 100vh; }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 12px; }
.panel-head h3 { margin: 0; }
.comment-form { display: flex; flex-direction: column; gap: 6px; align-items: flex-end; margin-bottom: 14px; }
.comment { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 10px 12px; margin-bottom: 10px; }
.comment.reply { border: 0; border-left: 2px solid var(--border); border-radius: 0; padding: 6px 0 2px 10px; margin: 8px 0 0; }
.comment.resolved { opacity: .6; }
.comment.focus { box-shadow: 0 0 0 2px var(--accent); }
.comment-head { display: flex; align-items: center; gap: 8px; font-size: 13px; margin-bottom: 4px; }
.comment-anchor { font-size: 12.5px; color: var(--text-soft); border-left: 3px solid #f0c800; padding-left: 8px; margin-bottom: 6px; }
.comment-body { white-space: pre-wrap; word-break: break-word; }
.comment-actions { display: flex; gap: 12px; margin-top: 6px; }
.version-list { display: flex; flex-direction: column; gap: 4px; }
.version { text-align: left; border: 1px solid transparent; background: none; border-radius: 10px; padding: 8px 10px; cursor: pointer; }
.version:hover { background: var(--card); border-color: var(--border); }
.version-preview { max-height: 62vh; overflow: auto; }
.chat { display: flex; flex-direction: column; gap: 12px; }
.chat-msg { padding: 10px 12px; border-radius: 12px; white-space: pre-wrap; line-height: 1.55; }
.chat-msg.user { background: var(--accent-soft); align-self: flex-end; max-width: 90%; }
.chat-msg.bot { background: var(--card); border: 1px solid var(--border); }
.sources { display: flex; flex-direction: column; gap: 4px; margin-top: 8px; }
.sources a { font-size: 13px; }

/* ---------- smart tables / kanban / calendar ---------- */
.db-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.db-views { display: flex; gap: 4px; flex-wrap: wrap; }
.db-grid { overflow: auto; border: 1px solid var(--border); border-radius: 12px; background: var(--card); }
.db-grid table { border-collapse: collapse; min-width: 100%; }
.db-grid th { position: sticky; top: 0; background: var(--surface-2); font-size: 12.5px; font-weight: 600; color: var(--text-soft); text-align: left; padding: 0; border-bottom: 1px solid var(--border); border-right: 1px solid var(--border); white-space: nowrap; }
.db-grid th button { border: 0; background: none; width: 100%; text-align: left; padding: 9px 10px; cursor: pointer; color: inherit; font: inherit; display: flex; gap: 6px; align-items: center; }
.db-grid td { border-bottom: 1px solid var(--border); border-right: 1px solid var(--border); padding: 0; vertical-align: middle; height: 38px; }
.db-grid td > .cell { padding: 6px 10px; min-height: 37px; display: flex; align-items: center; gap: 4px; flex-wrap: wrap; cursor: text; }
.db-grid td input, .db-grid td select { border: 0 !important; box-shadow: none !important; border-radius: 0; height: 37px; background: var(--card); }
.db-grid tr:hover td { background: var(--hover); }
.db-grid .row-num { width: 44px; text-align: center; color: var(--text-faint); font-size: 12px; }
.db-add { display: block; width: 100%; text-align: left; padding: 9px 12px; border: 0; background: none; color: var(--text-soft); cursor: pointer; }
.db-add:hover { background: var(--hover); }
.opt { display: inline-flex; align-items: center; height: 22px; padding: 0 8px; border-radius: 6px; font-size: 12.5px; background: var(--tint-gray); white-space: nowrap; }
.opt.c-gray { background: var(--tint-gray); } .opt.c-blue { background: #dfe9fd; color: #2a59b8; } .opt.c-green { background: #dff3e4; color: #237a3d; }
.opt.c-yellow { background: #fdf2cf; color: #8a6200; } .opt.c-red { background: #fde2e4; color: #b42332; } .opt.c-purple { background: #ebe5fc; color: #5b3dc8; } .opt.c-orange { background: #fde8d7; color: #a4520f; }
.kanban { display: flex; gap: 14px; overflow-x: auto; padding-bottom: 12px; align-items: flex-start; }
.kanban-col { flex: 0 0 290px; background: var(--surface-3); border-radius: 12px; padding: 10px; }
.kanban-col.drop { outline: 2px dashed var(--accent); }
.kanban-col-head { display: flex; align-items: center; gap: 8px; padding: 2px 4px 10px; font-weight: 600; }
.kanban-card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; margin-bottom: 8px; cursor: grab; box-shadow: var(--shadow-sm); }
.kanban-card:hover { border-color: var(--border-strong); }
.kanban-card .kc-title { font-weight: 500; margin-bottom: 6px; }
.kanban-card .kc-meta { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; font-size: 12px; color: var(--text-soft); }
.calendar { display: grid; grid-template-columns: repeat(7, 1fr); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; background: var(--card); }
.cal-dow { padding: 8px; font-size: 12px; color: var(--text-soft); background: var(--surface-2); border-bottom: 1px solid var(--border); text-align: center; }
.cal-day { min-height: 110px; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 6px; font-size: 12.5px; }
.cal-day:nth-child(7n) { border-right: 0; }
.cal-day.other { background: var(--surface-2); color: var(--text-faint); }
.cal-day.today .cal-num { background: var(--accent); color: #fff; border-radius: 10px; padding: 0 6px; }
.cal-item { display: block; background: var(--accent-soft); color: var(--active-text); border-radius: 5px; padding: 2px 6px; margin-top: 4px; cursor: pointer; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.prio { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.prio.low { background: #9aa3b5; } .prio.normal { background: #3d7ce6; } .prio.high { background: #f08c1a; } .prio.critical { background: var(--danger); }
.task-row { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-bottom: 1px solid var(--border); cursor: pointer; }
.task-row:hover { background: var(--hover); }
.task-row:last-child { border-bottom: 0; }
.task-row .t-title { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.task-row.done .t-title { text-decoration: line-through; color: var(--text-soft); }

/* ---------- learning ---------- */
.course-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.course-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 18px; display: flex; flex-direction: column; gap: 8px; color: var(--text); min-height: 170px; }
.course-card:hover { box-shadow: var(--shadow-sm); text-decoration: none; }
.course-card .cc-ico { font-size: 28px; }
.lesson { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border: 1px solid var(--border); border-radius: 12px; background: var(--card); margin-bottom: 8px; }
.lesson .num { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--tint-gray); font-weight: 600; flex: none; }
.lesson.done .num { background: var(--success); color: #fff; }
.question { border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; margin-bottom: 12px; background: var(--card); }
.question.wrong { border-color: var(--danger); }
.question .q-text { font-weight: 600; margin-bottom: 8px; }
.option-row { display: flex; align-items: center; gap: 8px; padding: 4px 0; }
.org-tree .org-node { margin-left: 20px; border-left: 1px dashed var(--border-strong); padding-left: 12px; }
.org-item { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 10px; cursor: pointer; }
.org-item:hover { background: var(--hover); }
.org-item.active { background: var(--active-bg); }

/* ---------- overlays ---------- */
.overlay { position: fixed; inset: 0; z-index: 100; background: var(--overlay); display: grid; place-items: center; padding: 16px; }
.modal { width: 100%; max-width: 500px; max-height: calc(100vh - 32px); display: flex; flex-direction: column; background: var(--card); border-radius: 16px; box-shadow: var(--shadow); }
.modal.wide { max-width: 900px; }
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 18px 22px 8px; }
.modal-head h2 { margin: 0; }
.modal-body { padding: 8px 22px; overflow: auto; }
.modal-foot { display: flex; justify-content: flex-end; gap: 8px; padding: 14px 22px 18px; }
.popmenu { position: fixed; z-index: 170; min-width: 220px; max-height: 70vh; overflow: auto; background: var(--card); border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow); padding: 5px; }
.menu-item { display: flex; align-items: center; gap: 10px; width: 100%; border: 0; background: none; padding: 8px 10px; border-radius: 8px; cursor: pointer; text-align: left; font-size: 14px; color: var(--text); }
.menu-item:hover { background: var(--hover); }
.menu-item .ico { color: var(--text-soft); }
.menu-item.danger, .menu-item.danger .ico { color: var(--danger); }
.popmenu .sep { height: 1px; background: var(--border); margin: 4px 0; }
.popmenu .menu-head { padding: 8px 10px 4px; font-size: 12px; color: var(--text-faint); }
.emoji-grid { display: grid; grid-template-columns: repeat(8, 36px); gap: 2px; min-width: 0; }
.emoji { border: 0; background: none; font-size: 20px; width: 36px; height: 36px; border-radius: 8px; cursor: pointer; }
.emoji:hover { background: var(--hover); }
.notif-pop { width: 400px; padding: 0; }
.notif-item { display: flex; gap: 10px; padding: 12px 14px; border-bottom: 1px solid var(--border); cursor: pointer; color: var(--text); }
.notif-item:hover { background: var(--hover); text-decoration: none; }
.notif-item.unread { background: var(--accent-soft); }
#toasts { position: fixed; right: 16px; bottom: 16px; z-index: 300; display: flex; flex-direction: column; gap: 8px; }
.toast { background: #2a2e3f; color: #fff; padding: 10px 14px; border-radius: 10px; box-shadow: var(--shadow); max-width: 400px; transition: opacity .4s; }
.toast.error { background: var(--danger); }
.toast.out { opacity: 0; }
.code-box { font: 13px var(--mono); background: var(--code-bg); border-radius: 8px; padding: 10px 12px; word-break: break-all; user-select: all; }
.public-top { display: flex; align-items: center; gap: 12px; padding: 12px 20px; background: var(--card); border-bottom: 1px solid var(--border); }

/* ---------- responsive ---------- */
.mobile-toggle { display: none; }
@media (max-width: 1100px) {
  .page-body { grid-template-columns: minmax(0, 1fr); }
  .page-body .toc { display: none; }
  .home-cards { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .rail { position: fixed; left: 0; top: 0; bottom: 0; transform: translateX(-100%); transition: transform .2s; }
  .ctx { position: fixed; left: 64px; top: 0; bottom: 0; z-index: 29; transform: translateX(calc(-100% - 64px)); transition: transform .2s; box-shadow: var(--shadow); }
  .shell.nav-open .rail, .shell.nav-open .ctx { transform: none; }
  .mobile-toggle { display: grid; place-items: center; position: fixed; left: 12px; bottom: 16px; z-index: 80; width: 48px; height: 48px; border-radius: 50%; border: 0; background: var(--rail); color: #fff; box-shadow: var(--shadow); cursor: pointer; }
  .main-pad { padding: 12px 12px 72px; }
  .page-body { padding: 20px 16px 80px; }
  .page-title { font-size: 28px !important; }
  .side-panel { position: fixed; inset: 0; width: auto; z-index: 60; height: auto; }
  .grid2 { grid-template-columns: 1fr; }
  .page-top { padding: 8px 12px; }
}
@media print {
  .rail, .ctx, .page-top, .toolbar, .side-panel, .children, .toc, .page-tools, .page-foot, .mobile-toggle { display: none !important; }
  .shell, .page-layout { display: block; height: auto; }
  .canvas { overflow: visible; }
  .page-body { display: block; padding: 0; }
  body, .canvas { background: #fff; color: #000; }
}

/* ---------- version diff, glossary, chart tooltip ---------- */
.diff { border: 1px solid var(--border); border-radius: 10px; overflow: hidden; font-size: 13.5px; }
.diff-row { display: flex; gap: 8px; padding: 4px 10px; white-space: pre-wrap; word-break: break-word; }
.diff-row.add { background: var(--diff-add); }
.diff-row.del { background: var(--diff-del); text-decoration: line-through; text-decoration-color: var(--text-faint); }
.diff-row.same { color: var(--text-soft); }
.diff-mark { flex: none; width: 12px; font-family: var(--mono); color: var(--text-faint); }
.doc .gloss, .gloss { border-bottom: 1px dotted var(--text-soft); cursor: help; }
.chart-tip { position: absolute; z-index: 5; width: 180px; padding: 6px 9px; background: var(--card); color: var(--text); border: 1px solid var(--border); border-radius: 8px; box-shadow: var(--shadow); font-size: 12.5px; pointer-events: none; }
.theme-pick { display: flex; gap: 10px; flex-wrap: wrap; }
.theme-pick button { display: flex; flex-direction: column; gap: 6px; align-items: center; padding: 8px; border: 2px solid var(--border); border-radius: 12px; background: var(--card); cursor: pointer; color: var(--text); }
.theme-pick button.on { border-color: var(--accent); }
.theme-pick .sw { width: 96px; height: 60px; border-radius: 8px; display: flex; overflow: hidden; border: 1px solid var(--border); }
.theme-pick .sw i { display: block; }
:root[data-theme="dark"] .doc mark, :root[data-theme="dark"] .doc [style*="background-color"] { color: #1c1d22; }
:root[data-theme="dark"] .doc mark:not([style]) { background: var(--mark); color: inherit; }

/* ---------- draw.io ---------- */
.drawio-embed { border: 1px solid var(--border); border-radius: 12px; margin: 1em 0; overflow: hidden; background: #fff; }
.drawio-frame { display: block; width: 100%; height: 360px; border: 0; background: #fff; }
.drawio-foot { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 6px 12px; border-top: 1px solid var(--border); background: var(--surface-2); }
.ProseMirror-selectednode.drawio-embed { outline: 2px solid var(--accent); }

/* ---------- columns ---------- */
.doc .columns { display: flex; gap: 24px; margin: 1em 0; }
.doc .column { flex: 1 1 0; min-width: 0; }
.doc .column > :first-child { margin-top: 0; }
.ProseMirror .column { outline: 1px dashed transparent; border-radius: 6px; padding: 2px 4px; }
.ProseMirror[contenteditable="true"] .column { outline-color: var(--border); }
@media (max-width: 720px) { .doc .columns { flex-direction: column; gap: 8px; } }
@media print { .doc .columns { display: block; } }

.rel-cell { display: flex; flex-wrap: wrap; gap: 4px; align-items: center; }
.rel-list { max-height: 50vh; overflow: auto; margin-top: 8px; display: flex; flex-direction: column; gap: 2px; }

/* ---------- embeds ---------- */
.embed { border: 1px solid var(--border); border-radius: 12px; margin: 1em 0; overflow: hidden; background: var(--card); }
.embed-box { position: relative; width: 100%; background: #000; }
.embed-box.video { aspect-ratio: 16 / 9; }
.embed-box.board { height: 480px; background: var(--surface-2); }
.embed-box.doc { height: 600px; background: #fff; }
.embed-box iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.embed-video { display: block; width: 100%; max-height: 70vh; background: #000; }
.ProseMirror-selectednode.embed { outline: 2px solid var(--accent); }