/* ============================================================
   Corporate Accounting Vault — Soft Paper / Obsidian theme
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700&family=Source+Serif+4:ital,wght@0,400;0,500;0,600;1,400&family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  /* ---- Light: "soft paper" ---- */
  --bg:            #f3ede0;
  --bg-soft:       #ece4d3;
  --paper:         #faf6ec;
  --paper-raised:  #fffdf7;
  --ink:           #2c261c;
  --ink-soft:      #6f6555;
  --ink-faint:     #a49a86;
  --line:          #ddd2b8;
  --line-soft:     #e8dfc9;
  --accent:        #7a5cff;
  --accent-ink:    #4f3bcf;
  --accent-soft:   #ece6ff;
  --accent-soft-2: #e2d9ff;
  --amber:         #b5792f;
  --amber-soft:    #f3e3c8;
  --shadow:        0 1px 2px rgba(60, 45, 10, .05), 0 8px 24px -12px rgba(60, 45, 10, .18);
  --shadow-sm:      0 1px 3px rgba(60, 45, 10, .10);
  --radius:        14px;
  --radius-sm:     9px;
  --font-display:  'Fraunces', 'Source Serif 4', Georgia, serif;
  --font-body:     'Source Serif 4', Georgia, serif;
  --font-ui:       'IBM Plex Sans', system-ui, -apple-system, sans-serif;
  --font-mono:     'IBM Plex Mono', 'SFMono-Regular', Menlo, monospace;
  --grain-opacity: .05;
  color-scheme: light;
}

html.dark{
  /* ---- Dark: "obsidian" ---- */
  --bg:            #1c1b22;
  --bg-soft:       #201f27;
  --paper:         #232229;
  --paper-raised:  #29282f;
  --ink:           #e6e2d9;
  --ink-soft:      #a9a396;
  --ink-faint:     #736e63;
  --line:          #35333c;
  --line-soft:     #2c2b33;
  --accent:        #a893ff;
  --accent-ink:    #cabeff;
  --accent-soft:   #322d4a;
  --accent-soft-2: #3b3459;
  --amber:         #e0ac5f;
  --amber-soft:    #3a3122;
  --shadow:        0 1px 2px rgba(0,0,0,.3), 0 12px 28px -12px rgba(0,0,0,.55);
  --shadow-sm:      0 1px 3px rgba(0,0,0,.35);
  --grain-opacity: .06;
  color-scheme: dark;
}

*{ box-sizing: border-box; }
html,body{ height:100%; }
body{
  margin:0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  transition: background .25s ease, color .25s ease;
  overflow-x: hidden;
}

/* subtle paper grain */
body::before{
  content:"";
  position: fixed; inset:0;
  pointer-events:none;
  z-index: 0;
  opacity: var(--grain-opacity);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}
html.dark body::before{ mix-blend-mode: overlay; }

a{ color: inherit; text-decoration: none; }
::selection{ background: var(--accent-soft-2); color: var(--accent-ink); }

/* scrollbars */
*{ scrollbar-width: thin; scrollbar-color: var(--line) transparent; }
*::-webkit-scrollbar{ width: 9px; height: 9px; }
*::-webkit-scrollbar-thumb{ background: var(--line); border-radius: 8px; }
*::-webkit-scrollbar-track{ background: transparent; }

/* ============================================================
   App shell
   ============================================================ */
.app{
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 288px 1fr;
  min-height: 100vh;
}

/* ---------- Sidebar ---------- */
.sidebar{
  background: var(--paper);
  border-right: 1px solid var(--line-soft);
  display: flex;
  flex-direction: column;
  height: 100vh;
  position: sticky;
  top: 0;
  overflow: hidden;
}
.sidebar-head{
  padding: 20px 18px 14px;
  border-bottom: 1px solid var(--line-soft);
}
.brand{
  display:flex; align-items:center; gap:10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.18rem;
  letter-spacing: -.01em;
}
.brand .mark{
  width: 30px; height: 30px;
  border-radius: 8px;
  display:flex; align-items:center; justify-content:center;
  background: linear-gradient(150deg, var(--accent), var(--accent-ink));
  color: #fff;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}
.brand .mark svg{ width:16px; height:16px; }
.brand-sub{
  font-family: var(--font-ui);
  font-size: .72rem;
  color: var(--ink-faint);
  margin-top: 3px;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.search-wrap{
  padding: 14px 18px;
  border-bottom: 1px solid var(--line-soft);
  position: relative;
}
.search-box{
  display:flex; align-items:center; gap: 8px;
  background: var(--bg-soft);
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  padding: 9px 11px;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.search-box:focus-within{
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.search-box svg{ width:16px; height:16px; color: var(--ink-faint); flex-shrink:0; }
.search-box input{
  border:0; outline:0; background:transparent;
  font-family: var(--font-ui);
  font-size: .88rem;
  color: var(--ink);
  width:100%;
}
.search-box input::placeholder{ color: var(--ink-faint); }
.search-kbd{
  font-family: var(--font-mono);
  font-size: .68rem;
  color: var(--ink-faint);
  border: 1px solid var(--line-soft);
  border-radius: 5px;
  padding: 1px 5px;
  flex-shrink: 0;
}

.search-results{
  position:absolute;
  left: 14px; right: 14px; top: calc(100% - 6px);
  background: var(--paper-raised);
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  box-shadow: var(--shadow);
  max-height: 60vh;
  overflow-y:auto;
  z-index: 40;
  display:none;
  padding: 6px;
}
.search-results.open{ display:block; }
.search-result-item{
  display:block;
  padding: 9px 10px;
  border-radius: 8px;
  cursor:pointer;
}
.search-result-item:hover, .search-result-item.active{ background: var(--accent-soft); }
.search-result-item .sr-title{
  font-family: var(--font-ui); font-weight:600; font-size: .87rem;
  display:flex; align-items:center; gap:6px;
}
.search-result-item .sr-title mark{ background: var(--amber-soft); color: var(--ink); border-radius:2px; }
.search-result-item .sr-meta{
  font-family: var(--font-ui); font-size: .72rem; color: var(--ink-faint);
  margin-top:2px;
}
.search-result-item .sr-excerpt{
  font-family: var(--font-ui); font-size: .75rem; color: var(--ink-soft);
  margin-top: 3px; line-height:1.4;
}
.search-empty{ padding: 16px 10px; font-family: var(--font-ui); font-size:.82rem; color: var(--ink-faint); text-align:center; }

.nav-scroll{
  flex:1; overflow-y:auto; padding: 10px 10px 20px;
}
.nav-section{ margin-bottom: 4px; }
.nav-section-btn{
  width:100%;
  display:flex; align-items:center; gap:9px;
  background:none; border:0; cursor:pointer;
  font-family: var(--font-ui); font-weight:600; font-size: .78rem;
  letter-spacing: .03em; text-transform: uppercase;
  color: var(--ink-soft);
  padding: 9px 8px;
  border-radius: 8px;
  text-align:left;
}
.nav-section-btn:hover{ background: var(--bg-soft); color: var(--ink); }
.nav-section-btn .chev{ margin-left:auto; width:13px; height:13px; transition: transform .18s ease; color: var(--ink-faint); }
.nav-section-btn .cnt{ font-weight:500; color: var(--ink-faint); text-transform:none; letter-spacing:0; font-size:.72rem; }
.nav-section.collapsed .chev{ transform: rotate(-90deg); }
.nav-section-icon{ width:15px; height:15px; color: var(--accent); flex-shrink:0; }

.nav-list{ padding: 2px 0 8px 6px; overflow:hidden; }
.nav-section.collapsed .nav-list{ display:none; }
.nav-link{
  display:block;
  font-family: var(--font-ui);
  font-size: .86rem;
  color: var(--ink-soft);
  padding: 6.5px 10px 6.5px 24px;
  border-radius: 7px;
  position: relative;
  cursor:pointer;
  line-height: 1.35;
}
.nav-link::before{
  content:"";
  position:absolute; left: 11px; top: 50%; transform: translateY(-50%);
  width: 4px; height:4px; border-radius:50%;
  background: var(--ink-faint);
}
.nav-link:hover{ background: var(--bg-soft); color: var(--ink); }
.nav-link.active{
  background: var(--accent-soft); color: var(--accent-ink); font-weight:600;
}
.nav-link.active::before{ background: var(--accent); }

.sidebar-foot{
  padding: 12px 16px;
  border-top: 1px solid var(--line-soft);
  display:flex; align-items:center; justify-content:space-between;
  gap: 8px;
}
.theme-toggle{
  display:flex; align-items:center; gap:8px;
  background: var(--bg-soft);
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  padding: 6px 10px;
  cursor:pointer;
  font-family: var(--font-ui); font-size: .8rem; color: var(--ink-soft);
  flex:1;
}
.theme-toggle svg{ width:15px; height:15px; }
.theme-toggle:hover{ border-color: var(--accent); color: var(--ink); }
.home-btn{
  display:flex; align-items:center; justify-content:center;
  width: 34px; height:34px; flex-shrink:0;
  border-radius: 10px;
  background: var(--bg-soft);
  border: 1px solid var(--line-soft);
  cursor:pointer; color: var(--ink-soft);
}
.home-btn:hover{ border-color: var(--accent); color: var(--accent); }
.home-btn svg{ width:15px;height:15px; }

/* ---------- Mobile top bar ---------- */
.mobile-bar{
  display:none;
  position: sticky; top:0; z-index: 50;
  align-items:center; gap: 10px;
  padding: 12px 14px;
  background: var(--paper);
  border-bottom: 1px solid var(--line-soft);
}
.mobile-bar .brand{ font-size: 1rem; }
.icon-btn{
  width:36px; height:36px; border-radius:10px;
  display:flex; align-items:center; justify-content:center;
  background: var(--bg-soft); border:1px solid var(--line-soft);
  color: var(--ink-soft); cursor:pointer; flex-shrink:0;
}
.icon-btn svg{ width:17px; height:17px; }
.mobile-bar .spacer{ flex:1; }

.sidebar-overlay{
  display:none;
  position: fixed; inset:0; background: rgba(20,15,5,.35);
  z-index: 45;
}

/* ============================================================
   Main content
   ============================================================ */
.main{
  min-width:0;
  position: relative;
  z-index: 1;
}
.view{ display:none; }
.view.active{ display:block; }

.content-wrap{
  max-width: 880px;
  margin: 0 auto;
  padding: 56px 40px 100px;
}

/* ---------- Breadcrumb / top strip on note pages ---------- */
.crumb{
  display:flex; align-items:center; gap:7px; flex-wrap:wrap;
  font-family: var(--font-ui); font-size: .8rem; color: var(--ink-faint);
  margin-bottom: 22px;
}
.crumb a{ color: var(--ink-soft); cursor:pointer; }
.crumb a:hover{ color: var(--accent); }
.crumb svg{ width:12px; height:12px; }

/* ============================================================
   HOME view
   ============================================================ */
.hero{
  position: relative;
  padding: 30px 0 8px;
}
.hero-eyebrow{
  font-family: var(--font-ui); font-size: .78rem; font-weight:600;
  letter-spacing: .08em; text-transform: uppercase; color: var(--accent);
  display:flex; align-items:center; gap:8px;
  margin-bottom: 14px;
}
.hero-eyebrow::before{ content:""; width:22px; height:1.5px; background: var(--accent); display:inline-block; }
.hero h1{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.1rem, 4.4vw, 3.4rem);
  line-height: 1.06;
  letter-spacing: -.015em;
  margin: 0 0 18px;
}
.hero h1 em{ font-style: italic; color: var(--accent); }
.hero p.lead{
  font-family: var(--font-body);
  font-size: 1.14rem;
  color: var(--ink-soft);
  max-width: 62ch;
  margin: 0 0 30px;
}

.home-search{
  display:flex; align-items:center; gap:10px;
  background: var(--paper-raised);
  border: 1.5px solid var(--line);
  border-radius: 14px;
  padding: 14px 18px;
  box-shadow: var(--shadow-sm);
  max-width: 560px;
  margin-bottom: 40px;
}
.home-search svg{ width:19px;height:19px; color: var(--ink-faint); flex-shrink:0; }
.home-search input{
  border:0; outline:0; background:transparent; width:100%;
  font-family: var(--font-ui); font-size: .98rem; color: var(--ink);
}
.home-search input::placeholder{ color: var(--ink-faint); }

.stat-row{
  display:flex; gap: 14px; flex-wrap:wrap; margin-bottom: 52px;
}
.stat-card{
  background: var(--paper-raised);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  min-width: 130px;
  box-shadow: var(--shadow-sm);
}
.stat-card .num{
  font-family: var(--font-display); font-weight:600; font-size: 1.7rem; color: var(--accent-ink);
}
.stat-card .lbl{
  font-family: var(--font-ui); font-size: .74rem; color: var(--ink-faint);
  text-transform: uppercase; letter-spacing: .04em; margin-top:2px;
}

.section-heading{
  display:flex; align-items:baseline; justify-content:space-between;
  margin: 0 0 18px;
  gap: 10px;
}
.section-heading h2{
  font-family: var(--font-display); font-weight:600; font-size: 1.42rem; margin:0;
  display:flex; align-items:center; gap:10px;
}
.section-heading h2 .sh-icon{ color: var(--accent); width:19px;height:19px; }
.section-heading .see-all{
  font-family: var(--font-ui); font-size: .8rem; color: var(--accent-ink); cursor:pointer; white-space:nowrap;
}
.section-heading .see-all:hover{ text-decoration: underline; }

.card-grid{
  display:grid; grid-template-columns: repeat(auto-fill, minmax(230px,1fr));
  gap: 14px; margin-bottom: 48px;
}
.note-card{
  background: var(--paper-raised);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  padding: 16px 17px;
  cursor:pointer;
  transition: transform .14s ease, box-shadow .14s ease, border-color .14s ease;
  display:flex; flex-direction:column; gap:8px;
}
.note-card:hover{ transform: translateY(-2px); box-shadow: var(--shadow); border-color: var(--accent-soft-2); }
.note-card .nc-cat{
  font-family: var(--font-ui); font-size: .68rem; font-weight:600; color: var(--accent-ink);
  text-transform: uppercase; letter-spacing:.04em;
}
.note-card .nc-title{
  font-family: var(--font-ui); font-weight:600; font-size: .95rem; color: var(--ink); line-height:1.3;
}
.note-card .nc-excerpt{
  font-family: var(--font-ui); font-size: .78rem; color: var(--ink-soft); line-height:1.5;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
}
.note-card .nc-tags{ display:flex; gap:5px; flex-wrap:wrap; margin-top:2px; }

.category-panel{
  display:grid; grid-template-columns: repeat(auto-fill, minmax(260px,1fr));
  gap: 14px; margin-bottom: 52px;
}
.cat-card{
  background: var(--paper-raised);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 20px;
  cursor:pointer;
  transition: transform .14s ease, box-shadow .14s ease;
}
.cat-card:hover{ transform: translateY(-2px); box-shadow: var(--shadow); }
.cat-card .cc-icon{
  width:38px; height:38px; border-radius:10px;
  background: var(--accent-soft); color: var(--accent-ink);
  display:flex; align-items:center; justify-content:center; margin-bottom:12px;
}
.cat-card .cc-icon svg{ width:19px;height:19px; }
.cat-card .cc-title{ font-family: var(--font-ui); font-weight:600; font-size: 1rem; }
.cat-card .cc-count{ font-family: var(--font-ui); font-size: .78rem; color: var(--ink-faint); margin-top:3px; }

.tag-cloud{ display:flex; gap:8px; flex-wrap:wrap; margin-bottom: 52px; }
.tag-pill{
  font-family: var(--font-ui); font-size: .8rem; font-weight:500;
  padding: 7px 13px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent-ink);
  border: 1px solid transparent; cursor:pointer;
}
.tag-pill:hover{ border-color: var(--accent); }
.tag-pill .cnt{ opacity:.65; margin-left:4px; }

/* ============================================================
   NOTE view
   ============================================================ */
.note-header{ margin-bottom: 26px; }
.note-kicker{
  display:flex; align-items:center; gap:10px; flex-wrap:wrap;
  font-family: var(--font-ui); font-size: .74rem; font-weight:600;
  color: var(--accent-ink); text-transform:uppercase; letter-spacing:.05em;
  margin-bottom: 10px;
}
.note-kicker .dot{ width:3px; height:3px; border-radius:50%; background: var(--ink-faint); }
.note-title{
  font-family: var(--font-display); font-weight:600;
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  line-height: 1.12; letter-spacing:-.01em; margin: 0 0 14px;
}
.note-tags{ display:flex; gap:7px; flex-wrap:wrap; }
.note-tags .tag-pill{ padding:4px 11px; font-size:.72rem; }

.note-body{
  font-family: var(--font-body); font-size: 1.06rem; line-height:1.75; color: var(--ink);
}
.note-body h1{ display:none; } /* h1 duplicated as note-title already */
.note-body h2{
  font-family: var(--font-display); font-weight:600; font-size: 1.38rem;
  margin: 40px 0 14px; padding-top: 6px; border-top: 1px solid var(--line-soft);
  padding-top: 22px;
}
.note-body h2:first-child{ border-top:0; margin-top:8px; padding-top:0; }
.note-body h3{ font-family: var(--font-ui); font-weight:700; font-size: 1.03rem; margin: 26px 0 10px; color: var(--ink); }
.note-body p{ margin: 0 0 15px; }
.note-body ul, .note-body ol{ margin: 0 0 15px; padding-left: 1.4em; }
.note-body li{ margin-bottom: 5px; }
.note-body strong{ color: var(--ink); font-weight:700; }
.note-body blockquote{
  margin: 18px 0; padding: 12px 18px;
  background: var(--amber-soft);
  border-left: 3px solid var(--amber);
  border-radius: 0 8px 8px 0;
  font-family: var(--font-ui); font-size: .95rem; color: var(--ink);
}
.note-body blockquote p{ margin:0; }
.note-body code{
  font-family: var(--font-mono); font-size: .85em;
  background: var(--bg-soft); border: 1px solid var(--line-soft);
  padding: 1px 6px; border-radius: 5px;
}
.note-body pre{
  background: var(--bg-soft); border: 1px solid var(--line-soft);
  border-radius: 10px; padding: 16px 18px; overflow-x:auto; margin: 18px 0;
}
.note-body pre code{ background:none; border:0; padding:0; font-size: .87rem; line-height:1.6; }
.note-body table{
  width:100%; border-collapse: collapse; margin: 20px 0;
  font-family: var(--font-ui); font-size: .87rem;
  background: var(--paper-raised);
  border-radius: 10px; overflow:hidden;
  box-shadow: var(--shadow-sm);
}
.note-body th{
  background: var(--accent-soft); color: var(--accent-ink);
  text-align:left; padding: 10px 13px; font-weight:600;
  border-bottom: 1px solid var(--line-soft);
}
.note-body td{ padding: 10px 13px; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
.note-body tr:last-child td{ border-bottom:0; }
.note-body hr{ border:0; border-top: 1px solid var(--line-soft); margin: 30px 0; }
.note-body a.wikilink{
  color: var(--accent-ink);
  border-bottom: 1px solid var(--accent-soft-2);
  padding: 0 1px;
  border-radius: 2px;
  transition: background .12s ease;
}
.note-body a.wikilink:hover{ background: var(--accent-soft); }
.note-body .wikilink.broken{ color: var(--ink-faint); border-bottom: 1px dashed var(--ink-faint); cursor: default; }
.note-body .tag-chip{
  font-family: var(--font-ui); font-size: .82em; color: var(--accent-ink);
  background: var(--accent-soft); padding: 1px 7px; border-radius: 999px; cursor:pointer;
}

/* Connections panel */
.connections{
  margin-top: 52px; padding-top: 32px; border-top: 1px solid var(--line-soft);
  display:grid; grid-template-columns: 1fr 1fr; gap: 28px;
}
@media (max-width: 720px){ .connections{ grid-template-columns: 1fr; } }
.conn-block h3{
  font-family: var(--font-ui); font-weight:700; font-size: .82rem;
  text-transform: uppercase; letter-spacing:.04em; color: var(--ink-faint);
  display:flex; align-items:center; gap:7px; margin: 0 0 12px;
}
.conn-block h3 svg{ width:14px; height:14px; }
.conn-list{ display:flex; flex-direction:column; gap:7px; }
.conn-item{
  display:flex; align-items:center; gap:9px;
  padding: 9px 12px;
  background: var(--paper-raised);
  border: 1px solid var(--line-soft);
  border-radius: 9px;
  cursor:pointer;
  font-family: var(--font-ui); font-size: .86rem;
}
.conn-item:hover{ border-color: var(--accent); background: var(--accent-soft); }
.conn-item svg{ width:13px; height:13px; color: var(--ink-faint); flex-shrink:0; }
.conn-empty{ font-family: var(--font-ui); font-size: .82rem; color: var(--ink-faint); font-style:italic; }

/* ============================================================
   Tag / Category listing view
   ============================================================ */
.listing-header{ margin-bottom: 30px; }
.listing-header h1{
  font-family: var(--font-display); font-weight:600; font-size: 2rem; margin: 0 0 8px;
  display:flex; align-items:center; gap:12px;
}
.listing-header p{ font-family: var(--font-ui); color: var(--ink-soft); font-size:.92rem; margin:0; }
.listing-grid{ display:grid; grid-template-columns: repeat(auto-fill, minmax(240px,1fr)); gap:14px; }

/* ============================================================
   Canvas / Mind map view
   ============================================================ */
.canvas-toolbar{
  display:flex; align-items:center; gap:10px; margin-bottom:18px; flex-wrap:wrap;
}
.canvas-toolbar .zoom-btn{
  width:32px;height:32px;border-radius:8px;background:var(--paper-raised);
  border:1px solid var(--line-soft); cursor:pointer; color:var(--ink-soft);
  display:flex;align-items:center;justify-content:center;
}
.canvas-toolbar .zoom-btn:hover{ border-color: var(--accent); color: var(--accent); }
.canvas-toolbar .zoom-btn svg{ width:15px;height:15px; }
.canvas-hint{ font-family: var(--font-ui); font-size:.78rem; color: var(--ink-faint); }
.canvas-viewport{
  position: relative;
  width:100%; height: 68vh;
  overflow: auto;
  background:
    radial-gradient(circle, var(--line-soft) 1px, transparent 1px) 0 0/22px 22px,
    var(--bg-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm) inset;
}
.canvas-stage{ position: relative; transform-origin: 0 0; }
.canvas-edge-svg{ position:absolute; top:0; left:0; overflow:visible; pointer-events:none; }
.canvas-node{
  position:absolute;
  background: var(--paper-raised);
  border: 1.5px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  font-family: var(--font-ui); font-size: .78rem; font-weight:400; color: var(--ink);
  box-shadow: var(--shadow-sm);
  display:flex; flex-direction:column; justify-content:flex-start;
  overflow:auto;
  cursor: default;
  line-height:1.35;
  text-align:left;
}
.canvas-node.linked{ cursor:pointer; }
.canvas-node.linked:hover{ border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.canvas-node.center{
  background: linear-gradient(150deg, var(--accent), var(--accent-ink));
  color:#fff; border-color: transparent;
  align-items:center; justify-content:center; text-align:center;
}
.canvas-node .cn-title{
  font-family: var(--font-display); font-weight:600; font-size:1.05rem; line-height:1.25;
}
.canvas-node .cn-sub{
  font-family: var(--font-ui); font-size:.74rem; font-weight:400; opacity:.9;
  margin-top:8px; line-height:1.4;
}
.canvas-node .cn-sub .cn-line{ margin-top:2px; }
.canvas-node .cn-h{
  font-family: var(--font-ui); font-weight:700; font-size:.85rem; color: var(--accent-ink);
  margin-bottom:4px;
}
.canvas-node.center .cn-h{ color:#fff; }
.canvas-node .cn-line{ margin-top:3px; }
.canvas-node .cn-line:first-child{ margin-top:0; }
.canvas-node .cn-label-only{ font-weight:600; font-size:.84rem; }
.canvas-node .cn-list{ margin:4px 0 0; padding-left:16px; }
.canvas-node .cn-list li{ margin-top:3px; }
.canvas-node .cn-list li:first-child{ margin-top:0; }
.canvas-node strong{ font-weight:700; color: var(--accent-ink); }
.canvas-node.center strong{ color:#fff; }
.canvas-node .cn-wikilink{
  color: var(--accent-ink); text-decoration: underline; text-decoration-style: dotted;
  cursor:pointer;
}
.canvas-node .cn-wikilink:hover{ color: var(--accent); }
.canvas-node em{ font-style: italic; opacity:.8; }
.canvas-node.c1{ border-left: 4px solid #e07a5f; }
.canvas-node.c2{ border-left: 4px solid #f2b134; }
.canvas-node.c3{ border-left: 4px solid #81b29a; }
.canvas-node.c4{ border-left: 4px solid #6a8caf; }
.canvas-node.c5{ border-left: 4px solid var(--accent); }
.canvas-node.c6{ border-left: 4px solid #b56576; }

.canvas-grid-list{
  margin-top: 30px; display:grid; grid-template-columns: repeat(auto-fill,minmax(220px,1fr)); gap:12px;
}

/* ============================================================
   Search results (dedicated view)
   ============================================================ */
.search-view-input{
  display:flex; align-items:center; gap:10px;
  background: var(--paper-raised); border: 1.5px solid var(--line);
  border-radius: 14px; padding: 13px 17px; box-shadow: var(--shadow-sm);
  margin-bottom: 26px;
}
.search-view-input svg{ width:18px;height:18px;color:var(--ink-faint); flex-shrink:0; }
.search-view-input input{ border:0; outline:0; background:transparent; width:100%; font-family:var(--font-ui); font-size:1rem; color:var(--ink); }
.search-count{ font-family: var(--font-ui); font-size:.82rem; color: var(--ink-faint); margin-bottom:16px; }

/* Empty state */
.empty-state{
  text-align:center; padding: 70px 20px; color: var(--ink-faint); font-family: var(--font-ui);
}
.empty-state svg{ width:38px;height:38px;margin-bottom:14px; opacity:.5; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 900px){
  .app{ grid-template-columns: 1fr; }
  .mobile-bar{ display:flex; }
  .sidebar{
    position: fixed; top:0; left:0; bottom:0;
    width: 300px; max-width: 84vw;
    transform: translateX(-100%);
    transition: transform .22s ease;
    z-index: 60;
    box-shadow: var(--shadow);
  }
  .sidebar.open{ transform: translateX(0); }
  .sidebar-head #closeSidebarBtn{ display:flex !important; }
  .sidebar-overlay.open{ display:block; }
  .content-wrap{ padding: 30px 20px 80px; }
  .connections{ grid-template-columns: 1fr; }
  .stat-row{ gap:10px; }
  .stat-card{ min-width: 100px; padding: 12px 14px; }
}

@media (max-width: 480px){
  .hero h1{ font-size: 1.85rem; }
  .card-grid, .category-panel, .listing-grid{ grid-template-columns: 1fr; }
}

/* Fade-in for view transitions */
.view.active{ animation: fadeIn .22s ease; }
@keyframes fadeIn{ from{ opacity:0; transform: translateY(4px);} to{opacity:1; transform:none;} }

/* Focus visibility for accessibility */
a:focus-visible, button:focus-visible, input:focus-visible, .nav-link:focus-visible, .note-card:focus-visible{
  outline: 2px solid var(--accent); outline-offset: 2px;
}