@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=DM+Mono:wght@400;500&family=DM+Sans:wght@300;400;500&display=swap');

:root {
  --bg: #0e0e10;
  --bg2: #161618;
  --bg3: #1e1e21;
  --border: rgba(255,255,255,0.08);
  --border2: rgba(255,255,255,0.14);
  --text: #e8e8ea;
  --text2: #9090a0;
  --text3: #55555f;
  --accent: #7c6dfa;
  --accent2: #5748d4;
  --accent-glow: rgba(124,109,250,0.15);
  --green: #3dba7e;
  --green-bg: rgba(61,186,126,0.12);
  --amber: #f0b429;
  --amber-bg: rgba(240,180,41,0.12);
  --red: #f06060;
  --red-bg: rgba(240,96,96,0.12);
  --blue: #60a8f0;
  --blue-bg: rgba(96,168,240,0.12);
  --radius: 8px;
  --radius-lg: 12px;
  --font-serif: 'Instrument Serif', Georgia, serif;
  --font-mono: 'DM Mono', monospace;
  --font-sans: 'DM Sans', sans-serif;
  --graph-node-page: #7c6dfa;
  --graph-node-tag: #3dba7e;
  --graph-edge: rgba(255, 255, 255, 0.1);
  --graph-text: #e8e8ea;
}

body.light-mode {
  --bg: #ffffff;
  --bg2: #f5f5f7;
  --bg3: #ececed;
  --border: rgba(0,0,0,0.08);
  --border2: rgba(0,0,0,0.12);
  --text: #1d1d1f;
  --text2: #424245;
  --text3: #86868b;
  --accent-glow: rgba(124,109,250,0.1);
  --graph-node-page: #5748d4; 
  --graph-node-tag: #2d8a5e;    
  --graph-edge: rgba(0, 0, 0, 0.1);
  --graph-text: #1d1d1f; /* This ensures the text is dark */
}
/* Fix for the AI panel and sidebar in light mode */
body.light-mode #ai-panel, 
body.light-mode #sidebar {
    background: var(--bg2);
}

body.light-mode textarea#note-content {
  color: #1d1d1f;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  overflow: hidden;
  font-size: 14px;
  line-height: 1.6;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 4px; }

/* ── Auth ── */
#auth-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  background: var(--bg);
}

.auth-card {
  width: 360px;
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  animation: fadeUp 0.4s ease;
}

.auth-logo {
  font-family: var(--font-serif);
  font-size: 28px;
  color: var(--text);
  margin-bottom: 4px;
}

.auth-logo span { color: var(--accent); }

.auth-sub {
  font-size: 13px;
  color: var(--text2);
  margin-bottom: 2rem;
}

.field { margin-bottom: 14px; }
.field label { display: block; font-size: 11px; color: var(--text2); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 6px; }
.field input {
  width: 100%;
  padding: 9px 12px;
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}
.field input:focus { border-color: var(--accent); }

.auth-btn {
  width: 100%;
  padding: 10px;
  background: var(--accent);
  border: none;
  border-radius: var(--radius);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  margin-top: 6px;
  transition: background 0.2s, transform 0.1s;
}
.auth-btn:hover { background: var(--accent2); }
.auth-btn:active { transform: scale(0.99); }

.auth-err { font-size: 12px; color: var(--red); margin-top: 10px; display: none; }
.auth-toggle { text-align: center; margin-top: 1rem; font-size: 13px; color: var(--text2); }
.auth-toggle a { color: var(--accent); cursor: pointer; text-decoration: none; }

/* ── App Layout ── */
#app { display: none; height: 100vh; flex-direction: column; }
#app.visible { display: flex; }

/* ── Top bar ── */
#topbar {
  height: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  padding: 0 16px;
  z-index: 10;
}

.tb-logo {
  font-family: var(--font-serif);
  font-size: 17px;
  color: var(--text);
  margin-right: 20px;
  flex-shrink: 0;
}
.tb-logo span { color: var(--accent); }

.tb-tabs { display: flex; gap: 2px; flex: 1; }

.tb-tab {
  padding: 5px 12px;
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--text2);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s;
  background: none;
  font-family: var(--font-sans);
}
.tb-tab:hover { color: var(--text); background: var(--bg3); }
.tb-tab.active { color: var(--text); background: var(--bg3); border-color: var(--border2); }

.tb-right { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.tb-user { font-size: 12px; color: var(--text3); }
.tb-sign-out {
  font-size: 12px;
  color: var(--text3);
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  padding: 4px 8px;
  border-radius: var(--radius);
  transition: color 0.15s;
}
.tb-sign-out:hover { color: var(--text2); }

/* ── Main body ── */
#body { flex: 1; display: flex; overflow: hidden; }

/* ── Sidebar ── */
#sidebar {
  width: 210px;
  min-width: 210px;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  background: var(--bg);
  overflow: hidden;
}

.sb-section {
  padding: 12px 10px 6px;
}

.sb-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text3);
  padding: 0 6px;
  margin-bottom: 4px;
}

.sb-new {
  width: 100%;
  padding: 7px 10px;
  background: none;
  border: 1px dashed var(--border2);
  border-radius: var(--radius);
  color: var(--text2);
  font-size: 12px;
  cursor: pointer;
  font-family: var(--font-sans);
  text-align: left;
  transition: all 0.15s;
}
.sb-new:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); }

.sb-pages { flex: 1; overflow-y: auto; padding: 4px 10px; }

.sb-page {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 6px 8px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 13px;
  color: var(--text2);
  border: 1px solid transparent;
  transition: all 0.12s;
  margin-bottom: 1px;
}
.sb-page:hover { color: var(--text); background: var(--bg3); }
.sb-page.active { color: var(--text); background: var(--bg3); border-color: var(--border2); }
.sb-page-icon { font-size: 11px; flex-shrink: 0; }
.sb-page-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; }
.sb-page-del {
  opacity: 0;
  font-size: 14px;
  color: var(--text3);
  cursor: pointer;
  padding: 0 2px;
  transition: opacity 0.1s, color 0.1s;
  background: none;
  border: none;
  font-family: var(--font-sans);
  line-height: 1;
}
.sb-page:hover .sb-page-del { opacity: 1; }
.sb-page-del:hover { color: var(--red); }

.sb-footer { padding: 10px; border-top: 1px solid var(--border); }
.sb-stats { font-size: 11px; color: var(--text3); text-align: center; }

/* ── Editor view ── */
#editor-view { flex: 1; display: flex; overflow: hidden; }

.editor-main { flex: 1; display: flex; flex-direction: column; overflow: hidden; }

.editor-header {
  padding: 14px 20px 10px;
  border-bottom: 1px solid var(--border);
}

.page-title-input {
  width: 100%;
  font-family: var(--font-serif);
  font-size: 26px;
  background: transparent;
  border: none;
  color: var(--text);
  outline: none;
  margin-bottom: 8px;
}
.page-title-input::placeholder { color: var(--text3); }

.editor-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 100px;
  background: var(--accent-glow);
  border: 1px solid rgba(124,109,250,0.25);
  color: var(--accent);
  cursor: default;
}
.tag-pill .rm { cursor: pointer; opacity: 0.6; font-size: 13px; line-height: 1; background: none; border: none; color: var(--accent); padding: 0; }
.tag-pill .rm:hover { opacity: 1; }

.tag-add-input {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 100px;
  background: transparent;
  border: 1px dashed var(--border2);
  color: var(--text2);
  outline: none;
  width: 80px;
  font-family: var(--font-sans);
  transition: border-color 0.15s;
}
.tag-add-input:focus { border-color: var(--accent); }

.save-indicator { font-size: 11px; color: var(--text3); margin-left: auto; }
.save-indicator.saved { color: var(--green); }

.editor-body { flex: 1; display: flex; overflow: hidden; }

textarea#note-content {
  flex: 1;
  padding: 20px;
  background: transparent;
  border: none;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.8;
  resize: none;
  outline: none;
}
textarea#note-content::placeholder { color: var(--text3); }

/* ── AI Panel ── */
#ai-panel {
  width: 300px;
  min-width: 300px;
  border-left: 1px solid var(--border);
  display: none;
  flex-direction: column;
  background: var(--bg);
}
#ai-panel.open { display: flex; }

.ai-header {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.ai-header-title { font-size: 13px; font-weight: 500; }
.ai-close {
  background: none;
  border: none;
  color: var(--text3);
  font-size: 18px;
  cursor: pointer;
  padding: 0;
  line-height: 1;
  font-family: var(--font-sans);
}
.ai-close:hover { color: var(--text); }

.ai-msgs { flex: 1; overflow-y: auto; padding: 12px; display: flex; flex-direction: column; gap: 10px; }

.ai-msg {
  padding: 9px 11px;
  border-radius: var(--radius);
  font-size: 13px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}
.ai-msg.user { background: var(--accent-glow); border: 1px solid rgba(124,109,250,0.2); color: var(--text); align-self: flex-end; max-width: 90%; }
.ai-msg.assistant { background: var(--bg3); border: 1px solid var(--border); color: var(--text); }
.ai-msg.system { background: var(--bg3); border: 1px solid var(--border); color: var(--text2); font-style: italic; font-size: 12px; }
.ai-msg.loading { color: var(--text3); font-style: italic; }

/* Ensure markdown elements inside AI messages look correct */
.ai-msg.assistant p { margin-bottom: 10px; }
.ai-msg.assistant p:last-child { margin-bottom: 0; }
.ai-msg.assistant ul, .ai-msg.assistant ol { margin-left: 20px; margin-bottom: 10px; }
.ai-msg.assistant code {
  background: var(--bg);
  padding: 2px 4px;
  border-radius: 4px;
  font-family: var(--font-mono);
}
.ai-msg.assistant pre {
  background: var(--bg);
  padding: 10px;
  border-radius: var(--radius);
  overflow-x: auto;
  margin-bottom: 10px;
}

.ai-action-btns { padding: 8px 12px; display: flex; flex-wrap: wrap; gap: 6px; border-top: 1px solid var(--border); }
.ai-quick-btn {
  font-size: 11px;
  padding: 4px 9px;
  border-radius: 100px;
  background: var(--bg3);
  border: 1px solid var(--border2);
  color: var(--text2);
  cursor: pointer;
  font-family: var(--font-sans);
  transition: all 0.15s;
}
.ai-quick-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); }

.ai-input-row {
  padding: 10px 12px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 8px;
  align-items: flex-end;
}
.ai-input-row textarea {
  flex: 1;
  padding: 8px 10px;
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 13px;
  outline: none;
  resize: none;
  min-height: 36px;
  max-height: 100px;
  line-height: 1.5;
  transition: border-color 0.15s;
}
.ai-input-row textarea:focus { border-color: var(--accent); }
.ai-send {
  padding: 8px 12px;
  background: var(--accent);
  border: none;
  border-radius: var(--radius);
  color: #fff;
  font-size: 14px;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: background 0.15s;
  align-self: flex-end;
  height: 36px;
}
.ai-send:hover { background: var(--accent2); }

/* ── Index view ── */
#index-view {
  flex: 1;
  padding: 24px 32px;
  overflow-y: auto;
  display: none;
}
#index-view.active { display: block; }

.view-title {
  font-family: var(--font-serif);
  font-size: 26px;
  color: var(--text);
  margin-bottom: 4px;
}
.view-sub { font-size: 13px; color: var(--text2); margin-bottom: 24px; }

.index-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.index-table th {
  text-align: left;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text3);
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  font-weight: 400;
}
.index-table td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text2);
}
.index-table tr:hover td { background: var(--bg3); }
.index-table td:first-child { color: var(--text); cursor: pointer; }
.index-table td:first-child:hover { color: var(--accent); }
.index-tags { display: flex; gap: 4px; flex-wrap: wrap; }
.index-tag {
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 100px;
  background: var(--accent-glow);
  color: var(--accent);
  border: 1px solid rgba(124,109,250,0.2);
}

/* ── Log view ── */
#log-view {
  flex: 1;
  padding: 24px 32px;
  overflow-y: auto;
  display: none;
}
#log-view.active { display: block; }

.log-entry {
  display: flex;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  animation: fadeUp 0.2s ease;
}
.log-time { color: var(--text3); white-space: nowrap; font-family: var(--font-mono); font-size: 11px; min-width: 130px; padding-top: 2px; }
.log-badge {
  font-size: 10px;
  padding: 2px 7px;
  border-radius: 100px;
  white-space: nowrap;
  height: fit-content;
  border: 1px solid transparent;
}
.log-badge.ingest { background: var(--blue-bg); color: var(--blue); border-color: rgba(96,168,240,0.2); }
.log-badge.edit { background: var(--green-bg); color: var(--green); border-color: rgba(61,186,126,0.2); }
.log-badge.query { background: var(--amber-bg); color: var(--amber); border-color: rgba(240,180,41,0.2); }
.log-badge.lint { background: var(--red-bg); color: var(--red); border-color: rgba(240,96,96,0.2); }
.log-badge.delete { background: var(--red-bg); color: var(--red); border-color: rgba(240,96,96,0.2); }
.log-text { color: var(--text2); flex: 1; }

/* ── Graph view ── */
#graph-view {
  flex: 1;
  overflow: hidden;
  display: none;
  flex-direction: column;
}
#graph-view.active { display: flex; }
#graph-canvas { flex: 1; cursor: grab; }
#graph-canvas:active { cursor: grabbing; }
.graph-toolbar {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--text2);
}
.graph-legend { display: flex; align-items: center; gap: 6px; }
.legend-dot { width: 10px; height: 10px; border-radius: 50%; }
.graph-info { margin-left: auto; font-size: 11px; color: var(--text3); }

/* ── Lint view ── */
#lint-view {
  flex: 1;
  padding: 24px 32px;
  overflow-y: auto;
  display: none;
}
#lint-view.active { display: block; }

.lint-run-btn {
  padding: 9px 18px;
  background: var(--accent);
  border: none;
  border-radius: var(--radius);
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  font-family: var(--font-sans);
  margin-bottom: 24px;
  transition: background 0.15s;
}
.lint-run-btn:hover { background: var(--accent2); }
.lint-run-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.lint-section { margin-bottom: 28px; }
.lint-section-title {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text3);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.lint-count {
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: 100px;
  padding: 1px 7px;
  font-size: 10px;
  color: var(--text2);
}
.lint-issue {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 14px;
  margin-bottom: 8px;
  font-size: 13px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.lint-icon { font-size: 14px; flex-shrink: 0; margin-top: 1px; }
.lint-body { flex: 1; }
.lint-title { color: var(--text); margin-bottom: 2px; }
.lint-detail { color: var(--text2); font-size: 12px; }
.lint-fix {
  font-size: 11px;
  padding: 3px 9px;
  border-radius: 100px;
  background: var(--bg3);
  border: 1px solid var(--border2);
  color: var(--text2);
  cursor: pointer;
  font-family: var(--font-sans);
  transition: all 0.15s;
  white-space: nowrap;
  margin-top: 4px;
  display: inline-block;
}
.lint-fix:hover { border-color: var(--accent); color: var(--accent); }

.lint-empty {
  text-align: center;
  padding: 40px;
  color: var(--text3);
  font-size: 13px;
}
.lint-empty-icon { font-size: 28px; margin-bottom: 8px; }

/* ── Toolbar buttons ── */
.ai-open-btn {
  padding: 5px 11px;
  background: var(--accent-glow);
  border: 1px solid rgba(124,109,250,0.3);
  border-radius: var(--radius);
  color: var(--accent);
  font-size: 12px;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: all 0.15s;
}
.ai-open-btn:hover { background: rgba(124,109,250,0.25); }

/* ── Empty state ── */
.empty-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text3);
  gap: 10px;
}
.empty-icon { font-size: 32px; }
.empty-label { font-size: 14px; color: var(--text2); }
.empty-hint { font-size: 12px; }

/* ── Animations ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Search Modal ── */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.8);
  z-index: 1000;
  display: flex; justify-content: center; padding-top: 100px;
}
.search-card {
  width: 500px; background: var(--bg2); 
  border: 1px solid var(--border2); border-radius: var(--radius-lg);
  padding: 15px; height: fit-content; max-height: 70vh; display: flex; flex-direction: column;
}
#global-search-input {
  width: 100%; padding: 12px; background: var(--bg3); border: 1px solid var(--accent);
  border-radius: var(--radius); color: var(--text); outline: none; font-size: 16px;
}
#search-results { margin-top: 10px; overflow-y: auto; }
.search-item {
  padding: 10px; border-bottom: 1px solid var(--border); cursor: pointer; border-radius: var(--radius);
}
.search-item:hover { background: var(--bg3); }
.search-item .title { color: var(--accent); font-weight: 500; }
.search-item .snippet { font-size: 11px; color: var(--text3); }

/* Mentions Panel */
#mentions-panel {
  width: 200px; border-left: 1px solid var(--border); 
  background: var(--bg); display: flex; flex-direction: column; font-size: 12px;
}
.mentions-header { padding: 10px; color: var(--text3); text-transform: uppercase; letter-spacing: 0.05em; font-size: 10px; border-bottom: 1px solid var(--border); }
#mentions-list { padding: 10px; overflow-y: auto; }
.mention-item {
  padding: 8px; border: 1px solid var(--border); border-radius: var(--radius);
  margin-bottom: 8px; cursor: pointer; background: var(--bg2);
}
.mention-item:hover { border-color: var(--accent); }