@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=JetBrains+Mono:wght@300;400;500;700&display=swap');

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

:root {
  --bg:        #020b12;
  --surface:   #041824;
  --surface-el:#062438;
  --border:    #0a3a52;
  --cyan:      #00f5ff;
  --pink:      #ff0090;
  --text:      #b0e4f0;
  --muted:     #5a8fa0;
  --gold:      #ffd700;
  --green:     #00e676;
  --blue:      #4a9eff;
  --purple:    #b06bff;
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --sidebar-w: 220px;
  --topbar-h:  50px;
  --statusbar-h: 28px;
}

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

/* ── Scanlines ──────────────────────────────────────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 245, 255, 0.012) 2px,
    rgba(0, 245, 255, 0.012) 4px
  );
}

/* ── Scrollbar ──────────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--surface); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: var(--cyan); }

/* ── Selection ──────────────────────────────────────────────────────────────── */
::selection { background: rgba(0, 245, 255, 0.18); color: var(--cyan); }

/* ══════════════════════════════════════════════════════════════════════════════
   LOGIN PAGE
══════════════════════════════════════════════════════════════════════════════ */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.login-wrap::before, .login-wrap::after {
  content: '';
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(120px);
}
.login-wrap::before {
  width: 600px; height: 600px;
  top: -200px; left: -200px;
  background: radial-gradient(circle, rgba(0,245,255,0.07) 0%, transparent 70%);
}
.login-wrap::after {
  width: 500px; height: 500px;
  bottom: -150px; right: -150px;
  background: radial-gradient(circle, rgba(255,0,144,0.06) 0%, transparent 70%);
}
.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 48px 40px;
  width: 100%;
  max-width: 400px;
  position: relative;
  box-shadow: 0 0 0 1px rgba(0,245,255,0.05), 0 20px 60px rgba(0,0,0,0.6), inset 0 1px 0 rgba(0,245,255,0.06);
}
.login-card::before {
  content: '';
  position: absolute;
  top: 0; left: 20px; right: 20px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0.4;
}
.login-icon { font-size: 28px; margin-bottom: 8px; display: block; }
.login-title {
  font-family: var(--font-mono);
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 32px;
}
.login-title span { color: var(--cyan); }
.field-label {
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--muted);
  display: block; margin-bottom: 8px;
}
.login-input {
  width: 100%;
  background: var(--surface-el);
  border: 1px solid var(--border); border-radius: 3px;
  padding: 12px 14px;
  font-family: var(--font-mono); font-size: 15px;
  color: var(--cyan); outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  caret-color: var(--cyan); letter-spacing: 0.05em;
}
.login-input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 2px rgba(0,245,255,0.1), 0 0 20px rgba(0,245,255,0.08);
}
.login-input::placeholder { color: var(--muted); }
.login-btn {
  margin-top: 20px; width: 100%; padding: 12px;
  background: transparent; border: 1px solid var(--cyan); border-radius: 3px;
  color: var(--cyan);
  font-family: var(--font-mono); font-size: 12px; font-weight: 500;
  letter-spacing: 0.15em; text-transform: uppercase;
  cursor: pointer; position: relative; overflow: hidden;
  transition: box-shadow 0.2s, background 0.2s;
}
.login-btn:hover {
  box-shadow: 0 0 20px rgba(0,245,255,0.35), 0 0 60px rgba(0,245,255,0.1);
  background: rgba(0,245,255,0.05);
}
.login-btn:active { transform: scale(0.99); }
.login-error {
  margin-top: 14px;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--pink); text-align: center;
  letter-spacing: 0.05em; min-height: 16px;
  opacity: 0; transition: opacity 0.2s;
}
.login-error.visible { opacity: 1; }
@keyframes glitch {
  0%   { transform: translate(0); }
  20%  { transform: translate(-2px, 1px); }
  40%  { transform: translate(2px, -1px); }
  60%  { transform: translate(-1px, 2px); }
  80%  { transform: translate(1px, -1px); }
  100% { transform: translate(0); }
}
.login-card.glitch { animation: glitch 0.4s ease; }

/* ══════════════════════════════════════════════════════════════════════════════
   APP LAYOUT
══════════════════════════════════════════════════════════════════════════════ */
.app-layout {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Topbar ─────────────────────────────────────────────────────────────────── */
.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 20px;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 200;
  box-shadow: 0 1px 0 rgba(0,245,255,0.04), 0 4px 20px rgba(0,0,0,0.4);
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

/* Logo button — Cyan, acts as sidebar toggle on mobile */
.topbar-logo {
  background: transparent;
  border: none;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
  text-shadow: 0 0 14px rgba(0,245,255,0.45);
  cursor: pointer;
  white-space: nowrap;
  transition: text-shadow 0.2s;
}
.topbar-logo:hover {
  text-shadow: 0 0 20px rgba(0,245,255,0.7);
}

/* Tab nav */
.tab-nav {
  display: flex;
  align-items: center;
  gap: 2px;
}
.tab-sep {
  color: var(--border);
  font-family: var(--font-mono);
  font-size: 14px;
  padding: 0 2px;
}
.tab-btn {
  background: transparent;
  border: 1px solid transparent;
  border-radius: 3px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: lowercase;
  padding: 4px 10px;
  cursor: pointer;
  transition: all 0.15s;
}
.tab-btn:hover { color: var(--text); border-color: var(--border); }
.tab-btn.active {
  color: var(--cyan);
  border-color: rgba(0,245,255,0.3);
  background: rgba(0,245,255,0.05);
}

.topbar-center {
  flex: 1;
  max-width: 440px;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

/* Icon buttons (upload / disconnect) */
.btn-icon {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 5px 11px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: border-color 0.2s, color 0.2s;
  white-space: nowrap;
}
.btn-icon:hover { border-color: var(--cyan); color: var(--cyan); }
.btn-disconnect:hover { border-color: var(--pink); color: var(--pink); }
.btn-icon-glyph { font-size: 13px; }

/* ── Status bar ─────────────────────────────────────────────────────────────── */
.statusbar {
  height: var(--statusbar-h);
  background: var(--bg);
  border-bottom: 1px solid rgba(10,58,82,0.5);
  display: flex;
  align-items: center;
  padding: 0 20px;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.1em;
  flex-shrink: 0;
}
.statusbar-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 5px var(--cyan);
  flex-shrink: 0;
  animation: pulse-dot 2.5s ease infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.35; }
}

/* ── Body layout ────────────────────────────────────────────────────────────── */
.body-layout {
  flex: 1;
  display: flex;
  min-height: 0;
  position: relative;
}

/* ── Sidebar overlay (mobile) ──────────────────────────────────────────────── */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  top: calc(var(--topbar-h) + var(--statusbar-h));
  background: rgba(2,11,18,0.75);
  backdrop-filter: blur(2px);
  z-index: 150;
}
.sidebar-overlay.open { display: block; }

/* ── Sidebar ────────────────────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex-shrink: 0;
  position: sticky;
  top: calc(var(--topbar-h) + var(--statusbar-h));
  height: calc(100vh - var(--topbar-h) - var(--statusbar-h));
}
.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px 10px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.sidebar-title {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}
.sidebar-close {
  display: none;
  background: transparent;
  border: none;
  color: var(--muted);
  font-size: 11px;
  cursor: pointer;
  padding: 2px 5px;
  transition: color 0.2s;
}
.sidebar-close:hover { color: var(--pink); }
.folder-tree {
  flex: 1;
  overflow-y: auto;
  padding: 6px 0;
}

/* ── Folder items ───────────────────────────────────────────────────────────── */
.folder-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  cursor: pointer;
  transition: background 0.12s, color 0.12s;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.03em;
  border-left: 2px solid transparent;
}
.folder-item:hover {
  background: rgba(0,245,255,0.035);
  color: var(--text);
}
.folder-item.active {
  background: rgba(0,245,255,0.05);
  color: var(--cyan);
  border-left-color: var(--cyan);
}

.folder-arrow {
  width: 10px;
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--cyan);
  display: inline-block;
}
.folder-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.folder-count {
  flex-shrink: 0;
  font-size: 9px;
  color: var(--muted);
  opacity: 0.7;
  letter-spacing: 0;
  font-family: var(--font-mono);
}
.folder-sep {
  height: 1px;
  background: var(--border);
  margin: 5px 10px;
  opacity: 0.4;
}
.loading-sidebar {
  display: flex;
  justify-content: center;
  padding: 24px;
}

/* ── Main ───────────────────────────────────────────────────────────────────── */
.main {
  flex: 1;
  min-width: 0;
  padding: 22px 26px;
  overflow-y: auto;
  max-height: calc(100vh - var(--topbar-h) - var(--statusbar-h));
}

/* ── Breadcrumb ─────────────────────────────────────────────────────────────── */
.breadcrumb {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.08em;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 2px;
}
.bc-root  { color: var(--muted); }
.bc-sep   { color: var(--border); margin: 0 3px; }
.bc-active { color: var(--cyan); }
.bc-search { color: var(--cyan); font-style: italic; }
.bc-link  { color: var(--muted); cursor: pointer; transition: color 0.15s; }
.bc-link:hover { color: var(--text); text-decoration: underline; }

/* ── Section header ─────────────────────────────────────────────────────────── */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.section-title {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--muted);
}
.section-title span {
  color: var(--cyan);
  margin-left: 6px;
  font-size: 9px;
}
.file-count {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.05em;
}

/* ── Search ─────────────────────────────────────────────────────────────────── */
.search-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.search-input {
  width: 100%;
  background: var(--surface-el);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 7px 28px 7px 30px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  caret-color: var(--cyan);
}
.search-input:focus {
  border-color: rgba(0,245,255,0.3);
  box-shadow: 0 0 0 2px rgba(0,245,255,0.05);
}
.search-input::placeholder { color: var(--muted); }
.search-icon {
  position: absolute;
  left: 9px;
  color: var(--muted);
  font-size: 12px;
  pointer-events: none;
}
.search-clear {
  display: none;
  position: absolute;
  right: 7px;
  background: transparent;
  border: none;
  color: var(--muted);
  font-size: 10px;
  cursor: pointer;
  padding: 2px 3px;
  transition: color 0.2s;
}
.search-clear:hover { color: var(--pink); }

/* ── File grid ──────────────────────────────────────────────────────────────── */
.file-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 10px;
  margin-bottom: 20px;
}

/* ── File card ──────────────────────────────────────────────────────────────── */
.file-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left-width: 3px;
  border-radius: 3px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 7px;
  transition: border-color 0.18s, box-shadow 0.18s, background 0.18s;
  position: relative;
}
.file-card.clickable { cursor: pointer; }
.file-card:hover {
  border-color: rgba(0,245,255,0.3);
  background: var(--surface-el);
  box-shadow: 0 0 16px rgba(0,245,255,0.06), 0 2px 12px rgba(0,0,0,0.25);
}

/* Type-based left borders */
.type-decision { border-left-color: var(--green);  }
.type-insight  { border-left-color: var(--gold);   }
.type-research { border-left-color: var(--blue);   }
.type-spec     { border-left-color: var(--purple); }
/* Default: matches hover border, not cyan (too loud) */
.file-card:not(.type-decision):not(.type-insight):not(.type-research):not(.type-spec) {
  border-left-color: var(--border);
}

.card-top {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.card-name {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  word-break: break-word;
  line-height: 1.4;
  flex: 1;
  text-transform: capitalize;
}
.card-badge {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 2px 5px;
  border-radius: 2px;
  text-transform: uppercase;
  margin-top: 2px;
}
.badge-md     { background: rgba(0,245,255,0.09);  color: var(--cyan);  border: 1px solid rgba(0,245,255,0.2); }
.badge-pdf    { background: rgba(255,0,144,0.09);  color: var(--pink);  border: 1px solid rgba(255,0,144,0.2); }
.badge-txt    { background: rgba(90,143,160,0.09); color: var(--muted); border: 1px solid rgba(90,143,160,0.2); }
.badge-upload { background: rgba(255,0,144,0.07); color: var(--pink);  border: 1px solid rgba(255,0,144,0.14); }

.card-meta-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.03em;
  flex-wrap: wrap;
}
.card-folder-path {
  color: var(--muted);
  opacity: 0.8;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 120px;
}
.card-meta-sep { opacity: 0.4; }
.card-date, .card-size { white-space: nowrap; }

.card-actions {
  display: flex;
  gap: 5px;
  margin-top: 2px;
}
.btn-action {
  flex: 1;
  padding: 5px 7px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.18s;
  text-align: center;
  border: 1px solid transparent;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.btn-preview {
  background: rgba(0,245,255,0.05);
  border-color: rgba(0,245,255,0.15);
  color: var(--cyan);
}
.btn-preview:hover {
  background: rgba(0,245,255,0.12);
  border-color: var(--cyan);
  box-shadow: 0 0 10px rgba(0,245,255,0.18);
}
.btn-no-preview {
  background: transparent; border-color: transparent;
  color: var(--muted); opacity: 0.35;
  cursor: default; pointer-events: none;
}
.btn-download {
  background: rgba(255,0,144,0.05);
  border-color: rgba(255,0,144,0.14);
  color: var(--pink);
}
.btn-download:hover {
  background: rgba(255,0,144,0.1);
  border-color: var(--pink);
  box-shadow: 0 0 10px rgba(255,0,144,0.18);
}

/* ── Upload drop zone ───────────────────────────────────────────────────────── */
.upload-drop-zone {
  position: relative;
  border: 1px dashed rgba(10,58,82,0.8);
  border-radius: 3px;
  padding: 14px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  margin-top: 4px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  align-items: center;
}
.upload-drop-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%; height: 100%;
}
.upload-drop-zone:hover,
.upload-drop-zone.drag-over {
  border-color: rgba(0,245,255,0.35);
  background: rgba(0,245,255,0.025);
}
.upload-drop-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.07em;
  opacity: 0.7;
}
.upload-drop-hint {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--muted);
  opacity: 0.4;
  letter-spacing: 0.04em;
}
.upload-drop-zone.drag-over .upload-drop-label { opacity: 1; color: var(--cyan); }

.upload-status {
  font-family: var(--font-mono);
  font-size: 10px;
  text-align: center;
  padding: 5px 0;
  min-height: 18px;
  letter-spacing: 0.06em;
  margin-top: 4px;
}
.upload-status.success { color: var(--cyan); }
.upload-status.error   { color: var(--pink); }

/* ── Preview modal ──────────────────────────────────────────────────────────── */
.preview-overlay {
  position: fixed;
  inset: 0;
  background: rgba(2,11,18,0.9);
  backdrop-filter: blur(5px);
  z-index: 500;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 32px 20px;
  overflow-y: auto;
}
.preview-overlay.open { display: flex; }

.preview-container {
  width: 80%;
  max-width: 900px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 0 0 1px rgba(0,245,255,0.04), 0 40px 80px rgba(0,0,0,0.7);
  display: flex;
  flex-direction: column;
  max-height: 90vh;
}
/* Fullscreen toggle */
.preview-container.fullscreen {
  position: fixed;
  inset: 0;
  width: 100vw;
  max-width: none;
  max-height: none;
  border-radius: 0;
  z-index: 510;
}

.preview-header {
  background: var(--surface-el);
  border-bottom: 1px solid var(--border);
  padding: 10px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-shrink: 0;
}
.preview-filename {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 0.05em;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.preview-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}
.btn-fullscreen {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}
.btn-fullscreen:hover { border-color: var(--cyan); color: var(--cyan); }
.preview-close {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 10px;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}
.preview-close:hover { border-color: var(--pink); color: var(--pink); }

.preview-body {
  padding: 36px 48px;
  overflow-y: auto;
  flex: 1;
}

/* ── Markdown content ───────────────────────────────────────────────────────── */
.md-content {
  color: var(--text);
  line-height: 1.8;
  max-width: 72ch;
  font-size: 14px;
}
.md-content h1 {
  font-family: var(--font-mono);
  font-size: 20px; color: var(--cyan);
  border-bottom: 1px solid var(--border);
  padding-bottom: 10px; margin: 0 0 22px;
  text-shadow: 0 0 20px rgba(0,245,255,0.2);
}
.md-content h2 { font-family: var(--font-mono); font-size: 15px; color: var(--cyan); opacity: 0.85; margin: 28px 0 12px; }
.md-content h3 { font-family: var(--font-mono); font-size: 13px; color: var(--text); margin: 20px 0 8px; }
.md-content h4, .md-content h5, .md-content h6 { font-family: var(--font-mono); color: var(--muted); margin: 16px 0 6px; }
.md-content p  { margin: 0 0 14px; }
.md-content a  { color: var(--cyan); text-decoration: none; border-bottom: 1px solid rgba(0,245,255,0.2); transition: border-color 0.2s; }
.md-content a:hover { border-color: var(--cyan); }
.md-content code {
  font-family: var(--font-mono); font-size: 12px;
  background: var(--surface-el); color: var(--pink);
  padding: 2px 6px; border-radius: 2px; border: 1px solid var(--border);
}
.md-content pre {
  background: var(--surface-el);
  border: 1px solid var(--border);
  border-left: 3px solid var(--cyan);
  border-radius: 3px;
  padding: 16px 20px;
  overflow-x: auto; margin: 0 0 16px;
}
.md-content pre code { background: none; border: none; padding: 0; color: var(--text); font-size: 12px; }
.md-content blockquote {
  border-left: 2px solid var(--cyan);
  margin: 0 0 14px; padding: 4px 16px;
  color: var(--muted); background: rgba(0,245,255,0.02);
}
.md-content ul, .md-content ol { margin: 0 0 14px; padding-left: 24px; }
.md-content li { margin-bottom: 4px; }
.md-content hr { border: none; border-top: 1px solid var(--border); margin: 24px 0; }
.md-content table { width: 100%; border-collapse: collapse; margin: 0 0 16px; font-size: 13px; }
.md-content th {
  background: var(--surface-el); color: var(--cyan);
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 8px 12px; border: 1px solid var(--border); text-align: left;
}
.md-content td { padding: 8px 12px; border: 1px solid var(--border); }
.md-content tr:hover td { background: rgba(0,245,255,0.02); }
.md-content img { max-width: 100%; border-radius: 3px; border: 1px solid var(--border); }
.md-content strong { color: var(--text); font-weight: 600; }
.md-content em { color: var(--muted); }

/* ── Empty state ────────────────────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  grid-column: 1 / -1;
}
.empty-state .empty-icon { font-size: 28px; margin-bottom: 10px; opacity: 0.3; }

/* ── Loading ────────────────────────────────────────────────────────────────── */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.15em;
  grid-column: 1 / -1;
}
.loading-dots span {
  display: inline-block;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--cyan);
  margin: 0 2px;
  animation: loading-blink 1.2s ease infinite;
}
.loading-dots span:nth-child(2) { animation-delay: 0.2s; }
.loading-dots span:nth-child(3) { animation-delay: 0.4s; }
@keyframes loading-blink {
  0%, 100% { opacity: 0.2; transform: scale(0.8); }
  50%       { opacity: 1;   transform: scale(1.2); box-shadow: 0 0 6px var(--cyan); }
}

/* ══════════════════════════════════════════════════════════════════════════════
   MIND VIEW
══════════════════════════════════════════════════════════════════════════════ */

/* Stats strip */
.mind-stats {
  display: flex;
  gap: 10px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}
.mind-stat {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.stat-val {
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
  display: block;
}
.stat-label {
  font-size: 9px;
  color: var(--muted);
  letter-spacing: 0.12em;
  display: block;
  margin-top: 2px;
}
.stat-decision .stat-val { color: var(--green); }
.stat-insight  .stat-val { color: var(--gold); }
.stat-research .stat-val { color: var(--blue); }
.stat-open     .stat-val { color: var(--muted); }

/* MIND layout */
.mind-layout {
  display: flex;
  gap: 20px;
  min-height: 0;
}

/* Venture sidebar */
.venture-list {
  width: 170px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.venture-section-label {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 4px 0 8px;
  opacity: 0.5;
}
.venture-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  padding: 9px 12px;
  cursor: pointer;
  transition: all 0.15s;
  text-align: left;
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  overflow: hidden;
}
.venture-btn:hover {
  color: var(--text);
  border-color: rgba(0,245,255,0.2);
  background: var(--surface-el);
}
.venture-btn.active {
  color: var(--cyan);
  border-color: rgba(0,245,255,0.35);
  background: rgba(0,245,255,0.05);
  border-left: 2px solid var(--cyan);
}
.venture-btn-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Status dot */
.venture-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dot-active  { background: var(--green);  box-shadow: 0 0 5px var(--green); }
.dot-blocked { background: var(--pink);   box-shadow: 0 0 5px var(--pink); }
.dot-idea    { background: var(--gold);   box-shadow: 0 0 4px var(--gold); }

/* Venture content */
.venture-content {
  flex: 1;
  min-width: 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.venture-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.venture-title {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-shadow: 0 0 16px rgba(0,245,255,0.25);
}
.venture-phase {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 10px;
  border: 1px solid;
}
.venture-phase.phase-active   { color: var(--cyan); border-color: rgba(0,245,255,0.3); background: rgba(0,245,255,0.06); }
.venture-phase.phase-blocked  { color: var(--pink); border-color: rgba(255,0,144,0.3); background: rgba(255,0,144,0.06); }
.venture-phase.phase-idea     { color: var(--muted); border-color: var(--border); background: transparent; }

/* Thread card */
.thread-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  transition: border-color 0.2s;
}
.thread-card:hover { border-color: rgba(0,245,255,0.2); }
.thread-header {
  padding: 14px 18px 12px;
  border-bottom: 1px solid var(--border);
}
.thread-question {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text);
  letter-spacing: 0.03em;
  margin-bottom: 9px;
}
.thread-question::before {
  content: '\21b3 ';
  color: var(--cyan);
  opacity: 0.5;
  font-size: 10px;
}

/* Stage flow */
.stage-flow {
  display: flex;
  align-items: center;
  gap: 3px;
  flex-wrap: wrap;
}
.stage-pill {
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 8px;
  border: 1px solid transparent;
  transition: all 0.15s;
}
.stage-pill.raw      { color: #8899aa; border-color: rgba(136,153,170,0.25); background: rgba(136,153,170,0.06); }
.stage-pill.research { color: var(--blue);  border-color: rgba(74,158,255,0.25); background: rgba(74,158,255,0.06); }
.stage-pill.insight  { color: var(--gold);  border-color: rgba(255,215,0,0.25);  background: rgba(255,215,0,0.06); }
.stage-pill.decision { color: var(--green); border-color: rgba(0,230,118,0.25);  background: rgba(0,230,118,0.06); }
.stage-pill.active-stage.raw      { color: #c0d4e0; border-color: rgba(136,153,170,0.6); background: rgba(136,153,170,0.12); box-shadow: 0 0 8px rgba(136,153,170,0.2); }
.stage-pill.active-stage.research { color: #7bbfff; border-color: rgba(74,158,255,0.7); background: rgba(74,158,255,0.1); box-shadow: 0 0 10px rgba(74,158,255,0.3); }
.stage-pill.active-stage.insight  { color: #ffe84d; border-color: rgba(255,215,0,0.7);  background: rgba(255,215,0,0.08); box-shadow: 0 0 10px rgba(255,215,0,0.3); }
.stage-pill.active-stage.decision { color: #4dffa0; border-color: rgba(0,230,118,0.7);  background: rgba(0,230,118,0.08); box-shadow: 0 0 12px rgba(0,230,118,0.35); }
.stage-arrow { color: var(--border); font-size: 10px; font-family: var(--font-mono); }

/* Thread nodes */
.thread-nodes {
  padding: 10px 18px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.node-row {
  border: 1px solid var(--border);
  border-radius: 3px;
  overflow: hidden;
  transition: border-color 0.15s;
}
.node-row:hover { border-color: rgba(0,245,255,0.15); }
.node-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--surface-el);
  border: none;
  cursor: pointer;
  text-align: left;
  transition: background 0.12s;
}
.node-toggle:hover { background: rgba(0,245,255,0.03); }
.node-type-badge {
  font-family: var(--font-mono);
  font-size: 7px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 7px;
  border: 1px solid transparent;
  flex-shrink: 0;
}
.node-type-badge.raw      { color: #8899aa; border-color: rgba(136,153,170,0.3); background: rgba(136,153,170,0.07); }
.node-type-badge.research { color: var(--blue);  border-color: rgba(74,158,255,0.3); background: rgba(74,158,255,0.07); }
.node-type-badge.insight  { color: var(--gold);  border-color: rgba(255,215,0,0.3);  background: rgba(255,215,0,0.07); }
.node-type-badge.decision { color: var(--green); border-color: rgba(0,230,118,0.3);  background: rgba(0,230,118,0.07); }
.node-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text);
  flex: 1;
  letter-spacing: 0.02em;
}
.node-chevron {
  font-size: 9px;
  color: var(--muted);
  transition: transform 0.18s;
  flex-shrink: 0;
}
.node-row.open .node-chevron { transform: rotate(90deg); color: var(--cyan); }
.node-details {
  display: none;
  padding: 10px 12px 12px;
  border-top: 1px solid var(--border);
  background: rgba(4,24,36,0.5);
}
.node-row.open .node-details { display: block; }
.node-content {
  font-size: 12px;
  color: var(--text);
  line-height: 1.7;
  margin-bottom: 8px;
}
.node-keydata {
  list-style: none; padding: 0; margin: 0 0 8px;
  display: flex; flex-direction: column; gap: 4px;
}
.node-keydata li {
  font-family: var(--font-mono); font-size: 11px; color: var(--cyan);
  padding: 4px 10px;
  background: rgba(0,245,255,0.03);
  border-left: 2px solid rgba(0,245,255,0.25);
  letter-spacing: 0.02em;
}
.node-keydata li::before { content: '\25b8 '; opacity: 0.5; }
.node-files-label {
  font-family: var(--font-mono); font-size: 9px; color: var(--muted);
  letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 5px;
}
.node-files { display: flex; flex-wrap: wrap; gap: 4px; }
.node-file-tag {
  font-family: var(--font-mono); font-size: 9px; color: var(--muted);
  background: rgba(10,58,82,0.4);
  border: 1px solid var(--border); border-radius: 2px;
  padding: 2px 7px; letter-spacing: 0.03em;
  transition: all 0.15s; cursor: default;
}
.node-file-tag:hover { color: var(--cyan); border-color: rgba(0,245,255,0.25); }
.node-certainty {
  font-family: var(--font-mono); font-size: 10px; color: var(--muted);
  margin-top: 7px; display: flex; align-items: center; gap: 7px;
}
.certainty-bar {
  flex: 1; max-width: 100px; height: 2px;
  background: var(--border); border-radius: 1px; overflow: hidden;
}
.certainty-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), rgba(0,245,255,0.4));
  border-radius: 1px;
}
.node-meta {
  font-family: var(--font-mono); font-size: 9px; color: var(--muted);
  margin-top: 7px; letter-spacing: 0.05em;
}
.node-meta span { color: var(--cyan); opacity: 0.7; }
.thread-next {
  margin: 0 18px 14px;
  padding: 9px 12px;
  background: rgba(255,0,144,0.03);
  border: 1px solid rgba(255,0,144,0.12);
  border-radius: 3px;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--pink); letter-spacing: 0.03em;
}
.thread-next::before { content: '\2192 '; opacity: 0.6; }

/* Cross insights */
.cross-insights {
  padding: 14px 18px;
  background: var(--surface);
  border: 1px solid var(--border); border-radius: 4px;
}
.cross-insights-title {
  font-family: var(--font-mono); font-size: 9px;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 10px;
}
.cross-insight-item {
  padding: 7px 10px; margin-bottom: 5px;
  border-left: 2px solid rgba(255,215,0,0.35);
  background: rgba(255,215,0,0.025);
  border-radius: 0 3px 3px 0;
  font-size: 12px; color: var(--text); line-height: 1.6;
}
.cross-insight-meta {
  font-family: var(--font-mono); font-size: 9px;
  color: var(--muted); margin-top: 3px;
}

/* MIND empty / loading */
.mind-empty {
  text-align: center; padding: 60px 20px;
  font-family: var(--font-mono); font-size: 12px;
  color: var(--muted); letter-spacing: 0.1em;
}
.mind-loading {
  display: flex; align-items: center; justify-content: center;
  gap: 8px; padding: 60px;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--muted); letter-spacing: 0.15em;
}

/* ── Content Search Snippets ────────────────────────────────────────────────── */
.search-content-indicator {
  display: none;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  background: rgba(0,245,255,0.07);
  border: 1px solid rgba(0,245,255,0.2);
  border-radius: 10px;
  padding: 2px 8px;
  white-space: nowrap;
  flex-shrink: 0;
}
.search-content-indicator.visible { display: flex; }

.search-snippet {
  background: rgba(4,24,36,0.7);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 8px 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  line-height: 1.7;
  margin-top: 2px;
  overflow: hidden;
}
.snippet-line {
  display: block;
  padding: 1px 0;
  white-space: pre-wrap;
  word-break: break-word;
}
.snippet-line.is-match {
  color: var(--text);
  background: rgba(0,245,255,0.04);
  border-radius: 2px;
  padding: 1px 4px;
  margin: 0 -4px;
}
.search-match {
  color: var(--cyan);
  font-weight: 600;
  text-shadow: 0 0 8px rgba(0,245,255,0.4);
}

/* ── MIND Editor Modals ──────────────────────────────────────────────────────── */
.mind-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(2,11,18,0.88);
  backdrop-filter: blur(4px);
  z-index: 600;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.mind-modal-overlay.open { display: flex; }

.mind-modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  width: 100%;
  max-width: 480px;
  box-shadow: 0 0 0 1px rgba(0,245,255,0.05), 0 30px 60px rgba(0,0,0,0.7);
  overflow: hidden;
  position: relative;
}
.mind-modal::before {
  content: '';
  position: absolute;
  top: 0; left: 20px; right: 20px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0.3;
}
.mind-modal-header {
  background: var(--surface-el);
  border-bottom: 1px solid var(--border);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.mind-modal-title {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cyan);
}
.mind-modal-close {
  background: transparent;
  border: none;
  color: var(--muted);
  font-size: 11px;
  cursor: pointer;
  padding: 2px 5px;
  transition: color 0.2s;
}
.mind-modal-close:hover { color: var(--pink); }

.mind-modal-body {
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.mind-field-label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: 5px;
}

.mind-input,
.mind-textarea,
.mind-select {
  width: 100%;
  background: var(--surface-el);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  caret-color: var(--cyan);
}
.mind-input:focus,
.mind-textarea:focus,
.mind-select:focus {
  border-color: rgba(0,245,255,0.35);
  box-shadow: 0 0 0 2px rgba(0,245,255,0.06);
}
.mind-input::placeholder,
.mind-textarea::placeholder { color: var(--muted); }
.mind-textarea {
  resize: vertical;
  min-height: 72px;
  line-height: 1.6;
}
.mind-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%235a8fa0'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 28px;
  cursor: pointer;
}

/* Type pill selector */
.type-pill-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.type-pill {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s;
  user-select: none;
}
.type-pill.raw      { color: #8899aa; border-color: rgba(136,153,170,0.3); background: rgba(136,153,170,0.06); }
.type-pill.research { color: var(--blue);  border-color: rgba(74,158,255,0.3); background: rgba(74,158,255,0.06); }
.type-pill.insight  { color: var(--gold);  border-color: rgba(255,215,0,0.3);  background: rgba(255,215,0,0.06); }
.type-pill.decision { color: var(--green); border-color: rgba(0,230,118,0.3);  background: rgba(0,230,118,0.06); }

.type-pill.raw.selected      { color: #c0d4e0; border-color: rgba(136,153,170,0.7); background: rgba(136,153,170,0.14); box-shadow: 0 0 10px rgba(136,153,170,0.2); }
.type-pill.research.selected { color: #7bbfff; border-color: rgba(74,158,255,0.8);  background: rgba(74,158,255,0.12); box-shadow: 0 0 10px rgba(74,158,255,0.3); }
.type-pill.insight.selected  { color: #ffe84d; border-color: rgba(255,215,0,0.8);   background: rgba(255,215,0,0.1);  box-shadow: 0 0 10px rgba(255,215,0,0.3); }
.type-pill.decision.selected { color: #4dffa0; border-color: rgba(0,230,118,0.8);   background: rgba(0,230,118,0.1);  box-shadow: 0 0 12px rgba(0,230,118,0.35); }

/* Save button */
.mind-save-btn {
  width: 100%;
  padding: 11px;
  background: rgba(0,245,255,0.06);
  border: 1px solid rgba(0,245,255,0.35);
  border-radius: 3px;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s;
  margin-top: 4px;
}
.mind-save-btn:hover {
  background: rgba(0,245,255,0.12);
  box-shadow: 0 0 20px rgba(0,245,255,0.25);
}
.mind-save-btn:active { transform: scale(0.99); }
.mind-save-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Add buttons inside MIND view */
.mind-add-btn {
  background: transparent;
  border: 1px dashed rgba(0,245,255,0.2);
  border-radius: 3px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 10px;
  cursor: pointer;
  transition: all 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.mind-add-btn:hover {
  color: var(--cyan);
  border-color: rgba(0,245,255,0.45);
  background: rgba(0,245,255,0.04);
}

.thread-footer {
  padding: 8px 18px 10px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  border-top: 1px solid rgba(10,58,82,0.4);
  gap: 8px;
}

/* Inline editable next step */
.thread-next[contenteditable="true"] {
  outline: none;
  border-color: rgba(255,0,144,0.35);
  box-shadow: 0 0 0 2px rgba(255,0,144,0.08);
  cursor: text;
}
.thread-next-wrap {
  margin: 0 18px 0;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.thread-next-edit-hint {
  font-family: var(--font-mono);
  font-size: 8px;
  color: var(--muted);
  opacity: 0.4;
  margin-top: 2px;
  flex-shrink: 0;
  white-space: nowrap;
}

/* Venture add thread btn in venture header */
.venture-add-thread-btn {
  background: transparent;
  border: 1px dashed rgba(0,245,255,0.2);
  border-radius: 3px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 9px;
  cursor: pointer;
  transition: all 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
.venture-add-thread-btn:hover {
  color: var(--cyan);
  border-color: rgba(0,245,255,0.45);
  background: rgba(0,245,255,0.04);
}

/* Certainty input field hint */
.certainty-hint {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--muted);
  opacity: 0.6;
  display: none;
  margin-top: 3px;
}
.certainty-hint.visible { display: block; }

/* ── Inline Editor ──────────────────────────────────────────────────────────── */
.preview-edit-btn {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}
.preview-edit-btn:hover { border-color: var(--cyan); color: var(--cyan); }
.preview-edit-btn.active { border-color: var(--cyan); color: var(--cyan); background: rgba(0,245,255,0.07); }

.preview-save-btn {
  background: rgba(0,245,255,0.08);
  border: 1px solid rgba(0,245,255,0.45);
  border-radius: 3px;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  cursor: pointer;
  transition: all 0.2s;
}
.preview-save-btn:hover {
  background: rgba(0,245,255,0.16);
  box-shadow: 0 0 12px rgba(0,245,255,0.2);
}

.preview-cancel-btn {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}
.preview-cancel-btn:hover { border-color: var(--pink); color: var(--pink); }

.preview-textarea {
  width: 100%;
  height: 100%;
  min-height: 400px;
  background: var(--surface);
  border: 1px solid var(--cyan);
  border-radius: 3px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  padding: 16px;
  outline: none;
  resize: none;
  caret-color: var(--cyan);
  box-sizing: border-box;
  flex: 1;
  display: block;
}
.preview-textarea:focus {
  box-shadow: 0 0 0 2px rgba(0,245,255,0.1);
}

/* ── Toast ──────────────────────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9000;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 9px 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.07em;
  box-shadow: 0 4px 24px rgba(0,0,0,0.5);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  pointer-events: none;
}
.toast.show {
  opacity: 1;
  transform: translateY(0);
}
.toast.success {
  color: var(--cyan);
  border-color: rgba(0,245,255,0.35);
  background: rgba(4,24,36,0.97);
}
.toast.error {
  color: var(--pink);
  border-color: rgba(255,0,144,0.35);
  background: rgba(4,24,36,0.97);
}

/* ── Responsive ─────────────────────────────────────────────────────────────── */
@media (min-width: 769px) {
  .sidebar-close { display: none !important; }
  .sidebar-overlay { display: none !important; }
}

@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    top: calc(var(--topbar-h) + var(--statusbar-h));
    left: 0; bottom: 0;
    height: auto;
    z-index: 160;
    transform: translateX(-100%);
    transition: transform 0.22s ease;
    box-shadow: 4px 0 24px rgba(0,0,0,0.5);
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar-close { display: block !important; }
  .topbar-center { max-width: none; }
  .main { padding: 14px 16px; max-height: none; }
  .file-grid { grid-template-columns: 1fr; }
  .preview-container { width: 100%; }
  .preview-body { padding: 20px 16px; }
  .topbar { padding: 0 12px; }
  .mind-layout { flex-direction: column; }
  .venture-list { width: 100%; flex-direction: row; flex-wrap: wrap; gap: 5px; }
  .venture-btn { flex: 1; min-width: 110px; }
  .mind-stats { gap: 6px; }
  .mind-stat { padding: 6px 10px; }
}

@media (max-width: 480px) {
  .btn-label { display: none; }
  .topbar-logo { font-size: 11px; }
  .preview-header { flex-wrap: wrap; }
  .btn-fullscreen { display: none; }
}