/* ==========================================================================
   MegaMind Memory — brain.css  (page file stays brain.css; copy is "Memory")
   SAX Workbench v5 design language (Sora / Inter / JetBrains Mono /
   Source Serif 4, gold accent, warm charcoal).
   §G (ADDENDUM-13): this page is ALWAYS dark — the permanent galaxy palette
   below ignores the shared theme setting entirely. No light variant, no
   [data-theme] switching.
   Self-contained on purpose: index.html's styles.css is owned by another
   builder and may change underneath us.
   ========================================================================== */

:root {
  --bg: #14120e;
  --bg-deep: #0c0b08;
  --surface: rgba(26, 24, 19, 0.62);
  --surface-solid: #1d1b15;
  --surface-2: #262219;
  --hairline: rgba(247, 243, 237, 0.09);
  --hairline-strong: rgba(247, 243, 237, 0.18);
  --text: #f4efe3;
  --text-2: #b8b0a0;
  --text-3: #7a7468;
  --gold: #d9b057;
  --gold-2: #f0c875;
  --gold-soft: rgba(217, 176, 87, 0.10);
  --gold-edge: rgba(217, 176, 87, 0.36);
  --rose: #fc8b9c;
  --green: #46e0a1;
  --glass-blur: 14px;
  --r: 12px; --r-sm: 7px; --r-lg: 18px;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-display: 'Sora', sans-serif;
  --font-serif: 'Source Serif 4', Georgia, serif;
  --font-mono: 'JetBrains Mono', monospace;
  --shadow: 0 14px 44px rgba(0, 0, 0, 0.5);
  --tip-bg: rgba(18, 16, 12, 0.9);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; padding: 0; height: 100%; overflow: hidden; }
body {
  font-family: var(--font-body); font-size: 14px; line-height: 1.5;
  color: var(--text);
  background:
    radial-gradient(1100px 700px at 70% -10%, var(--gold-soft), transparent 60%),
    radial-gradient(900px 900px at 12% 110%, rgba(34, 211, 238, 0.05), transparent 55%),
    radial-gradient(circle at 50% 45%, var(--bg) 0%, var(--bg-deep) 100%);
  -webkit-font-smoothing: antialiased;
  transition: background 0.4s, color 0.3s;
}
.mono { font-family: var(--font-mono); }
button { font: inherit; color: inherit; }

/* ============ GRAPH CANVAS ============ */
#graph3d { position: fixed; inset: 0; z-index: 0; }
#graph3d canvas { outline: none; }
.vignette {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  background: radial-gradient(120% 95% at 50% 45%, transparent 55%, rgba(0, 0, 0, 0.0) 70%, rgba(0, 0, 0, 0.28) 100%);
  opacity: 1; /* always on — the page is permanently dark (§G) */
}

/* hover tooltip injected by 3d-force-graph */
.scene-tooltip { pointer-events: none; }
.node-tip {
  max-width: 280px;
  background: var(--tip-bg);
  border: 1px solid color-mix(in srgb, var(--c, var(--gold)) 45%, transparent);
  border-left: 3px solid var(--c, var(--gold));
  border-radius: var(--r-sm);
  padding: 9px 12px;
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35), 0 0 24px color-mix(in srgb, var(--c, var(--gold)) 18%, transparent);
  color: var(--text);
  font-family: var(--font-body);
}
.node-tip .tip-cat { font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--c, var(--gold)); margin-bottom: 3px; }
.node-tip .tip-label { font-family: var(--font-display); font-size: 13px; font-weight: 600; margin-bottom: 3px; }
.node-tip .tip-content { font-size: 11.5px; line-height: 1.45; color: var(--text-2); }

/* ============ GLASS PRIMITIVES ============ */
.glass {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--r);
  backdrop-filter: blur(var(--glass-blur)); -webkit-backdrop-filter: blur(var(--glass-blur));
  box-shadow: var(--shadow);
}

/* ============ TOPBAR ============ */
.topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 40;
  display: flex; align-items: center; gap: 14px;
  padding: 14px 20px;
  pointer-events: none;
}
.topbar > * { pointer-events: auto; }
.back-link {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-2); text-decoration: none;
  padding: 7px 12px; border-radius: 100px;
  background: var(--surface); border: 1px solid var(--hairline);
  backdrop-filter: blur(var(--glass-blur)); -webkit-backdrop-filter: blur(var(--glass-blur));
  transition: all 0.15s;
}
.back-link:hover { color: var(--text); border-color: var(--gold-edge); background: var(--gold-soft); }
.back-link svg { width: 12px; height: 12px; }

.brand { display: flex; align-items: center; gap: 11px; }

/* ---- Brand mark: the MegaMind cloud-robot face (CONTRACT ADDENDUM 6) ---- */
.brand-mark {
  width: 28px; height: 28px; border-radius: 8px;
  background: linear-gradient(135deg, var(--gold), var(--gold-2)); color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 18px color-mix(in srgb, var(--gold) 40%, transparent);
}
.brand-mark.face-mark {
  background: #0B1B33; /* logo deep-navy plate */
  box-shadow: 0 0 18px color-mix(in srgb, #4FA8FF 35%, transparent);
  overflow: hidden;
  flex: none; /* keep the face square when the topbar squeezes (mobile) */
}
.brand-mark.face-mark img {
  width: 100%; height: 100%; display: block;
  object-fit: cover; border-radius: inherit;
}
.brand:hover .face-mark { box-shadow: 0 0 22px color-mix(in srgb, #4FA8FF 55%, transparent); }
.brand-name { font-family: var(--font-display); font-size: 14px; font-weight: 600; line-height: 1.1; }
.brand-name .sub { display: block; font-family: var(--font-mono); font-size: 8.5px; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.16em; font-weight: 400; margin-top: 2px; }

.top-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.pill {
  display: inline-flex; align-items: center; gap: 7px;
  height: 32px; padding: 0 13px; border-radius: 100px;
  background: var(--surface); border: 1px solid var(--hairline);
  backdrop-filter: blur(var(--glass-blur)); -webkit-backdrop-filter: blur(var(--glass-blur));
  color: var(--text-2); font-size: 12px; cursor: pointer; transition: all 0.15s;
}
.pill:hover { color: var(--text); border-color: var(--gold-edge); background: var(--gold-soft); }
.pill.icon-only { width: 32px; padding: 0; justify-content: center; }
.pill svg { width: 13px; height: 13px; }
.pill .live-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px var(--green); animation: pulse-dot 1.8s ease-in-out infinite; }
@keyframes pulse-dot { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
.pill[disabled] { opacity: 0.45; pointer-events: none; }
#emailLabel { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.02em; max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.email-pick { position: relative; }
.email-pop {
  position: absolute; top: 40px; right: 0; width: 280px; z-index: 60;
  background: var(--surface); border: 1px solid var(--hairline-strong); border-radius: var(--r);
  backdrop-filter: blur(var(--glass-blur)); -webkit-backdrop-filter: blur(var(--glass-blur));
  box-shadow: var(--shadow);
  padding: 14px; display: flex; flex-direction: column; gap: 9px;
  animation: pop-in 0.18s ease;
}
@keyframes pop-in { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
.pop-label { font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-3); }

/* ============ FORM PRIMITIVES ============ */
.f-input, .email-pop input {
  width: 100%; background: var(--surface-2); border: 1px solid var(--hairline);
  border-radius: var(--r-sm); color: var(--text);
  font: inherit; font-size: 12.5px; padding: 8px 10px; outline: none;
  transition: border-color 0.15s;
}
.f-input:focus, .email-pop input:focus { border-color: var(--gold-edge); }
textarea.f-input { resize: vertical; line-height: 1.5; min-height: 80px; }
.btn-gold {
  background: linear-gradient(180deg, var(--gold), var(--gold-2)); color: #fff;
  border: none; border-radius: var(--r-sm); padding: 8px 14px;
  font-size: 12px; font-weight: 600; cursor: pointer; transition: filter 0.15s, transform 0.1s;
}
.btn-gold:hover { filter: brightness(1.08); }
.btn-gold:active { transform: scale(0.98); }
.btn-gold[disabled] { opacity: 0.5; pointer-events: none; }
.btn-danger {
  background: transparent; color: var(--rose); border: 1px solid color-mix(in srgb, var(--rose) 45%, transparent);
  border-radius: var(--r-sm); padding: 8px 14px; font-size: 12px; font-weight: 600; cursor: pointer; transition: all 0.15s;
}
.btn-danger:hover { background: color-mix(in srgb, var(--rose) 12%, transparent); }
.btn-danger.confirming { background: var(--rose); color: #fff; border-color: var(--rose); }
.x {
  width: 24px; height: 24px; border: none; background: transparent; color: var(--text-3);
  border-radius: 6px; cursor: pointer; font-size: 16px; line-height: 1;
  display: flex; align-items: center; justify-content: center;
}
.x:hover { background: var(--surface-2); color: var(--text); }

/* ============ FAMILIARITY METER (§M: click → narrative panel) ============ */
.meter {
  position: fixed; top: 14px; left: 50%; transform: translateX(-50%); z-index: 30;
  width: 184px; text-align: center; pointer-events: auto; cursor: pointer;
  padding: 12px 12px 11px;
  background: var(--surface); border: 1px solid var(--hairline); border-radius: var(--r-lg);
  backdrop-filter: blur(var(--glass-blur)); -webkit-backdrop-filter: blur(var(--glass-blur));
  box-shadow: var(--shadow), 0 0 calc(50px * var(--g, 0)) color-mix(in srgb, var(--gold) calc(34% * var(--g, 0)), transparent);
  transition: box-shadow 0.8s, border-color 0.15s;
}
.meter:hover { border-color: var(--gold-edge); }
.meter:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
.meter-info {
  position: absolute; top: 9px; right: 9px; z-index: 2; pointer-events: auto;
  width: 18px; height: 18px; border-radius: 50%; cursor: pointer;
  border: 1px solid var(--hairline-strong); background: var(--surface-2);
  color: var(--text-3); font-family: var(--font-mono); font-size: 10px; font-weight: 600;
  display: flex; align-items: center; justify-content: center; line-height: 1;
  transition: all 0.15s;
}
.meter-info:hover { color: var(--gold); border-color: var(--gold-edge); background: var(--gold-soft); }
.meter svg { width: 116px; height: 116px; display: block; margin: 0 auto; overflow: visible; }
.gauge-track { fill: none; stroke: var(--hairline-strong); stroke-width: 6; stroke-linecap: round; }
.gauge-fill {
  fill: none; stroke: url(#meterGrad); stroke-width: 6; stroke-linecap: round;
  stroke-dasharray: 235.62; stroke-dashoffset: 235.62;
  filter: drop-shadow(0 0 calc(9px * var(--g, 0) + 1px) color-mix(in srgb, var(--gold) 65%, transparent));
}
.meter-read {
  position: absolute; top: 48px; left: 0; right: 0;
  font-family: var(--font-display); font-size: 30px; font-weight: 300; letter-spacing: -0.02em;
  color: var(--text);
}
.meter-read .pct-sign { font-size: 14px; color: var(--text-3); margin-left: 1px; }
.meter-stage {
  margin-top: -22px;
  font-family: var(--font-serif); font-style: italic; font-size: 15px; font-weight: 600;
  background: linear-gradient(100deg, var(--gold), #34d399 70%, #22d3ee);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  filter: brightness(calc(0.95 + var(--g, 0) * 0.35));
}
.meter-stage.max { animation: stage-shimmer 2.4s ease-in-out infinite; }
@keyframes stage-shimmer { 0%, 100% { filter: brightness(1.1); } 50% { filter: brightness(1.55); } }
.meter-blurb { margin-top: 5px; font-size: 10.5px; line-height: 1.4; color: var(--text-2); padding: 0 2px; }
.meter-sub { margin-top: 6px; font-family: var(--font-mono); font-size: 8px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-3); }

/* ============ LEFT SIDEBAR: search + knowledge categories (§G) ============ */
.sidebar {
  position: fixed; top: 66px; left: 20px; z-index: 30; width: 274px;
  display: flex; flex-direction: column; gap: 10px;
  max-height: calc(100vh - 66px - 196px); /* leave the bottom-left to the feed */
}
.search-row {
  display: flex; align-items: center; gap: 8px; flex-shrink: 0;
  background: var(--surface); border: 1px solid var(--hairline); border-radius: 100px;
  backdrop-filter: blur(var(--glass-blur)); -webkit-backdrop-filter: blur(var(--glass-blur));
  padding: 7px 13px; transition: border-color 0.15s;
}
.search-row:focus-within { border-color: var(--gold-edge); }
.search-row svg { width: 13px; height: 13px; color: var(--text-3); flex-shrink: 0; }
.search-row input { flex: 1; min-width: 0; background: transparent; border: none; outline: none; color: var(--text); font: inherit; font-size: 12.5px; }
.search-row input::placeholder { color: var(--text-3); }
.search-row .count { font-family: var(--font-mono); font-size: 9.5px; color: var(--gold); flex-shrink: 0; }

.side-panel {
  display: flex; flex-direction: column; min-height: 0;
  background: var(--surface); border: 1px solid var(--hairline); border-radius: var(--r);
  backdrop-filter: blur(var(--glass-blur)); -webkit-backdrop-filter: blur(var(--glass-blur));
  box-shadow: var(--shadow);
  padding: 12px 0 6px;
}
.side-h {
  font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--text-3); padding: 0 15px 9px; flex-shrink: 0;
}
.side-cats { overflow-y: auto; min-height: 0; padding: 0 6px 6px; scrollbar-width: thin; }
.side-empty { font-size: 12px; line-height: 1.55; color: var(--text-3); padding: 4px 10px 8px; }

.side-cat { border-radius: var(--r-sm); }
.side-cat + .side-cat { margin-top: 2px; }
.side-cat-btn {
  display: flex; align-items: center; gap: 9px; width: 100%; text-align: left;
  padding: 8px 9px; background: none; border: none; border-radius: var(--r-sm);
  cursor: pointer; transition: background 0.15s;
}
.side-cat-btn:hover { background: var(--gold-soft); }
.side-cat-btn:focus-visible { outline: 2px solid var(--gold); outline-offset: -2px; }
.side-cat .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--c, var(--gold)); box-shadow: 0 0 10px var(--c, var(--gold)); flex-shrink: 0; }
.side-cat-name {
  font-family: var(--font-display); font-size: 12.5px; font-weight: 600; color: var(--text);
  flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.side-cat-n {
  font-size: 9.5px; color: var(--text-3); flex-shrink: 0;
  background: var(--surface-2); border: 1px solid var(--hairline); border-radius: 100px;
  padding: 1px 7px;
}
.side-cat .chev { width: 13px; height: 13px; color: var(--text-3); flex-shrink: 0; transition: transform 0.2s; }
.side-cat.open .chev { transform: rotate(180deg); }
.side-cat.open { background: color-mix(in srgb, var(--c, var(--gold)) 7%, transparent); }
.side-cat.open .side-cat-name { color: var(--gold-2); }
.side-cat-body { padding: 1px 11px 11px 29px; }
.side-narr { font-size: 12.5px; line-height: 1.6; color: var(--text-2); }
.side-narr p { margin: 0 0 8px; }
.side-narr p:last-child { margin-bottom: 0; }
.side-narr h1, .side-narr h2, .side-narr h3 { font-family: var(--font-display); font-size: 12.5px; color: var(--text); margin: 10px 0 5px; }
.side-narr ul, .side-narr ol { margin: 0 0 8px; padding-left: 16px; }
.side-narr b, .side-narr strong { color: var(--text); }
.side-narr .narr-note { font-size: 12px; padding: 2px 0; }

/* ============ ACTIVITY FEED ============ */
.feed { position: fixed; left: 20px; bottom: 20px; z-index: 30; width: 264px; pointer-events: none; }
.feed-h { font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-3); margin: 0 4px 7px; }
.feed-list { display: flex; flex-direction: column; gap: 6px; }
.feed-item {
  display: flex; gap: 9px; align-items: flex-start;
  background: var(--surface); border: 1px solid var(--hairline); border-radius: var(--r-sm);
  backdrop-filter: blur(var(--glass-blur)); -webkit-backdrop-filter: blur(var(--glass-blur));
  padding: 8px 11px;
  animation: feed-in 0.45s cubic-bezier(0.22, 1.4, 0.36, 1);
  transition: opacity 0.4s, transform 0.4s;
}
@keyframes feed-in { from { opacity: 0; transform: translateX(-22px); } to { opacity: 1; transform: none; } }
.feed-item.leaving { opacity: 0; transform: translateX(-14px); }
.feed-item .f-dot { width: 8px; height: 8px; border-radius: 50%; margin-top: 4px; flex-shrink: 0; box-shadow: 0 0 9px currentColor; }
.feed-item .f-k { font-family: var(--font-mono); font-size: 8.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-3); }
.feed-item .f-k b { color: var(--gold); font-weight: 600; }
.feed-item .f-k b.forgot { color: var(--rose); }
.feed-item .f-t { font-size: 12px; color: var(--text); margin-top: 1px; line-height: 1.35; overflow-wrap: break-word; }

/* ============ BIRTH FX (callout + spawn ring) ============ */
.callout {
  position: fixed; left: 0; top: 0; z-index: 35; pointer-events: none;
  padding: 5px 11px; border-radius: 100px; white-space: nowrap;
  background: var(--tip-bg); border: 1px solid color-mix(in srgb, var(--c, var(--gold)) 55%, transparent);
  box-shadow: 0 0 20px color-mix(in srgb, var(--c, var(--gold)) 30%, transparent);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  font-size: 11.5px; color: var(--text);
  animation: callout-in 0.35s cubic-bezier(0.22, 1.5, 0.36, 1);
  max-width: 280px; overflow: hidden; text-overflow: ellipsis;
}
.callout .ck { font-family: var(--font-mono); font-size: 8.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--c, var(--gold)); margin-right: 6px; }
.callout.out { opacity: 0; transition: opacity 0.35s; }
@keyframes callout-in { from { opacity: 0; transform: scale(0.6); } }
.spawn-ring {
  position: fixed; left: 0; top: 0; z-index: 34; pointer-events: none;
  width: 14px; height: 14px; margin: -7px 0 0 -7px; border-radius: 50%;
  border: 2px solid var(--c, var(--gold));
  box-shadow: 0 0 18px var(--c, var(--gold)), inset 0 0 10px color-mix(in srgb, var(--c, var(--gold)) 60%, transparent);
  animation: ring-out 0.85s ease-out forwards;
}
@keyframes ring-out { from { transform: scale(0.4); opacity: 1; } to { transform: scale(5.2); opacity: 0; } }

/* ============ EDIT PANEL ============ */
.edit {
  position: fixed; top: 66px; right: 20px; z-index: 45; width: 320px;
  background: var(--surface); border: 1px solid var(--hairline-strong); border-radius: var(--r-lg);
  backdrop-filter: blur(var(--glass-blur)); -webkit-backdrop-filter: blur(var(--glass-blur));
  box-shadow: var(--shadow);
  padding: 16px; display: flex; flex-direction: column; gap: 8px;
  animation: edit-in 0.28s cubic-bezier(0.22, 1.2, 0.36, 1);
}
@keyframes edit-in { from { opacity: 0; transform: translateX(26px); } to { opacity: 1; transform: none; } }
.edit-h { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; }
.cat-tag {
  font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--c, var(--gold));
  border: 1px solid color-mix(in srgb, var(--c, var(--gold)) 45%, transparent);
  background: color-mix(in srgb, var(--c, var(--gold)) 10%, transparent);
  padding: 3px 9px; border-radius: 100px;
}
.edit-h .x { margin-left: auto; }
.f-lbl { font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-3); margin-top: 5px; }
.edit-meta { font-family: var(--font-mono); font-size: 9.5px; color: var(--text-3); letter-spacing: 0.04em; margin-top: 8px; }
.edit-actions { display: flex; justify-content: space-between; gap: 8px; margin-top: 10px; }
.edit-actions .btn-gold { flex: 1; }

/* ============ NARRATIVE PANEL (§M: the story so far) ============ */
.narr {
  position: fixed; top: 66px; right: 20px; z-index: 45;
  width: min(420px, calc(100vw - 40px));
  max-height: calc(100vh - 160px);
  display: flex; flex-direction: column;
  background: var(--surface); border: 1px solid var(--hairline-strong); border-radius: var(--r-lg);
  backdrop-filter: blur(var(--glass-blur)); -webkit-backdrop-filter: blur(var(--glass-blur));
  box-shadow: var(--shadow), 0 0 50px color-mix(in srgb, var(--gold) 14%, transparent);
  padding: 18px 20px 16px;
  animation: edit-in 0.28s cubic-bezier(0.22, 1.2, 0.36, 1);
}
.narr-h { display: flex; align-items: center; gap: 8px; }
.narr-h .x { margin-left: auto; }
.narr-eyebrow { font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold); }
.narr-title { font-family: var(--font-serif); font-style: italic; font-size: 20px; font-weight: 600; margin: 6px 0 10px; color: var(--text); }
.narr-body { overflow-y: auto; font-size: 13.5px; line-height: 1.65; color: var(--text-2); padding-right: 4px; }
.narr-body p { margin: 0 0 10px; }
.narr-body p:last-child { margin-bottom: 0; }
.narr-body h1, .narr-body h2, .narr-body h3 { font-family: var(--font-display); font-size: 14px; color: var(--text); margin: 14px 0 6px; }
.narr-body ul, .narr-body ol { margin: 0 0 10px; padding-left: 18px; }
.narr-body b, .narr-body strong { color: var(--text); }
.narr-body a { color: var(--gold); }
.narr-note { font-size: 13px; line-height: 1.6; color: var(--text-2); padding: 6px 0; }
.narr-retry {
  display: inline-block; margin-left: 6px; cursor: pointer;
  background: transparent; border: 1px solid var(--gold-edge); border-radius: 100px;
  color: var(--gold); font-size: 11.5px; font-weight: 600; padding: 3px 11px;
  transition: all 0.15s;
}
.narr-retry:hover { background: var(--gold-soft); }
.narr-skel { display: flex; flex-direction: column; gap: 9px; padding: 4px 0; }
.narr-skel span {
  display: block; height: 12px; border-radius: 6px;
  background: linear-gradient(90deg, var(--surface-2) 25%, var(--hairline-strong) 50%, var(--surface-2) 75%);
  background-size: 200% 100%;
  animation: skel-sweep 1.3s ease-in-out infinite;
}
.narr-skel span:nth-child(2) { width: 92%; }
.narr-skel span:nth-child(3) { width: 84%; }
.narr-skel span:nth-child(4) { width: 60%; }
.narr-skel.small { gap: 7px; padding: 2px 0; }
.narr-skel.small span { height: 8px; }
@keyframes skel-sweep { 0% { background-position: 180% 0; } 100% { background-position: -20% 0; } }

/* ============ CHAT DOCK ============ */
.fab-orb {
  width: 18px; height: 18px; border-radius: 50%; flex-shrink: 0;
  background: radial-gradient(circle at 32% 30%, #22d3ee, var(--gold) 55%, var(--gold-2));
  box-shadow: 0 0 14px color-mix(in srgb, var(--gold) 60%, transparent);
  animation: orb-breathe 2.6s ease-in-out infinite;
}
.fab-orb.small { width: 14px; height: 14px; }
@keyframes orb-breathe { 0%, 100% { transform: scale(0.92); } 50% { transform: scale(1.06); } }

.dock-fab {
  position: fixed; right: 20px; bottom: 20px; z-index: 46;
  display: inline-flex; align-items: center; gap: 10px;
  height: 44px; padding: 0 18px 0 13px; border-radius: 100px; cursor: pointer;
  background: var(--surface); border: 1px solid var(--gold-edge);
  backdrop-filter: blur(var(--glass-blur)); -webkit-backdrop-filter: blur(var(--glass-blur));
  box-shadow: var(--shadow), 0 0 26px color-mix(in srgb, var(--gold) 22%, transparent);
  font-family: var(--font-display); font-size: 13px; font-weight: 600; color: var(--text);
  transition: transform 0.15s, box-shadow 0.3s;
}
.dock-fab:hover { transform: translateY(-2px); box-shadow: var(--shadow), 0 0 36px color-mix(in srgb, var(--gold) 36%, transparent); }

.dock {
  position: fixed; right: 20px; bottom: 20px; z-index: 46;
  width: 372px; height: min(520px, calc(100vh - 110px));
  display: flex; flex-direction: column;
  background: var(--surface); border: 1px solid var(--hairline-strong); border-radius: var(--r-lg);
  backdrop-filter: blur(calc(var(--glass-blur) + 4px)); -webkit-backdrop-filter: blur(calc(var(--glass-blur) + 4px));
  box-shadow: var(--shadow);
  animation: dock-in 0.3s cubic-bezier(0.22, 1.2, 0.36, 1);
  overflow: hidden;
}
@keyframes dock-in { from { opacity: 0; transform: translateY(24px) scale(0.96); } to { opacity: 1; transform: none; } }
.dock-h { display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-bottom: 1px solid var(--hairline); }
.dock-title { flex: 1; font-family: var(--font-display); font-size: 13.5px; font-weight: 600; }
.dock-status { display: block; font-size: 8.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-3); margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 250px; }
.dock-status.busy { color: var(--gold); }

.dock-msgs { flex: 1; overflow-y: auto; padding: 14px; display: flex; flex-direction: column; gap: 12px; }
.dock-empty { color: var(--text-3); font-size: 12.5px; font-style: italic; text-align: center; margin: auto 12px; line-height: 1.6; }

/* ---- onboarding card (initial-learning moment) ---- */
.dock-onboard {
  margin: auto 4px; text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  padding: 18px 16px; animation: dmsg-in 0.4s ease;
}
.dock-onboard .fab-orb { width: 34px; height: 34px; }
.onboard-t { font-family: var(--font-display); font-size: 16px; font-weight: 600; color: var(--text); }
.onboard-p { font-size: 12.5px; line-height: 1.55; color: var(--text-2); max-width: 280px; }
.onboard-go { margin-top: 4px; padding: 10px 18px; font-size: 13px; }
.onboard-or { font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-3); margin-top: 2px; }
.dmsg { display: flex; flex-direction: column; animation: dmsg-in 0.25s ease; max-width: 92%; }
@keyframes dmsg-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.dmsg.user { align-self: flex-end; align-items: flex-end; }
.dmsg.bot { align-self: flex-start; align-items: stretch; }
.dmsg .bubble { padding: 9px 13px; border-radius: 14px; font-size: 13px; line-height: 1.55; overflow-wrap: break-word; }
.dmsg.user .bubble { background: linear-gradient(180deg, var(--gold), var(--gold-2)); color: #fff; border-bottom-right-radius: 4px; white-space: pre-wrap; }
.dmsg.bot .bubble { background: var(--surface-2); border: 1px solid var(--hairline); border-bottom-left-radius: 4px; }
.dmsg .thinking {
  font-style: italic; font-size: 11.5px; color: var(--text-3); line-height: 1.5;
  border-left: 2px solid var(--gold-edge); padding: 2px 0 2px 10px; margin: 0 0 6px 2px;
  max-height: 110px; overflow-y: auto; white-space: pre-wrap; overflow-wrap: break-word;
}
.dmsg .usage { font-family: var(--font-mono); font-size: 8.5px; color: var(--text-3); letter-spacing: 0.06em; margin-top: 4px; padding: 0 2px; }
.dmsg.bot.streaming .bubble::after { content: '▎'; color: var(--gold); animation: caret-blink 0.9s steps(2) infinite; }
@keyframes caret-blink { 50% { opacity: 0; } }
.dmsg .bubble p { margin: 0 0 8px; } .dmsg .bubble p:last-child { margin: 0; }
.dmsg .bubble ul, .dmsg .bubble ol { margin: 0 0 8px; padding-left: 18px; }
.dmsg .bubble code { font-family: var(--font-mono); font-size: 11.5px; background: var(--gold-soft); padding: 1px 4px; border-radius: 4px; }
.dmsg .bubble pre { overflow-x: auto; background: var(--bg-deep); border-radius: 8px; padding: 8px 10px; }
.dmsg .bubble a { color: var(--gold); }

.dock-input { display: flex; gap: 8px; padding: 11px 12px; border-top: 1px solid var(--hairline); }
.dock-input input {
  flex: 1; min-width: 0; background: var(--surface-2); border: 1px solid var(--hairline);
  border-radius: 100px; padding: 9px 15px; color: var(--text);
  font: inherit; font-size: 13px; outline: none; transition: border-color 0.15s;
}
.dock-input input:focus { border-color: var(--gold-edge); }
.dock-input input::placeholder { color: var(--text-3); }
.dock-send {
  width: 38px; height: 38px; border-radius: 50%; border: none; cursor: pointer; flex-shrink: 0;
  background: linear-gradient(180deg, var(--gold), var(--gold-2)); color: #fff;
  display: flex; align-items: center; justify-content: center; transition: filter 0.15s, transform 0.1s;
}
.dock-send svg { width: 16px; height: 16px; }
.dock-send:hover { filter: brightness(1.08); }
.dock-send:active { transform: scale(0.94); }
.dock-send[disabled] { opacity: 0.45; pointer-events: none; }

/* ============ TOASTS ============ */
.toast-host { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); z-index: 80; display: flex; flex-direction: column; gap: 8px; align-items: center; }
.toast {
  display: flex; align-items: center; gap: 10px;
  background: var(--surface-solid); border: 1px solid var(--hairline-strong); border-radius: 100px;
  box-shadow: var(--shadow);
  padding: 9px 17px; font-size: 12.5px; color: var(--text);
  animation: toast-in 0.3s cubic-bezier(0.22, 1.4, 0.36, 1);
  max-width: 70vw;
}
@keyframes toast-in { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.toast.leaving { opacity: 0; transition: opacity 0.25s; }
.toast.ok { border-left: 3px solid var(--green); }
.toast.err { border-left: 3px solid var(--rose); }

/* ============ NETWORK BANNER ============ */
.net-banner {
  position: fixed; top: 66px; right: 20px; z-index: 50;
  padding: 6px 13px; border-radius: 100px;
  background: color-mix(in srgb, var(--rose) 16%, var(--surface-solid));
  border: 1px solid color-mix(in srgb, var(--rose) 45%, transparent);
  color: var(--rose); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase;
  animation: pulse-dot 1.6s ease-in-out infinite;
}

/* ============ BOOT OVERLAY ============ */
.boot {
  position: fixed; inset: 0; z-index: 90;
  background: radial-gradient(circle at 50% 42%, var(--bg) 0%, var(--bg-deep) 100%);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 18px;
  transition: opacity 0.7s;
}
.boot.leaving { opacity: 0; pointer-events: none; }
.boot-orb {
  width: 64px; height: 64px; border-radius: 50%;
  background: radial-gradient(circle at 32% 30%, #22d3ee, var(--gold) 55%, var(--gold-2));
  box-shadow: 0 0 60px color-mix(in srgb, var(--gold) 55%, transparent), 0 0 130px color-mix(in srgb, #22d3ee 28%, transparent);
  animation: orb-breathe 1.8s ease-in-out infinite;
}
.boot-t { font-family: var(--font-serif); font-style: italic; font-size: 21px; color: var(--text); }
.boot-sub { font-size: 9.5px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-3); animation: pulse-dot 1.8s ease-in-out infinite; }

/* ============ EXPLAINER MODAL ============ */
.modal-host { position: fixed; inset: 0; z-index: 95; display: flex; align-items: center; justify-content: center; padding: 24px; }
.modal-backdrop {
  position: absolute; inset: 0;
  background: rgba(8, 7, 5, 0.55); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
  animation: fade-in 0.25s ease;
}
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
.modal {
  position: relative; z-index: 1; width: min(520px, 100%); max-height: calc(100vh - 48px); overflow-y: auto;
  background: var(--surface-solid); border: 1px solid var(--hairline-strong); border-radius: var(--r-lg);
  box-shadow: var(--shadow), 0 0 70px color-mix(in srgb, var(--gold) 16%, transparent);
  padding: 26px 26px 22px;
  animation: modal-in 0.32s cubic-bezier(0.22, 1.2, 0.36, 1);
}
@keyframes modal-in { from { opacity: 0; transform: translateY(18px) scale(0.97); } to { opacity: 1; transform: none; } }
.modal-x { position: absolute; top: 16px; right: 16px; }
.modal-eyebrow { font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold); margin-bottom: 6px; }
.modal-title { font-family: var(--font-display); font-size: 21px; font-weight: 600; margin: 0 0 12px; line-height: 1.2; color: var(--text); }
.modal-lede { font-size: 13.5px; line-height: 1.6; color: var(--text-2); margin: 0 0 18px; }
.modal-lede b { color: var(--text); font-weight: 600; }

.levels { display: flex; flex-direction: column; gap: 4px; }
.level-row {
  display: flex; gap: 13px; align-items: flex-start;
  padding: 11px 12px; border-radius: var(--r-sm);
  border: 1px solid transparent; transition: background 0.15s, border-color 0.15s;
}
.level-row .level-rng { flex-shrink: 0; width: 58px; font-size: 10px; color: var(--text-3); padding-top: 2px; letter-spacing: 0.02em; }
.level-name { font-family: var(--font-display); font-size: 13.5px; font-weight: 600; color: var(--text); }
.level-unlock { font-size: 12px; line-height: 1.5; color: var(--text-2); margin-top: 2px; }
.level-row.cur {
  background: color-mix(in srgb, var(--gold) 11%, transparent);
  border-color: var(--gold-edge);
}
.level-row.cur .level-rng { color: var(--gold); }
.level-row.cur .level-name { color: var(--gold-2); }

/* ============ SMALL SCREENS ============ */
@media (max-width: 880px) {
  .sidebar { width: 224px; }
  .feed { width: 220px; }
  .dock { width: calc(100vw - 32px); right: 16px; }
  .brand-name .sub { display: none; }
  .meter { transform: translateX(-50%) scale(0.84); transform-origin: top center; }
}

/* ---- Phones: graph stays full-bleed & fits; dock becomes a bottom sheet ---- */
@media (max-width: 760px) {
  .topbar { padding: 10px 12px; gap: 8px; }
  .back-link { padding: 6px 9px; }
  .back-link span, .back-link { font-size: 9.5px; }
  .brand-name { font-size: 12.5px; }
  .brand-mark.face-mark { width: 24px; height: 24px; border-radius: 7px; }

  /* meter docks under the brand row, smaller, left-aligned so it never
     covers the graph centre */
  .meter {
    position: fixed; top: auto; bottom: 84px; left: 12px; right: auto;
    transform: scale(0.8); transform-origin: bottom left;
    width: 168px;
  }

  /* the sidebar drops to the bottom edge: slim search bar always visible,
     the category list unfolds above it while you're in the sidebar */
  .sidebar {
    top: auto; bottom: 12px; left: 12px; right: 12px; width: auto; z-index: 25;
    max-height: 60vh; flex-direction: column-reverse; /* search stays at the bottom edge */
  }
  .side-panel { display: none; }
  .sidebar:focus-within .side-panel, .sidebar.open .side-panel { display: flex; }

  /* the recently-learned feed is desktop ambience — hide on phones to keep
     the graph clear */
  .feed { display: none; }

  /* edit + narrative panels become bottom sheets */
  .edit {
    top: auto; bottom: 0; left: 0; right: 0; width: auto;
    border-radius: var(--r-lg) var(--r-lg) 0 0;
    padding: 16px 16px calc(16px + env(safe-area-inset-bottom, 0px));
    animation: sheet-up 0.3s cubic-bezier(0.22, 1.2, 0.36, 1);
  }
  @keyframes sheet-up { from { opacity: 0; transform: translateY(40px); } to { opacity: 1; transform: none; } }
  .narr {
    top: auto; bottom: 0; left: 0; right: 0; width: auto; max-height: 70vh;
    border-radius: var(--r-lg) var(--r-lg) 0 0;
    padding: 16px 16px calc(16px + env(safe-area-inset-bottom, 0px));
    animation: sheet-up 0.3s cubic-bezier(0.22, 1.2, 0.36, 1);
  }

  /* the talk dock becomes a full-width bottom sheet */
  .dock-fab { right: 12px; bottom: calc(12px + env(safe-area-inset-bottom, 0px)); height: 46px; }
  .dock {
    right: 0; left: 0; bottom: 0; width: auto;
    height: min(72vh, calc(100dvh - 64px));
    border-radius: var(--r-lg) var(--r-lg) 0 0;
    animation: sheet-up 0.32s cubic-bezier(0.22, 1.2, 0.36, 1);
  }
  .dock-input { padding-bottom: calc(11px + env(safe-area-inset-bottom, 0px)); }

  /* generous tap targets */
  .dock-send { width: 42px; height: 42px; }
  .dock-input input { padding: 11px 16px; }
  .side-cat-btn { padding: 10px 9px; }
  .pill { height: 36px; }

  .modal { padding: 20px 18px calc(18px + env(safe-area-inset-bottom, 0px)); }
}