/* MemoryHub：Jim 要的「鋼鐵人 Jarvis」HUD 風格。深色底、青色發光線條、琥珀色只給警示用。 */
:root {
  --bg: #03070d;
  --bg-2: #06121d;
  --panel: rgba(7, 22, 34, 0.74);
  --panel-solid: #071622;
  --line: rgba(80, 220, 255, 0.16);
  --line-strong: rgba(80, 220, 255, 0.42);
  --cyan: #46e6ff;
  --cyan-soft: #9ff2ff;
  --cyan-dim: #1d7f96;
  --amber: #ffb648;
  --red: #ff5f6d;
  --green: #4dffb4;
  --violet: #c49bff;
  --text: #d8f7ff;
  --muted: #7ea2b2;
  --faint: #44606d;
  --glow: 0 0 12px rgba(70, 230, 255, 0.35);
  --font-hud: "Rajdhani", "Noto Sans TC", "PingFang TC", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;
  --font-body: system-ui, -apple-system, "PingFang TC", "Noto Sans TC", sans-serif;
  --radius: 4px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.6 var(--font-body);
  -webkit-tap-highlight-color: transparent;
  overflow-x: hidden;
}
a { color: var(--cyan); text-decoration: none; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 1px solid var(--cyan); outline-offset: 2px; }

/* 背景：細網格加暗角，再疊一層很淡的掃描線 */
.backdrop {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(ellipse at 50% 18%, rgba(30, 140, 180, 0.22), transparent 60%),
    radial-gradient(ellipse at 50% 120%, rgba(10, 60, 90, 0.35), transparent 60%),
    linear-gradient(rgba(70, 230, 255, 0.045) 1px, transparent 1px) 0 0 / 28px 28px,
    linear-gradient(90deg, rgba(70, 230, 255, 0.045) 1px, transparent 1px) 0 0 / 28px 28px,
    var(--bg);
}
.backdrop::after {
  content: ""; position: absolute; inset: 0;
  background: repeating-linear-gradient(transparent 0 2px, rgba(0, 0, 0, 0.18) 2px 3px);
  mix-blend-mode: multiply;
}

/* 頂列 */
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: calc(10px + env(safe-area-inset-top)) 16px 8px;
  max-width: 1180px; margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); }
.brand svg { width: 30px; height: 30px; fill: none; stroke: var(--cyan); stroke-width: 1.5; filter: drop-shadow(0 0 6px rgba(70, 230, 255, 0.6)); }
.brand b { display: block; font: 700 18px/1 var(--font-hud); letter-spacing: 0.22em; color: var(--cyan-soft); text-shadow: var(--glow); }
.brand small { display: block; margin-top: 3px; font-size: 11px; letter-spacing: 0.18em; color: var(--muted); }
.clock { font: 600 13px/1.25 var(--font-mono); color: var(--cyan); text-align: right; letter-spacing: 0.06em; }
.clock small { display: block; color: var(--faint); font-size: 10px; letter-spacing: 0.2em; }

/* 分頁：可以橫向捲動的 HUD 標籤 */
.tabs {
  position: sticky; top: 0; z-index: 5;
  display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none;
  padding: 8px 16px; max-width: 1180px; margin: 0 auto;
  background: linear-gradient(var(--bg) 70%, transparent);
}
.tabs::-webkit-scrollbar { display: none; }
.tabs a {
  flex: none; position: relative;
  padding: 7px 14px; min-height: 36px;
  font: 600 14px/22px var(--font-hud); letter-spacing: 0.12em; color: var(--muted);
  border: 1px solid var(--line); background: rgba(6, 18, 29, 0.6);
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.tabs a[aria-current="page"] { color: var(--bg); background: var(--cyan); border-color: var(--cyan); box-shadow: var(--glow); }

.view { max-width: 1180px; margin: 0 auto; padding: 8px 16px 32px; outline: none; }
.footline {
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  max-width: 1180px; margin: 0 auto; padding: 0 16px calc(18px + env(safe-area-inset-bottom));
  font: 11px/1.5 var(--font-mono); color: var(--faint); letter-spacing: 0.08em;
}

/* 面板：四角括號，像 HUD 的取景框 */
.panel {
  position: relative; padding: 14px 14px 16px;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius);
  backdrop-filter: blur(6px);
}
.panel::before, .panel::after {
  content: ""; position: absolute; width: 14px; height: 14px; pointer-events: none;
  border-color: var(--cyan); border-style: solid; opacity: 0.85;
}
.panel::before { top: -1px; left: -1px; border-width: 2px 0 0 2px; }
.panel::after { bottom: -1px; right: -1px; border-width: 0 2px 2px 0; }
.panel.warn::before, .panel.warn::after { border-color: var(--amber); }
.panel-title {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  margin: 0 0 10px; font: 700 13px/1.2 var(--font-hud); letter-spacing: 0.2em; color: var(--cyan);
  text-transform: uppercase;
}
.panel-title small { font: 500 11px/1 var(--font-mono); letter-spacing: 0.06em; color: var(--faint); text-transform: none; }
.panel-title::before { content: ""; width: 6px; height: 6px; background: var(--cyan); box-shadow: var(--glow); flex: none; margin-right: 2px; }
.panel-title > span { flex: 1; }
.section-gap { margin-top: 14px; }

/* 總覽版面 */
.hud { display: grid; gap: 14px; }
@media (min-width: 900px) {
  .hud { grid-template-columns: 1fr 1.25fr 1fr; grid-template-areas: "left core right" "timeline timeline timeline" "recall health system"; }
  .hud-left { grid-area: left; } .hud-core { grid-area: core; } .hud-right { grid-area: right; }
  .hud-timeline { grid-area: timeline; } .hud-recall { grid-area: recall; } .hud-health { grid-area: health; } .hud-system { grid-area: system; }
}
.hud-left, .hud-right { display: grid; gap: 14px; align-content: start; }

/* 反應爐 */
.core { display: grid; place-items: center; padding: 6px 0 2px; }
.reactor { width: min(320px, 82vw); aspect-ratio: 1; position: relative; }
.reactor svg { width: 100%; height: 100%; overflow: visible; }
.reactor .ring-track { fill: none; stroke: rgba(70, 230, 255, 0.08); }
.reactor .ring-seg { fill: none; stroke-linecap: butt; filter: drop-shadow(0 0 4px currentColor); transition: opacity 0.2s; }
.reactor .tick { stroke: rgba(70, 230, 255, 0.35); stroke-width: 1; }
.reactor .spin { transform-origin: 50% 50%; animation: spin 38s linear infinite; }
.reactor .spin-rev { transform-origin: 50% 50%; animation: spin 26s linear infinite reverse; }
.reactor .dash { fill: none; stroke: var(--cyan-dim); stroke-dasharray: 2 6; }
.reactor .arc { fill: none; stroke: var(--cyan); stroke-width: 1.2; opacity: 0.7; }
.reactor-center { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; pointer-events: none; }
.reactor-center b { font: 700 clamp(48px, 15vw, 68px)/0.9 var(--font-hud); color: var(--cyan-soft); text-shadow: 0 0 22px rgba(70, 230, 255, 0.55); font-variant-numeric: tabular-nums; }
.reactor-center span { margin-top: 6px; font: 600 11px/1.2 var(--font-hud); letter-spacing: 0.32em; color: var(--muted); }
.reactor-center small { margin-top: 4px; font: 11px/1.2 var(--font-mono); color: var(--faint); }
.legend { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 12px; margin-top: 10px; font: 12px/1.4 var(--font-mono); color: var(--muted); }
.legend span { display: inline-flex; align-items: center; gap: 5px; }
.legend i { width: 8px; height: 8px; border-radius: 1px; box-shadow: 0 0 6px currentColor; }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes rise { from { opacity: 0; transform: translateY(6px); } }
@keyframes blink { 50% { opacity: 0.25; } }
@keyframes sweep { from { transform: translateX(-100%); } to { transform: translateX(100%); } }

/* 數字面板 */
.stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.stat {
  position: relative; padding: 10px 12px 11px; overflow: hidden;
  border: 1px solid var(--line); border-left: 2px solid var(--cyan); background: rgba(5, 16, 26, 0.7);
  border-radius: 2px; color: var(--text);
  animation: rise 0.45s both;
}
a.stat:active { background: rgba(70, 230, 255, 0.08); }
.stat.warn { border-left-color: var(--amber); }
.stat.warn .stat-value { color: var(--amber); text-shadow: 0 0 14px rgba(255, 182, 72, 0.45); }
.stat-label { font: 600 11px/1.3 var(--font-hud); letter-spacing: 0.16em; color: var(--muted); }
.stat-value { display: block; margin-top: 2px; font: 700 30px/1 var(--font-hud); color: var(--cyan-soft); font-variant-numeric: tabular-nums; text-shadow: 0 0 14px rgba(70, 230, 255, 0.35); }
.stat-value small { font: 500 12px var(--font-mono); color: var(--faint); margin-left: 4px; text-shadow: none; }
.stat-note { display: block; margin-top: 4px; font: 11px/1.35 var(--font-mono); color: var(--faint); }
.stat::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(70, 230, 255, 0.07), transparent);
  transform: translateX(-100%); animation: sweep 5.5s ease-in-out infinite; animation-delay: var(--delay, 0s);
}

/* 30 天長條 */
.bars { display: flex; align-items: flex-end; gap: 3px; height: 96px; padding-top: 6px; border-bottom: 1px solid var(--line-strong); }
.bars div { flex: 1; min-width: 3px; position: relative; display: flex; align-items: flex-end; height: 100%; }
.bars i { display: block; width: 100%; background: linear-gradient(var(--cyan), rgba(70, 230, 255, 0.25)); box-shadow: 0 0 8px rgba(70, 230, 255, 0.4); border-radius: 1px 1px 0 0; min-height: 1px; }
.bars div.zero i { background: var(--faint); box-shadow: none; opacity: 0.4; }
.bars div.today i { background: linear-gradient(var(--amber), rgba(255, 182, 72, 0.3)); }
.bars-axis { display: flex; justify-content: space-between; margin-top: 4px; font: 10px var(--font-mono); color: var(--faint); }

/* 清單列 */
.rows { list-style: none; margin: 0; padding: 0; }
.rows li + li { border-top: 1px solid var(--line); }
.row { display: flex; align-items: center; gap: 10px; padding: 9px 2px; color: var(--text); min-height: 44px; }
.row-main { flex: 1; min-width: 0; }
.row-title { display: block; font-size: 14px; line-height: 1.45; overflow-wrap: anywhere; }
.row-sub { display: block; margin-top: 1px; font: 11px/1.4 var(--font-mono); color: var(--faint); overflow-wrap: anywhere; }
.row-value { flex: none; font: 600 15px var(--font-hud); color: var(--cyan); font-variant-numeric: tabular-nums; text-align: right; }
.row-value.warn { color: var(--amber); }
.meter { height: 3px; margin-top: 5px; background: rgba(70, 230, 255, 0.08); }
.meter i { display: block; height: 100%; background: var(--cyan); box-shadow: 0 0 6px var(--cyan); }

/* 系統狀態行 */
.sysline { display: flex; justify-content: space-between; gap: 10px; padding: 7px 0; font: 12px/1.45 var(--font-mono); border-bottom: 1px dashed var(--line); }
.sysline:last-child { border-bottom: 0; }
.sysline span:first-child { color: var(--muted); }
.sysline span:last-child { color: var(--text); text-align: right; overflow-wrap: anywhere; }
.dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; margin-right: 6px; background: var(--green); box-shadow: 0 0 8px var(--green); animation: blink 2.4s infinite; vertical-align: 1px; }
.dot.off { background: var(--faint); box-shadow: none; animation: none; }
.dot.warn { background: var(--amber); box-shadow: 0 0 8px var(--amber); }

/* 標籤 */
.chip {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 1px 7px; border: 1px solid var(--line-strong); border-radius: 2px;
  font: 600 11px/18px var(--font-mono); color: var(--cyan); letter-spacing: 0.02em; white-space: nowrap;
}
.chip.amber { color: var(--amber); border-color: rgba(255, 182, 72, 0.5); }
.chip.red { color: var(--red); border-color: rgba(255, 95, 109, 0.5); }
.chip.violet { color: var(--violet); border-color: rgba(196, 155, 255, 0.5); }
.chip.muted { color: var(--muted); border-color: var(--line); }
.chip.green { color: var(--green); border-color: rgba(77, 255, 180, 0.45); }
.chips { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 5px; }

/* 篩選列 */
.toolbar { display: grid; gap: 10px; margin-bottom: 14px; }
.search {
  width: 100%; min-height: 44px; padding: 10px 12px 10px 36px;
  font: 16px var(--font-body); color: var(--text);
  background: rgba(5, 16, 26, 0.85) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2346e6ff' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m20 20-4-4'/%3E%3C/svg%3E") no-repeat 11px 50% / 16px;
  border: 1px solid var(--line-strong); border-radius: 2px; outline: none;
}
.search:focus { border-color: var(--cyan); box-shadow: var(--glow); }
.filters { display: flex; gap: 6px; overflow-x: auto; scrollbar-width: none; padding-bottom: 2px; }
.filters::-webkit-scrollbar { display: none; }
.filter {
  flex: none; min-height: 34px; padding: 4px 11px;
  font: 600 13px/1 var(--font-hud); letter-spacing: 0.08em; color: var(--muted);
  background: transparent; border: 1px solid var(--line); border-radius: 2px; cursor: pointer;
}
.filter[aria-pressed="true"] { color: var(--bg); background: var(--cyan); border-color: var(--cyan); }
.filter.violet[aria-pressed="true"] { background: var(--violet); border-color: var(--violet); }
.filter b { font-family: var(--font-mono); font-size: 11px; margin-left: 4px; opacity: 0.75; }
.count-line { font: 12px var(--font-mono); color: var(--faint); margin: 2px 0 10px; }

/* 記憶卡 */
.cards { display: grid; gap: 8px; }
@media (min-width: 760px) { .cards { grid-template-columns: 1fr 1fr; } }
.card {
  display: block; position: relative; padding: 11px 13px 12px; color: var(--text);
  background: rgba(6, 19, 30, 0.72); border: 1px solid var(--line); border-radius: 2px;
  transition: border-color 0.15s, background 0.15s;
}
.card:hover { border-color: var(--line-strong); background: rgba(10, 30, 46, 0.8); }
.card:active { transform: scale(0.995); }
.card.private { border-left: 2px solid var(--violet); }
.card.superseded { opacity: 0.55; }
.card-title { font-size: 14px; line-height: 1.5; overflow-wrap: anywhere; }
.card-file { display: block; margin-top: 3px; font: 11px/1.4 var(--font-mono); color: var(--faint); overflow-wrap: anywhere; }

/* 私人區摺疊 */
.fold { margin-top: 16px; border: 1px dashed rgba(196, 155, 255, 0.4); border-radius: 2px; }
.fold > summary {
  list-style: none; cursor: pointer; padding: 12px 14px; min-height: 44px;
  font: 600 14px var(--font-hud); letter-spacing: 0.14em; color: var(--violet);
}
.fold > summary::-webkit-details-marker { display: none; }
.fold > summary::before { content: "▸ "; }
.fold[open] > summary::before { content: "▾ "; }
.fold > .cards { padding: 0 10px 12px; }

/* 單則記憶 */
.detail-head h1 { margin: 4px 0 6px; font: 600 20px/1.45 var(--font-body); color: var(--cyan-soft); overflow-wrap: anywhere; }
.back { display: inline-flex; align-items: center; min-height: 36px; font: 600 13px var(--font-hud); letter-spacing: 0.14em; color: var(--muted); }
.frontmatter { margin: 0; padding: 10px 12px; font: 12px/1.6 var(--font-mono); color: var(--muted); background: rgba(0, 0, 0, 0.35); border: 1px solid var(--line); border-radius: 2px; white-space: pre-wrap; overflow-wrap: anywhere; }
.prose { font-size: 15px; line-height: 1.8; overflow-wrap: anywhere; }
.prose p { margin: 0 0 0.85em; white-space: pre-wrap; }
.prose strong { color: var(--cyan-soft); font-weight: 650; }
.prose code { font: 0.86em var(--font-mono); padding: 1px 5px; background: rgba(70, 230, 255, 0.08); border: 1px solid var(--line); border-radius: 2px; color: var(--cyan-soft); }
.prose h2, .prose h3 { margin: 1.1em 0 0.4em; font: 700 15px var(--font-hud); letter-spacing: 0.1em; color: var(--cyan); }
.timeline-list { list-style: none; margin: 0; padding: 0 0 0 14px; border-left: 1px solid var(--line-strong); }
.timeline-list li { position: relative; padding: 4px 0 8px; font-size: 13px; overflow-wrap: anywhere; }
.timeline-list li::before { content: ""; position: absolute; left: -18px; top: 11px; width: 7px; height: 7px; background: var(--bg); border: 1px solid var(--cyan); transform: rotate(45deg); }
.timeline-list time { display: block; font: 11px var(--font-mono); color: var(--faint); }
.detail-grid { display: grid; gap: 14px; }
@media (min-width: 900px) { .detail-grid { grid-template-columns: 1.6fr 1fr; align-items: start; } .detail-side { display: grid; gap: 14px; } }

/* 相似組 */
.pair { padding: 12px 0; }
.pair + .pair { border-top: 1px solid var(--line); }
.pair-score { display: flex; align-items: center; gap: 8px; font: 600 12px var(--font-mono); color: var(--muted); }
.pair-score b { font: 700 18px var(--font-hud); color: var(--cyan-soft); }
.pair-sides { display: grid; gap: 6px; margin-top: 7px; }
@media (min-width: 760px) { .pair-sides { grid-template-columns: 1fr 1fr; } }
.pair-side { display: block; padding: 8px 10px; background: rgba(0, 0, 0, 0.25); border: 1px solid var(--line); border-radius: 2px; color: var(--text); font-size: 13px; line-height: 1.5; }
.pair-side small { display: block; margin-top: 2px; font: 11px var(--font-mono); color: var(--faint); overflow-wrap: anywhere; }
.pair-actions { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.act {
  min-height: 34px; padding: 4px 12px; cursor: pointer;
  font: 600 13px var(--font-hud); letter-spacing: 0.08em; color: var(--cyan);
  background: rgba(70, 230, 255, 0.06); border: 1px solid var(--line-strong); border-radius: 2px;
}
.act:active { background: rgba(70, 230, 255, 0.18); }
.act:disabled { opacity: 0.4; cursor: default; }
.act.amber { color: var(--amber); border-color: rgba(255, 182, 72, 0.5); background: rgba(255, 182, 72, 0.06); }
.mismatch { margin-top: 6px; font: 11px/1.5 var(--font-mono); color: var(--amber); overflow-wrap: anywhere; }

/* 版本鏈 */
.chain { display: grid; gap: 8px; grid-auto-flow: column; grid-auto-columns: minmax(250px, 1fr); overflow-x: auto; padding-bottom: 4px; }
.chain-node { position: relative; padding: 10px 12px; background: rgba(0, 0, 0, 0.3); border: 1px solid var(--line); border-radius: 2px; font-size: 13px; }
.chain-node.current { border-color: var(--cyan); box-shadow: inset 0 0 18px rgba(70, 230, 255, 0.08); }
.chain-node + .chain-node::before { content: "→"; position: absolute; left: -13px; top: 12px; color: var(--cyan); font-family: var(--font-mono); }
.chain-node p { margin: 6px 0 0; color: var(--muted); font-size: 12px; line-height: 1.6; white-space: pre-wrap; max-height: 11em; overflow: hidden; }

/* 關聯圖 */
.graph-wrap { position: relative; height: min(72vh, 680px); border: 1px solid var(--line); background: radial-gradient(circle at 50% 50%, rgba(20, 90, 120, 0.25), transparent 70%); border-radius: 2px; overflow: hidden; touch-action: none; }
.graph-wrap canvas { width: 100%; height: 100%; display: block; }
.graph-tip { position: absolute; left: 10px; right: 10px; bottom: 10px; padding: 9px 11px; background: rgba(3, 7, 13, 0.92); border: 1px solid var(--line-strong); font-size: 13px; pointer-events: auto; }
.graph-tip:empty { display: none; }

/* 狀態 */
.empty { padding: 26px 14px; text-align: center; color: var(--muted); font-size: 14px; line-height: 1.7; }
.empty b { display: block; font: 700 14px var(--font-hud); letter-spacing: 0.24em; color: var(--cyan); margin-bottom: 6px; }
.boot { display: grid; place-items: center; min-height: 50vh; font: 600 13px/2 var(--font-mono); color: var(--cyan); letter-spacing: 0.12em; }
.boot span { animation: blink 1s infinite; }
.error-box { border-color: rgba(255, 95, 109, 0.5); color: var(--red); }
.toast {
  position: fixed; left: 50%; bottom: calc(22px + env(safe-area-inset-bottom)); z-index: 20; transform: translateX(-50%);
  padding: 10px 16px; max-width: calc(100vw - 32px);
  font: 600 13px var(--font-hud); letter-spacing: 0.08em; color: var(--bg); background: var(--cyan); box-shadow: var(--glow);
  animation: rise 0.25s both;
}
.muted { color: var(--muted); }
.mono { font-family: var(--font-mono); }
.two-col { display: grid; gap: 14px; }
@media (min-width: 900px) { .two-col { grid-template-columns: 1fr 1fr; align-items: start; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
.clamp { display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; }

/* grid 子項預設 min-width:auto，會被可以橫捲的篩選列撐寬整欄，手機上整頁就超出右邊 */
.toolbar, .two-col, .detail-grid, .hud { grid-template-columns: minmax(0, 1fr); }
.toolbar > *, .two-col > *, .detail-grid > *, .hud > *, .cards > * { min-width: 0; }
@media (min-width: 900px) {
  .two-col { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .detail-grid { grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); }
  .hud { grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr) minmax(0, 1fr); }
}
@media (min-width: 760px) { .cards { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }
.chain-node .mono { overflow-wrap: anywhere; }
@media (max-width: 759px) {
  .chain { grid-auto-flow: row; grid-auto-columns: auto; overflow-x: visible; gap: 18px; }
  .chain-node + .chain-node::before { content: "↓"; left: 50%; top: -17px; }
}