:root {
  --bg: #0e1116;
  --surface: #161b22;
  --surface-2: #1f2630;
  --border: #2a3340;
  --text: #d8dee9;
  --muted: #8b95a5;
  --accent: #5ee5d2;
  --ok: #4ade80;
  --warn: #fbbf24;
  --bad: #f87171;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Helvetica Neue", "Pretendard", "Apple SD Gothic Neo",
    "Noto Sans KR", "Malgun Gothic", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 10;
}

header h1 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.status {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.vision-badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--muted);
  letter-spacing: 0.04em;
}
.vision-badge.on {
  color: var(--ok);
  border-color: rgba(74, 222, 128, 0.3);
}
.vision-badge.off {
  color: var(--warn);
  border-color: rgba(251, 191, 36, 0.3);
}

.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--muted);
  transition: background 0.2s, box-shadow 0.2s;
}
.dot.ok { background: var(--ok); box-shadow: 0 0 8px rgba(74, 222, 128, 0.6); }
.dot.bad { background: var(--bad); }

main {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) 2fr;
  gap: 1rem;
  padding: 1rem 1.5rem;
}

@media (max-width: 900px) {
  main { grid-template-columns: 1fr; }
}

section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
}

section h2 {
  margin: 0 0 0.75rem 0;
  font-size: 0.78rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

/* --- live feed --- */
#event-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 70vh;
  overflow-y: auto;
}
#event-list:empty::after {
  content: "이벤트를 기다리는 중...";
  display: block;
  padding: 1rem 0.5rem;
  color: var(--muted);
  font-size: 0.85rem;
}
#event-list li {
  padding: 0.55rem 0.5rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
  display: grid;
  grid-template-columns: auto auto 1fr;
  gap: 0.5rem;
  align-items: baseline;
  animation: fadein 0.25s ease-out;
}
#event-list li:last-child { border-bottom: 0; }
#event-list .time { color: var(--muted); font-variant-numeric: tabular-nums; font-size: 0.75rem; }
#event-list .mode {
  font-size: 0.7rem;
  padding: 0.1rem 0.4rem;
  background: var(--surface-2);
  border-radius: 3px;
  color: var(--accent);
  white-space: nowrap;
}
#event-list .text { word-break: break-word; }

@keyframes fadein {
  from { opacity: 0; transform: translateY(-3px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- jobs grid --- */
#job-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.75rem;
}
#job-grid .placeholder {
  grid-column: 1 / -1;
  color: var(--muted);
  text-align: center;
  padding: 1.5rem 0;
  font-size: 0.85rem;
}

.card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.card img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: #000;
}

.card-body {
  padding: 0.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex: 1;
}

.card .meta {
  display: flex;
  gap: 0.4rem;
  align-items: center;
  flex-wrap: wrap;
  font-size: 0.7rem;
}

.badge {
  padding: 0.1rem 0.45rem;
  border-radius: 3px;
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.badge.queued    { background: #1f3855; color: #93c5fd; }
.badge.running   { background: #4a3a14; color: #fbbf24; }
.badge.completed { background: #1f4836; color: #4ade80; }
.badge.failed    { background: #4a1f1f; color: #f87171; }

.card .meta .mode { color: var(--accent); }
.card .meta .device { margin-left: auto; color: var(--muted); }

.card .hud {
  margin: 0;
  font-size: 0.92rem;
  word-break: break-word;
  color: var(--text);
}

.card details {
  margin-top: 0.3rem;
  font-size: 0.75rem;
  color: var(--muted);
}
.card details summary {
  cursor: pointer;
  user-select: none;
  outline: none;
}
.card details dl.derivation-meta {
  margin: 0.6rem 0 0 0;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.2rem 0.6rem;
  font-size: 0.72rem;
}
.card details dl.derivation-meta dt { color: var(--muted); }
.card details dl.derivation-meta dd { margin: 0; word-break: break-word; color: var(--text); }

/* --- markdown + LaTeX rendered raw_description inside card --- */
.derivation-rendered {
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--text);
  word-break: keep-all;
  overflow-x: auto;
}
.derivation-rendered > *:first-child { margin-top: 0; }
.derivation-rendered > *:last-child  { margin-bottom: 0; }
.derivation-rendered h1,
.derivation-rendered h2 {
  font-size: 0.88rem;
  font-weight: 700;
  margin: 0.9em 0 0.35em;
  color: var(--accent);
}
.derivation-rendered h3 {
  font-size: 0.85rem;
  font-weight: 700;
  margin: 0.9em 0 0.3em;
  color: var(--accent);
  border-left: 2px solid var(--accent);
  padding-left: 0.5em;
}
.derivation-rendered h4, .derivation-rendered h5, .derivation-rendered h6 {
  font-size: 0.8rem;
  font-weight: 600;
  margin: 0.7em 0 0.25em;
  color: var(--text);
}
.derivation-rendered p { margin: 0.5em 0; }
.derivation-rendered ul, .derivation-rendered ol {
  margin: 0.35em 0;
  padding-left: 1.4em;
}
.derivation-rendered li { margin: 0.18em 0; }
.derivation-rendered li > p { margin: 0.15em 0; }
.derivation-rendered strong { color: var(--text); font-weight: 700; }
.derivation-rendered em { font-style: italic; }
.derivation-rendered code {
  background: rgba(255,255,255,0.06);
  padding: 0.05em 0.3em;
  border-radius: 3px;
  font-size: 0.92em;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.derivation-rendered pre {
  background: rgba(255,255,255,0.04);
  padding: 0.5em 0.7em;
  border-radius: 6px;
  overflow-x: auto;
  font-size: 0.78em;
}
.derivation-rendered pre code { background: transparent; padding: 0; }
.derivation-rendered blockquote {
  border-left: 2px solid var(--border);
  padding-left: 0.7em;
  margin: 0.6em 0;
  color: var(--muted);
}
.derivation-rendered .katex { font-size: 0.95em; }
.derivation-rendered .katex-display {
  margin: 0.5em 0;
  overflow-x: auto;
  overflow-y: hidden;
}
.card details code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.7rem;
  background: var(--bg);
  padding: 0.05rem 0.3rem;
  border-radius: 3px;
}

/* --- upload --- */
.upload {
  margin: 0 1.5rem 1.5rem 1.5rem;
}

.trigger-bar {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 0.5rem;
}

.esp32-trigger {
  background: var(--accent);
  color: #0e1116;
  border: none;
  border-radius: 8px;
  padding: 0.7rem 1.1rem;
  font-weight: 700;
  font-size: 0.92rem;
  font-family: inherit;
  cursor: pointer;
  transition: filter 0.15s, transform 0.1s;
}
.esp32-trigger:hover { filter: brightness(1.08); }
.esp32-trigger:active { transform: scale(0.98); }
.esp32-trigger:disabled { opacity: 0.55; cursor: not-allowed; filter: none; }

.clear-jobs {
  background: var(--surface-2);
  color: var(--bad);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.7rem 1rem;
  font-weight: 600;
  font-size: 0.88rem;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.1s;
}
.clear-jobs:hover  { background: rgba(248,113,113,0.12); border-color: var(--bad); }
.clear-jobs:active { transform: scale(0.98); }
.clear-jobs:disabled { opacity: 0.55; cursor: not-allowed; }

.trigger-bar input[type=text]#trigger-device-id {
  width: 180px;
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.4rem 0.6rem;
  font-size: 0.8rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.trigger-status {
  font-size: 0.8rem;
  color: var(--muted);
  flex: 1;
  min-width: 200px;
}
.trigger-status.pending { color: var(--accent); }
.trigger-status.ok      { color: var(--ok); }
.trigger-status.err     { color: var(--bad); }
.upload form {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
}
.upload input[type=file],
.upload select,
.upload input[type=text] {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.45rem 0.6rem;
  font-size: 0.85rem;
  font-family: inherit;
}
.upload input[type=file] { padding: 0.3rem; }
.upload input[type=text] { flex: 1; min-width: 200px; }
.upload input[type=text]:disabled { opacity: 0.4; }

.upload button {
  background: var(--accent);
  color: #0e1116;
  border: none;
  border-radius: 4px;
  padding: 0.5rem 1.1rem;
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  font-family: inherit;
  transition: filter 0.15s;
}
.upload button:hover { filter: brightness(1.1); }
.upload button:disabled { opacity: 0.5; cursor: not-allowed; }

#upload-result {
  margin-top: 0.6rem;
  font-size: 0.8rem;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}