/* WebGPU LLM search dashboard — full-bleed tool page (like graph) */
main.site-main:has(.llm-page),
main.site-main.llm-active {
  max-width: none !important;
  width: 100% !important;
  margin: 0 !important;
  padding: 0 !important;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.llm-page {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  font-size: 14px;
  line-height: 1.5;
}

.llm-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.6rem;
  padding: 0.5rem 0.75rem;
}
.llm-header h1 { margin: 0; font-size: 1rem; font-weight: 700; }
.llm-stats { color: var(--text-muted); font-size: 0.72rem; }
.llm-controls { margin-left: auto; display: flex; gap: 0.3rem; flex-wrap: wrap; }
.llm-controls button,
.llm-controls a {
  font: inherit; font-size: 0.72rem; padding: 0.3rem 0.6rem; border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.50); background: rgba(255, 255, 255, 0.28);
  color: var(--text); text-decoration: none; cursor: pointer; transition: all 0.16s ease;
}
.llm-controls button:hover,
.llm-controls a:hover { border-color: #0a84ff; color: #0a84ff; }

.llm-body {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 0.4rem 0.75rem 0.75rem;
  overflow-y: auto;
}

/* ---- search row ---- */
.llm-search-wrap { display: flex; gap: 0.45rem; align-items: stretch; }
.llm-search-box { position: relative; flex: 1; }
.llm-search-box input {
  width: 100%; padding: 11px 38px 11px 14px; font-size: 15px;
  border: 1px solid var(--glass-border); border-radius: 12px;
  background: var(--glass-bg); color: var(--text); outline: none; box-sizing: border-box;
}
.llm-search-box input:focus { border-color: #0a84ff; }
.llm-search-box input::placeholder { color: var(--text-muted); }
.llm-search-icon { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); color: var(--text-muted); font-size: 0.95rem; pointer-events: none; }
.llm-ask-btn {
  font: inherit; font-size: 0.85rem; font-weight: 600; padding: 0 1.1rem;
  border-radius: 12px; border: 1px solid #0a84ff; background: #0a84ff; color: #fff;
  cursor: pointer; transition: all 0.16s ease; white-space: nowrap;
}
.llm-ask-btn:disabled { opacity: 0.45; cursor: not-allowed; }
.llm-ask-btn:not(:disabled):hover { background: #0071e3; }

.llm-suggest {
  display: flex; gap: 0.35rem; flex-wrap: wrap; align-items: center;
  font-size: 0.72rem; color: var(--text-muted);
}
.llm-suggest button {
  font: inherit; font-size: 0.72rem; padding: 0.22rem 0.55rem; border-radius: 999px;
  border: 1px solid var(--glass-border); background: var(--glass-bg);
  color: #0a84ff; cursor: pointer; transition: all 0.15s ease;
}
.llm-suggest button:hover { border-color: #0a84ff; background: rgba(10,132,255,0.12); }

/* ---- device / model status ---- */
.llm-device-row { display: flex; flex-wrap: wrap; gap: 0.4rem; align-items: center; font-size: 0.72rem; color: var(--text-muted); }
.llm-badge {
  display: inline-flex; align-items: center; gap: 0.3rem;
  padding: 0.18rem 0.5rem; border-radius: 999px; font-size: 0.68rem; font-weight: 600;
  border: 1px solid var(--glass-border); background: var(--glass-bg);
}
.llm-badge.ok { border-color: #30d158; color: #30d158; }
.llm-badge.warn { border-color: #ff9f0a; color: #ff9f0a; }
.llm-badge.err { border-color: #ff453a; color: #ff453a; }
.llm-progress-wrap { flex: 1; min-width: 160px; }
.llm-progress { height: 8px; background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: 99px; overflow: hidden; display: none; }
.llm-progress-bar { height: 100%; background: linear-gradient(90deg, #0a84ff, #30d158); width: 0%; transition: width 0.2s ease; }
.llm-status-text { font-size: 0.75rem; color: var(--text-muted); }

/* ---- answer card ---- */
.llm-answer {
  border: 1px solid var(--glass-border); border-radius: 14px;
  background: var(--glass-bg); padding: 0.85rem 1rem; display: none;
}
.llm-answer.visible { display: block; }
.llm-answer h2 { margin: 0 0 0.45rem; font-size: 0.95rem; }
.llm-answer-body { font-size: 0.9rem; line-height: 1.65; white-space: pre-wrap; word-wrap: break-word; color: var(--text); }
.llm-answer-body:empty::before { content: "Thinking…"; color: var(--text-muted); }
.llm-sources { margin-top: 0.55rem; font-size: 0.75rem; color: var(--text-muted); }
.llm-sources a { color: #0a84ff; text-decoration: none; margin-right: 0.6rem; }
.llm-sources a:hover { text-decoration: underline; }

/* ---- results grid ---- */
.llm-results { display: flex; flex-direction: column; gap: 0.5rem; }
.llm-results-head { display: flex; align-items: center; gap: 0.5rem; font-size: 0.78rem; color: var(--text-muted); }
.llm-results-head .count { color: #0a84ff; font-weight: 600; }
.llm-card {
  border: 1px solid var(--glass-border); border-radius: 12px;
  background: var(--glass-bg); padding: 0.7rem 0.85rem;
  display: flex; flex-direction: column; gap: 0.35rem;
}
.llm-card-top { display: flex; align-items: center; gap: 0.45rem; flex-wrap: wrap; }
.llm-card-title { font-weight: 600; font-size: 0.92rem; }
.llm-card-title a { color: var(--text); text-decoration: none; }
.llm-card-title a:hover { color: #0a84ff; }
.llm-cat {
  font-size: 0.62rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em;
  padding: 0.12rem 0.45rem; border-radius: 999px; border: 1px solid currentColor;
}
.llm-cat.paper, .llm-cat.journal, .llm-cat.book { color: #30d158; }
.llm-cat.patent, .llm-cat.keynote { color: #af52de; }
.llm-cat.course, .llm-cat.ai { color: #0a84ff; }
.llm-cat.cuda, .llm-cat.cv { color: #ff9f0a; }
.llm-cat.pkm, .llm-cat.hub { color: #5ac8fa; }
.llm-cat.business { color: #ff453a; }
.llm-score-row { display: flex; align-items: center; gap: 0.5rem; }
.llm-score-bar { flex: 1; height: 5px; border-radius: 99px; background: var(--glass-border); overflow: hidden; }
.llm-score-fill { height: 100%; background: linear-gradient(90deg, #0a84ff, #30d158); border-radius: 99px; }
.llm-score-val { font-size: 0.68rem; color: var(--text-muted); min-width: 3.2em; text-align: right; }
.llm-snippet { font-size: 0.8rem; color: var(--text-muted); line-height: 1.55; }
.llm-snippet mark { background: rgba(10,132,255,0.28); color: var(--text); border-radius: 2px; padding: 0 2px; }
.llm-tags-row { display: flex; gap: 0.3rem; flex-wrap: wrap; font-size: 0.68rem; }
.llm-tag {
  padding: 0.12rem 0.45rem; border-radius: 999px;
  background: rgba(10,132,255,0.10); border: 1px solid rgba(10,132,255,0.30); color: #0a84ff;
}
.llm-tag.hashtag { background: rgba(175,82,222,0.10); border-color: rgba(175,82,222,0.35); color: #af52de; }
.llm-related { font-size: 0.72rem; color: var(--text-muted); }
.llm-related b { color: var(--text); font-weight: 600; }
.llm-related a { color: #0a84ff; text-decoration: none; margin-right: 0.45rem; white-space: nowrap; }
.llm-related a:hover { text-decoration: underline; }
.llm-related .rel-link { display: inline-block; max-width: 190px; overflow: hidden; text-overflow: ellipsis; vertical-align: bottom; }

/* ---- connection panel ---- */
.llm-conn {
  border: 1px solid var(--glass-border); border-radius: 14px;
  background: var(--glass-bg); padding: 0.6rem 0.75rem 0.35rem; display: none;
}
.llm-conn.visible { display: block; }
.llm-conn h2 { margin: 0 0 0.4rem; font-size: 0.9rem; }
#llm-conn-canvas { width: 100%; height: 240px; display: block; border-radius: 10px; background: var(--glass-bg); }
.llm-conn-hint { font-size: 0.68rem; color: var(--text-muted); margin-top: 0.3rem; text-align: center; }

.llm-empty { text-align: center; padding: 2.2rem 1rem; color: var(--text-muted); font-size: 0.85rem; }
.llm-hint-line { font-size: 0.72rem; color: var(--text-muted); }

/* ---- local-only notice ---- */
.llm-notice {
  border: 1px solid rgba(48, 209, 88, 0.35); border-radius: 14px;
  background: rgba(48, 209, 88, 0.08); padding: 0.7rem 0.9rem;
  display: flex; flex-direction: column; gap: 0.25rem;
}
.llm-notice-title { font-size: 0.85rem; font-weight: 700; color: #30d158; }
.llm-notice-text { font-size: 0.78rem; color: var(--text-muted); line-height: 1.55; }
.llm-notice-text strong { color: var(--text); }

/* ---- files & PDFs inside a result card ---- */
.llm-files { font-size: 0.72rem; color: var(--text-muted); }
.llm-files b { color: var(--text); font-weight: 600; }
.llm-files a {
  color: #5ac8fa; text-decoration: none; margin-right: 0.45rem; white-space: nowrap;
  display: inline-block; max-width: 200px; overflow: hidden; text-overflow: ellipsis; vertical-align: bottom;
}
.llm-files a:hover { text-decoration: underline; }

/* ---- reading path (ordered steps) ---- */
.llm-path {
  border: 1px solid rgba(10,132,255,0.35); border-radius: 16px;
  background: linear-gradient(135deg, rgba(10,132,255,0.10), rgba(48,209,88,0.08));
  padding: 0.75rem 0.9rem; margin-bottom: 0.5rem;
}
.llm-path-title { font-size: 0.82rem; font-weight: 700; color: #0a84ff; margin-bottom: 0.55rem; }
.llm-path-steps { display: flex; flex-direction: column; gap: 0.45rem; }
.llm-path-step { display: flex; gap: 0.6rem; align-items: center; animation: llmFadeUp 0.45s ease both; animation-delay: calc(var(--step, 0) * 0.12s); }
.llm-path-num {
  flex: 0 0 auto; width: 26px; height: 26px; border-radius: 50%;
  background: linear-gradient(135deg, #0a84ff, #30d158); color: #fff;
  font-size: 0.78rem; font-weight: 700; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 2px 8px rgba(10,132,255,0.35);
}
.llm-path-body { display: flex; flex-direction: column; min-width: 0; }
.llm-path-label { font-size: 0.66rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.llm-path-body a { font-size: 0.82rem; color: var(--text); text-decoration: none; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.llm-path-body a:hover { color: #0a84ff; }

/* ---- category groups ---- */
.llm-cat-group { display: flex; flex-direction: column; gap: 0.45rem; margin-bottom: 0.6rem; }
.llm-cat-group-head {
  display: flex; align-items: center; gap: 0.5rem; font-size: 0.78rem; font-weight: 700;
  color: var(--text); padding: 0.3rem 0.15rem 0;
}
.llm-cat-group-head::after { content: ""; flex: 1; height: 1px; background: var(--glass-border); }
.llm-cat-group-count {
  font-size: 0.66rem; font-weight: 600; color: #0a84ff;
  background: rgba(10,132,255,0.12); border: 1px solid rgba(10,132,255,0.3);
  border-radius: 999px; padding: 0.05rem 0.5rem;
}

/* ---- exact lines ---- */
.llm-lines { margin-top: 0.35rem; border: 1px solid var(--glass-border); border-radius: 10px; overflow: hidden; }
.llm-lines-head {
  display: flex; align-items: center; gap: 0.4rem; font-size: 0.7rem; color: var(--text-muted);
  padding: 0.35rem 0.6rem; background: rgba(10,132,255,0.06);
}
.llm-lines-toggle {
  font: inherit; font-size: 0.66rem; padding: 0.1rem 0.5rem; border-radius: 999px;
  border: 1px solid rgba(10,132,255,0.4); background: transparent; color: #0a84ff; cursor: pointer;
}
.llm-lines-toggle:hover { background: rgba(10,132,255,0.12); }
.llm-lines-body { padding: 0.4rem 0.6rem; background: rgba(0,0,0,0.15); max-height: 240px; overflow-y: auto; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.llm-line { display: flex; gap: 0.6rem; padding: 0.1rem 0; font-size: 0.72rem; line-height: 1.5; }
.llm-line-num { flex: 0 0 2.4em; text-align: right; color: var(--text-muted); opacity: 0.6; user-select: none; }
.llm-line-text { color: var(--text); white-space: pre-wrap; word-break: break-word; }
.llm-line-text mark { background: rgba(10,132,255,0.3); color: var(--text); border-radius: 2px; padding: 0 1px; }

/* ---- relation reasons ---- */
.rel-kind { font-size: 0.62rem; color: var(--text-muted); margin-right: 0.4rem; opacity: 0.75; }

/* ---- entrance effects ---- */
@keyframes llmFadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.llm-card { animation: llmFadeUp 0.4s ease both; animation-delay: calc(var(--gi, 0) * 0.07s); }
.llm-card:hover { border-color: rgba(10,132,255,0.5); box-shadow: 0 4px 18px rgba(10,132,255,0.12); transform: translateY(-1px); }
.llm-card { transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease; }
.llm-score-fill { transition: width 0.8s cubic-bezier(0.25, 0.8, 0.25, 1); }

/* ---- chat (ChatGPT-like) ---- */
.llm-chat {
  border: 1px solid var(--glass-border); border-radius: 16px;
  background: var(--glass-bg); display: flex; flex-direction: column;
  min-height: 320px; max-height: 60dvh; margin-top: 0.4rem;
}
.llm-chat-head { padding: 0.7rem 0.85rem 0.4rem; border-bottom: 1px solid var(--glass-border); }
.llm-chat-head h2 { margin: 0; font-size: 0.95rem; }
.llm-chat-sub { font-size: 0.7rem; color: var(--text-muted); display: block; margin-top: 0.15rem; }
.llm-chat-log {
  flex: 1; min-height: 0; overflow-y: auto; padding: 0.7rem 0.85rem;
  display: flex; flex-direction: column; gap: 0.5rem;
  -webkit-overflow-scrolling: touch;
}
.chat-msg { display: flex; flex-direction: column; }
.chat-msg.chat-user { align-items: flex-end; }
.chat-msg.chat-bot { align-items: flex-start; }
.chat-bubble {
  max-width: 88%; padding: 0.55rem 0.8rem; border-radius: 14px;
  font-size: 0.85rem; line-height: 1.55; white-space: pre-wrap; word-wrap: break-word;
}
.chat-user .chat-bubble {
  background: #0a84ff; color: #fff; border-bottom-right-radius: 4px;
}
.chat-bot .chat-bubble {
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  color: var(--text); border-bottom-left-radius: 4px;
}
.chat-sources { margin-top: 0.35rem; font-size: 0.7rem; color: var(--text-muted); }
.chat-sources a { color: #5ac8fa; text-decoration: none; margin-right: 0.45rem; }
.chat-sources a:hover { text-decoration: underline; }
.llm-chat-input-row { display: flex; gap: 0.45rem; padding: 0.6rem 0.85rem 0.75rem; }
.llm-chat-input-row input {
  flex: 1; padding: 10px 14px; font-size: 15px;
  border: 1px solid var(--glass-border); border-radius: 12px;
  background: var(--glass-bg); color: var(--text); outline: none; box-sizing: border-box;
}
.llm-chat-input-row input:focus { border-color: #0a84ff; }
.llm-chat-status { font-size: 0.7rem; color: var(--text-muted); padding: 0 0.85rem 0.6rem; min-height: 1em; }

@media (max-width: 480px) {
  .llm-body { padding: 0.35rem 0.6rem 0.75rem; }
  .llm-ask-btn { padding: 0 0.9rem; }
  .llm-card { padding: 0.6rem 0.7rem; }
  .llm-chat { min-height: 280px; max-height: 70dvh; }
}