/* ============================================================
   Visual Prompt Atlas — 视觉提示词图库
   Design system: F8W.com style (indigo-purple gradient, light bg)
   ============================================================ */

:root{
  --bg:#f4f5fa; --card:#ffffff; --line:#e9ebf3; --line2:#dfe2ee;
  --txt:#1b1f31; --txt2:#5c6377; --txt3:#9aa1b6;
  --pri:#6d5df6; --grad:linear-gradient(120deg,#6366f1,#a855f7);
  --cyan:#06b6d4; --orange:#ff7a45; --green:#16a34a; --blue:#2563eb; --pink:#ec4899; --red:#ef4444;
  --shadow:0 2px 10px rgba(27,31,49,.05);
  --shadow-h:0 10px 32px rgba(109,93,246,.14);
  --radius:16px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--txt);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(109, 93, 246, 0.18); }

/* ---------- Header ---------- */
header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 12px 26px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.brand { display: flex; align-items: center; gap: 9px; font-size: 19px; font-weight: 900; white-space: nowrap; }
.logo-badge {
  width: 36px; height: 36px; flex: none;
  border-radius: 10px;
  background: var(--grad);
  display: flex; align-items: center; justify-content: center;
  font-size: 17px;
  box-shadow: 0 4px 14px rgba(109, 93, 246, 0.35);
}
.brand .tag {
  margin-left: 2px;
  font-size: 11px;
  font-weight: 600;
  color: var(--pri);
  background: #f0effe;
  border: 1px solid #dcd9fb;
  border-radius: 999px;
  padding: 2px 10px;
  letter-spacing: 0.4px;
}

.header-right { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }

.lang-btn {
  background: #fff;
  color: var(--txt2);
  border: 1px solid var(--line2);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s;
}
.lang-btn:hover { border-color: var(--pri); color: var(--pri); }

#tabs { display: flex; gap: 4px; background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 4px; box-shadow: var(--shadow); }
#tabs button {
  border: none;
  background: transparent;
  color: var(--txt2);
  font-size: 13.5px;
  font-weight: 500;
  padding: 7px 16px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.15s;
}
#tabs button:hover { color: var(--pri); }
#tabs button.active {
  background: var(--grad);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(109, 93, 246, 0.3);
}

/* ---------- Layout ---------- */
main { max-width: 1180px; margin: 0 auto; padding: 30px 20px 60px; }

.view { display: none; }
.view.active { display: block; animation: fadeIn 0.28s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #eceefd 0%, rgba(244, 245, 250, 0) 100%);
  border: 1px solid #e4e6f7;
  border-radius: 18px;
  padding: 26px 28px 24px;
  margin-bottom: 22px;
}
.hero::before, .hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  pointer-events: none;
}
.hero::before { width: 340px; height: 340px; background: #c7d2fe; opacity: 0.55; top: -150px; right: -60px; }
.hero::after { width: 280px; height: 280px; background: #fbcfe8; opacity: 0.4; bottom: -140px; left: -50px; }
.hero h1 {
  position: relative;
  margin: 0 0 8px;
  font-size: clamp(24px, 5vw, 34px);
  font-weight: 900;
  letter-spacing: 1.5px;
  color: var(--txt);
}
.hero h1::after {
  content: "";
  display: block;
  width: 54px;
  height: 4px;
  margin-top: 10px;
  border-radius: 999px;
  background: var(--grad);
}
.hero p { position: relative; margin: 0; color: var(--txt2); font-size: 14px; }

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}

/* ---------- Buttons & inputs ---------- */
.btn {
  border: 1px solid var(--line2);
  background: #fff;
  color: var(--txt);
  border-radius: 10px;
  padding: 9px 16px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.15s;
}
.btn:hover { border-color: var(--pri); color: var(--pri); }
.btn.primary {
  background: var(--grad);
  border: none;
  color: #fff;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(109, 93, 246, 0.3);
}
.btn.primary:hover { filter: brightness(1.07); color: #fff; }
.btn.ghost { background: transparent; color: var(--txt2); border-color: transparent; }
.btn.ghost:hover { color: var(--pri); background: #f0effe; border-color: transparent; }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; align-items: center; }

textarea, input[type="text"], input:not([type]) {
  width: 100%;
  background: #fff;
  border: 1px solid var(--line2);
  border-radius: 10px;
  color: var(--txt);
  padding: 12px 14px;
  font-size: 14px;
  font-family: inherit;
  resize: vertical;
}
textarea:focus, input:focus { outline: none; border-color: var(--pri); box-shadow: 0 0 0 3px rgba(109, 93, 246, 0.12); }

.hint { color: var(--txt3); font-size: 12.5px; margin: 12px 0 0; }

/* ---------- Checker ---------- */
.mode-row { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.mode-label { font-size: 13px; font-weight: 600; color: var(--txt2); margin-right: 2px; }
.mode-btn {
  border: 1px solid var(--line2);
  background: #fff;
  color: var(--txt2);
  font-size: 13px;
  font-weight: 500;
  padding: 6px 15px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.15s;
}
.mode-btn:hover { border-color: var(--pri); color: var(--pri); }
.mode-btn.active {
  background: var(--grad);
  color: #fff;
  border-color: transparent;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(109, 93, 246, 0.3);
}

.checker-grid { display: grid; grid-template-columns: 5fr 6fr; gap: 18px; align-items: start; }
.report-empty {
  color: var(--txt3);
  text-align: center;
  padding: 60px 0;
  font-size: 15px;
}

.rep-head { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; margin-bottom: 18px; }
.rep-score {
  width: 118px; height: 118px; flex: none;
  border-radius: 50%;
  display: flex; align-items: baseline; justify-content: center;
  background: conic-gradient(#a855f7 calc(var(--p, 0) * 1%), #eef0fa 0);
  position: relative;
  box-shadow: 0 6px 18px rgba(109, 93, 246, 0.2);
}
.rep-score::before {
  content: "";
  position: absolute; inset: 9px;
  background: #fff;
  border-radius: 50%;
  border: 1px solid var(--line);
}
.rep-score .score-num { position: relative; font-size: 40px; font-weight: 800; line-height: 118px; padding-left: 14px; color: var(--txt); }
.rep-score .score-max { position: relative; color: var(--txt3); font-size: 14px; margin-left: -30px; }
.rep-meta { flex: 1; min-width: 200px; }
.rep-level { font-size: 15px; font-weight: 700; margin-bottom: 10px; }
.rep-level.level-high { color: var(--green); }
.rep-level.level-medium { color: var(--cyan); }
.rep-level.level-low { color: var(--blue); }
.rep-level.level-conflict { color: var(--red); }
.rep-counts { font-size: 12px; color: var(--txt2); margin-bottom: 6px; }
.rep-cov { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--txt2); }
.rep-cov .bar { flex: 1; height: 8px; background: #eef0fa; border-radius: 999px; overflow: hidden; }
.rep-cov .bar-fill { height: 100%; background: var(--grad); border-radius: 999px; }
.rep-cov b { color: var(--txt); }

.rep-slots { display: flex; flex-direction: column; gap: 10px; }
.rep-slot {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 14px;
  background: #fafbfe;
  display: flex; gap: 14px; align-items: flex-start;
}
.rep-slot.ok { border-left: 3px solid var(--green); }
.rep-slot.miss { border-left: 3px solid var(--blue); }
.rep-slot.maybe { border-left: 3px solid var(--orange); }
.rep-slot.na { border-left: 3px solid var(--line2); opacity: 0.75; }
.rep-slot-name { flex: none; width: 96px; font-weight: 700; font-size: 14px; padding-top: 3px; }
.rep-slot-body { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.miss-tag { color: var(--blue); font-size: 12.5px; margin-right: 4px; }
.rep-slot.maybe .miss-tag { color: var(--orange); }
.na-tag { color: var(--txt3); font-size: 12.5px; }

.chip {
  display: inline-flex; align-items: center; gap: 6px;
  background: #fff;
  border: 1px solid var(--line2);
  border-radius: 8px;
  padding: 3px 10px;
  font-size: 13px;
}
.chip b { font-weight: 600; }
.chip .chip-en { color: var(--txt3); font-size: 11.5px; }
.chip.sugg { cursor: pointer; border-style: dashed; border-color: var(--pri); color: var(--txt); }
.chip.sugg:hover { background: rgba(109, 93, 246, 0.08); }
.chip.low-chip { border-color: rgba(239, 68, 68, 0.45); }
.chip.implied { border-style: dotted; border-color: var(--cyan); color: var(--txt2); background: rgba(6, 182, 212, 0.05); }
.chip.conflict-chip {
  border-color: rgba(239, 68, 68, 0.45);
  background: rgba(239, 68, 68, 0.05);
  opacity: 0.8;
  cursor: not-allowed;
}
.conflict-badge {
  background: rgba(239, 68, 68, 0.14);
  color: var(--red);
  font-size: 10.5px;
  font-weight: 700;
  border-radius: 5px;
  padding: 1px 6px;
}
.rep-maybe-note { margin-top: 8px; font-size: 12px; color: var(--orange); }
.rep-na-note { margin-top: 8px; font-size: 12px; color: var(--txt3); }

.rep-uncertain { margin-top: 16px; border: 1px solid rgba(239, 68, 68, 0.3); background: rgba(239, 68, 68, 0.04); border-radius: 12px; padding: 12px 14px; display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.rep-unc-title { width: 100%; font-weight: 700; color: var(--red); font-size: 13.5px; }
.rep-unc-desc { width: 100%; color: var(--txt2); font-size: 12.5px; margin-bottom: 2px; }
.rep-uncertain.mismatch { border-color: rgba(239, 68, 68, 0.35); background: rgba(239, 68, 68, 0.04); }
.rep-uncertain.conflict-sec { border-color: rgba(239, 68, 68, 0.35); background: rgba(239, 68, 68, 0.05); }
.rep-uncertain.tension-sec { border-color: rgba(6, 182, 212, 0.4); background: rgba(6, 182, 212, 0.05); }
.rep-uncertain.tension-sec .rep-unc-title { color: var(--cyan); }
.macro-mini {
  background: rgba(236, 72, 153, 0.14);
  color: var(--pink);
  font-size: 9.5px;
  font-weight: 800;
  border-radius: 4px;
  padding: 0 5px;
}
.opt-expand { margin-top: 8px; font-size: 12.5px; color: var(--pink); line-height: 1.8; }

.score { font-size: 11px; font-weight: 700; border-radius: 6px; padding: 1px 7px; margin-left: 2px; }
.score.high { background: rgba(22, 163, 74, 0.1); color: var(--green); }
.score.mid { background: rgba(255, 122, 69, 0.12); color: var(--orange); }
.score.low { background: rgba(239, 68, 68, 0.1); color: var(--red); }

/* Optimized block */
.opt-block {
  margin-top: 14px;
  border: 1px solid rgba(109, 93, 246, 0.45);
  background: rgba(109, 93, 246, 0.06);
  border-radius: 14px;
  padding: 14px 16px;
}
.opt-title { font-weight: 700; color: var(--pri); font-size: 14px; margin-bottom: 8px; }
.opt-complete {
  font-weight: 700;
  color: var(--green);
  background: rgba(22, 163, 74, 0.08);
  border: 1px solid rgba(22, 163, 74, 0.35);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 13.5px;
  margin-bottom: 10px;
}
.opt-en {
  background: #f7f8fd;
  border: 1px solid var(--line2);
  border-radius: 8px;
  padding: 10px 12px;
  font-family: "SF Mono", "Cascadia Mono", Consolas, "Courier New", monospace;
  font-size: 13px;
  word-break: break-word;
  margin-bottom: 10px;
  color: #4640b0;
}
.opt-zh { font-size: 13px; color: var(--txt); line-height: 1.9; }
.opt-note { margin-top: 8px; font-size: 12px; color: var(--orange); }
.opt-stats { margin-top: 8px; font-size: 12.5px; color: var(--txt2); }
.opt-block .btn { margin-top: 10px; }

/* ---------- Recipe ---------- */
.recipe-grid { display: grid; grid-template-columns: 6fr 5fr; gap: 18px; align-items: start; }
.field { margin-bottom: 12px; }
.field label { display: block; font-size: 13px; font-weight: 600; color: var(--txt2); margin-bottom: 5px; }

.picker { margin-bottom: 14px; }
.picker-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 6px; }
.picker-name { font-weight: 700; font-size: 14px; }
.picker-desc { color: var(--txt3); font-size: 11.5px; }
.picker-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.picker-chips .chip { cursor: pointer; transition: all 0.15s; }
.picker-chips .chip:hover { border-color: var(--pri); }
.picker-chips .chip.sel {
  background: linear-gradient(120deg, rgba(99, 102, 241, 0.12), rgba(168, 85, 247, 0.12));
  border-color: var(--pri);
  color: var(--txt);
  box-shadow: 0 2px 8px rgba(109, 93, 246, 0.18);
}

/* Card preview — indigo-family scene gradients */
#card-preview {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  overflow: hidden;
  margin-bottom: 16px;
  background: #fff;
  box-shadow: var(--shadow-h);
}
.card-stage {
  position: relative;
  aspect-ratio: 3 / 3.6;
  display: flex; flex-direction: column; justify-content: space-between;
  padding: 16px;
  color: #fff;
  text-shadow: 0 1px 6px rgba(20, 18, 40, 0.6);
}
.card-stage.grad-default { background: linear-gradient(180deg, #2f2a5e, #5b54c9); }
.card-stage.grad-dawn { background: linear-gradient(180deg, #5a4f9e, #c98ba6 55%, #ffd9a0); }
.card-stage.grad-dusk { background: linear-gradient(180deg, #35295c, #9c5a9e 55%, #ffb08a); }
.card-stage.grad-blue-hour { background: linear-gradient(180deg, #1e2a52, #3d5a94 65%, #8fb0d8); }
.card-stage.grad-night { background: linear-gradient(180deg, #14162b, #262b4d 60%, #33395e); }
.card-stage.grad-rainy-night { background: linear-gradient(180deg, #171a2e, #2c3550 55%, #3d4a68); }
.card-stage.grad-cyberpunk { background: linear-gradient(180deg, #2a1040, #6b1f7a 45%, #0e4a5e); }
.card-stage.grad-pastel { background: linear-gradient(180deg, #f2d9e8, #d9e2f7 60%, #e7f0d9); color: #3d3350; text-shadow: none; }
.card-stage.grad-vivid { background: linear-gradient(180deg, #6d28d9, #c026d3 50%, #f59e0b); }
.card-stage.grad-desat { background: linear-gradient(180deg, #4b4e5e, #868ba0); }
.card-stage.grad-mono { background: linear-gradient(180deg, #26262e, #6e6e78 70%, #d0d0d6); }
.card-stage.grad-teal { background: linear-gradient(180deg, #0b3b47, #0e7490 45%, #e08a3c); }
.card-top { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.card-brand { font-size: 11px; opacity: 0.9; letter-spacing: 1.5px; font-weight: 700; }
.card-scorepill {
  background: rgba(20, 18, 40, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  padding: 3px 12px;
}
.card-mid { text-align: center; }
.card-main { font-size: 19px; font-weight: 800; line-height: 1.5; }
.card-main small { display: block; font-size: 12px; font-weight: 400; opacity: 0.85; margin-top: 2px; }
.card-img-note {
  display: inline-block;
  margin-top: 14px;
  font-size: 10.5px;
  opacity: 0.85;
  border: 1px dashed rgba(255, 255, 255, 0.55);
  border-radius: 8px;
  padding: 4px 10px;
}
.card-chips { display: flex; flex-wrap: wrap; gap: 5px; justify-content: center; }
.card-chips .cc {
  background: rgba(20, 18, 40, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 999px;
  font-size: 10.5px;
  padding: 2px 9px;
}
.card-empty {
  aspect-ratio: 3 / 3.6;
  display: flex; align-items: center; justify-content: center;
  color: var(--txt3); font-size: 14px; text-align: center; padding: 20px;
}
.card-foot {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 16px;
  background: #fafbfe;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--txt2);
}
.card-foot b { color: var(--txt); }

.prompt-block { position: relative; margin-bottom: 14px; padding: 12px 14px; background: #fafbfe; border: 1px solid var(--line); border-radius: 12px; }
.prompt-title { font-size: 12.5px; font-weight: 700; color: var(--txt2); margin-bottom: 6px; }
.prompt-text { font-size: 13.5px; white-space: pre-wrap; word-break: break-word; color: var(--txt); }
.mini {
  position: absolute; top: 8px; right: 10px;
  background: #fff; color: var(--txt2);
  border: 1px solid var(--line2); border-radius: 7px;
  font-size: 11.5px; padding: 2px 10px; cursor: pointer;
}
.mini:hover { color: var(--pri); border-color: var(--pri); }

/* ---------- Library ---------- */
.lib-toolbar { display: flex; flex-direction: column; gap: 12px; margin-bottom: 18px; }
#lib-slots { display: flex; flex-wrap: wrap; gap: 6px; }
#lib-slots button {
  background: #fff;
  color: var(--txt2);
  border: 1px solid var(--line2);
  border-radius: 999px;
  padding: 5px 13px;
  font-size: 12.5px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}
#lib-slots button:hover { color: var(--pri); border-color: var(--pri); }
#lib-slots button.active { background: var(--grad); color: #fff; border-color: transparent; font-weight: 700; box-shadow: 0 4px 12px rgba(109, 93, 246, 0.3); }

#lib-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 14px; }
.atom-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 16px;
  display: flex; flex-direction: column; gap: 6px;
  box-shadow: var(--shadow);
  transition: border-color 0.15s, transform 0.15s, box-shadow 0.15s;
}
.atom-card:hover { border-color: var(--pri); transform: translateY(-2px); box-shadow: var(--shadow-h); }
.atom-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.atom-zh { font-weight: 700; font-size: 15px; }
.atom-zh .macro-badge {
  margin-left: 6px;
  font-size: 10px;
  font-weight: 700;
  color: var(--pink);
  background: rgba(236, 72, 153, 0.1);
  border: 1px solid rgba(236, 72, 153, 0.4);
  border-radius: 5px;
  padding: 1px 6px;
  vertical-align: 2px;
}
.atom-zh .status-badge {
  margin-left: 6px;
  font-size: 10px;
  font-weight: 700;
  border-radius: 5px;
  padding: 1px 6px;
  vertical-align: 2px;
}
.status-badge.est { color: var(--txt3); background: #f0f1f7; border: 1px solid var(--line2); }
.status-badge.bench { color: var(--green); background: rgba(22, 163, 74, 0.1); border: 1px solid rgba(22, 163, 74, 0.4); }
.atom-meta { color: var(--pink); font-size: 11.5px; }
.atom-en { color: var(--pri); font-size: 12.5px; font-weight: 600; }
.atom-desc { color: var(--txt2); font-size: 12.5px; flex: 1; }
.atom-example { background: #f7f8fd; border: 1px solid var(--line2); border-radius: 8px; padding: 6px 10px; font-family: "SF Mono", "Cascadia Mono", Consolas, monospace; font-size: 12px; color: #4a4f68; word-break: break-all; }
.lib-empty { color: var(--txt3); text-align: center; padding: 50px 0; }

/* ---------- Toast & footer ---------- */
.toast {
  position: fixed; left: 50%; bottom: 34px;
  transform: translateX(-50%) translateY(20px);
  background: #fff; color: var(--txt);
  border: 1px solid var(--pri);
  border-radius: 12px;
  padding: 10px 20px;
  font-size: 14px;
  opacity: 0; pointer-events: none;
  transition: all 0.25s;
  z-index: 99;
  max-width: 80vw;
  box-shadow: var(--shadow-h);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.err { border-color: var(--red); }

footer {
  max-width: 1180px;
  margin: 0 auto;
  padding: 20px 20px 36px;
  color: var(--txt3);
  font-size: 12.5px;
  border-top: 1px solid var(--line);
}
footer a { color: var(--pri); text-decoration: none; }
footer a:hover { text-decoration: underline; }
footer code { background: #f0effe; border-radius: 5px; padding: 1px 6px; font-size: 12px; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .checker-grid, .recipe-grid { grid-template-columns: 1fr; }
  .rep-slot { flex-direction: column; gap: 6px; }
  .rep-slot-name { width: auto; }
  header { flex-direction: column; align-items: flex-start; }
  .header-right { width: 100%; justify-content: space-between; }
  .hero { padding: 20px 18px 18px; }
}

/* ---------- Measured detail (benchmarked atoms) ---------- */
.atom-measured { margin-top: 4px; font-size: 11.5px; color: #16a34a; font-weight: 600; letter-spacing: .2px; }

/* ---------- Evidence pair (benchmarked atoms) ---------- */
.atom-evidence { display: flex; gap: 8px; align-items: flex-start; margin-top: 8px; flex-wrap: wrap; }
.atom-evidence a { display: flex; flex-direction: column; gap: 3px; text-decoration: none; }
.atom-evidence img { width: 132px; height: 132px; object-fit: cover; border-radius: 8px; border: 1px solid #e9ebf3; }
.atom-evidence span { font-size: 11px; color: #6b7280; text-align: center; }
.atom-evidence em { font-style: normal; font-size: 10.5px; color: #9ca3af; flex-basis: 100%; }
.atom-evidence a:hover img { border-color: #6366f1; box-shadow: 0 2px 10px rgba(99,102,241,.25); }

/* ---------- Storyboard page ---------- */
.sb-main { max-width: 980px; margin: 0 auto; padding: 18px; display: flex; flex-direction: column; gap: 16px; }
.sb-main .hero { text-align: center; }
.sb-input textarea, .sb-input input { width: 100%; box-sizing: border-box; }
.sb-row { display: flex; gap: 12px; align-items: flex-end; margin-top: 10px; flex-wrap: wrap; }
.sb-row .field { flex: 0 0 130px; }
.sb-row .btn { flex: 0 0 auto; }
.sb-seg { display: flex; flex-direction: column; gap: 8px; }
.sb-seg-head { font-weight: 800; font-size: 15px; }
.sb-seg-range { color: #6366f1; font-weight: 600; font-size: 12.5px; margin-left: 6px; }
.sb-beat { display: flex; gap: 8px; align-items: center; }
.sb-beat-t { flex: 0 0 64px; font-size: 11.5px; color: #6b7280; font-family: monospace; }
.sb-beat-role { flex: 0 0 52px; font-size: 11px; color: #9ca3af; }
.sb-beat input { flex: 1; }
.sb-slots { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 6px 10px; padding-top: 4px; border-top: 1px dashed #e9ebf3; }
.sb-slot { display: flex; flex-direction: column; gap: 2px; font-size: 12px; }
.sb-slot em { font-style: normal; color: #6b7280; font-size: 11px; }
.sb-slot select { width: 100%; }
.sb-conflict { font-size: 12px; color: #dc2626; min-height: 16px; }
.sb-ok { color: #16a34a; }
.sb-actions { display: flex; gap: 10px; flex-wrap: wrap; margin: 8px 0; }
.sb-pre { background: #f8fafc; border: 1px solid #e9ebf3; border-radius: 10px; padding: 12px; font-size: 12.5px; white-space: pre-wrap; word-break: break-word; max-height: 260px; overflow: auto; }
.sb-prof { font-size: 12.5px; color: #374151; padding: 3px 0; border-bottom: 1px dashed #e9ebf3; }

/* ---------- Storyboard tab in main page ---------- */
#view-storyboard { max-width: 980px; margin: 0 auto; }
#view-storyboard > * + * { margin-top: 16px; }
#view-storyboard .sb-input textarea, #view-storyboard .sb-input input { width: 100%; box-sizing: border-box; }

/* ---------- Storyboard v2 ---------- */
.sb-seg-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.sb-seg-btns { margin-left: auto; display: flex; gap: 6px; }
.btn.mini { padding: 3px 10px; font-size: 12px; }
.sb-hint { color: #9ca3af; }
.sb-label { font-size: 12px; color: #6b7280; margin: 10px 0 4px; font-weight: 600; }

.rep-ev { font-size: 11.5px; color: #6b7280; margin-top: 3px; }