:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1e222b;
  --border: #2a2f3a;
  --text: #e8ebf0;
  --muted: #99a1b3;
  --accent: #5b8cff;
  --accent-soft: rgba(91, 140, 255, 0.14);
  --good: #45c08a;
  --warn: #e0a23a;
  --bad: #e0635c;
  --radius: 12px;
  --shadow: 0 6px 24px rgba(0, 0, 0, 0.28);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 15px;
  line-height: 1.55;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 22px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, #181c24, #14171d);
  position: sticky;
  top: 0;
  z-index: 5;
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo { font-size: 30px; line-height: 1; }
.topbar h1 { margin: 0; font-size: 19px; letter-spacing: 0.2px; }
.tagline { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
.topbar-actions { display: flex; gap: 8px; }

button {
  font: inherit;
  cursor: pointer;
  border-radius: 9px;
  border: 1px solid var(--border);
  transition: background 0.15s, border-color 0.15s, transform 0.05s;
}
button:active { transform: translateY(1px); }
.ghost { background: var(--panel-2); color: var(--text); padding: 7px 13px; }
.ghost:hover { border-color: var(--accent); color: #fff; }
.primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  padding: 11px 16px;
  font-weight: 600;
  width: 100%;
}
.primary:hover { background: #6f9bff; }

.layout {
  display: grid;
  grid-template-columns: minmax(300px, 360px) minmax(0, 1fr) minmax(240px, 300px);
  gap: 16px;
  padding: 16px 22px 40px;
  max-width: 1440px;
  margin: 0 auto;
  align-items: start;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.form-panel { padding: 16px; position: sticky; top: 76px; }

.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 13px; }
.field > span { font-size: 13px; color: var(--muted); font-weight: 500; }
.field > span em { color: var(--accent); font-style: normal; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

input, textarea, select {
  font: inherit;
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 9px 11px;
  width: 100%;
  resize: vertical;
}
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.hint { color: var(--muted); font-size: 12px; }

/* 决策卡 */
.card-panel { padding: 0; overflow: hidden; min-height: 60vh; }
.card-toolbar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 18px;
  border-bottom: 1px solid var(--border);
  background: var(--panel-2);
  flex-wrap: wrap;
}
.score-chip {
  display: flex;
  align-items: baseline;
  gap: 1px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 5px 11px;
}
.score-num { font-size: 22px; font-weight: 700; color: var(--accent); }
.score-den { font-size: 12px; color: var(--muted); }
.score-grade { font-size: 13.5px; color: var(--muted); flex: 1; min-width: 120px; }
.card-export { display: flex; gap: 8px; }

.card-output { padding: 6px 20px 22px; }
.empty {
  color: var(--muted);
  text-align: center;
  padding: 60px 20px;
  font-size: 14px;
}

.sec { margin-top: 20px; }
.sec h3 {
  font-size: 14px;
  margin: 0 0 9px;
  padding-bottom: 6px;
  border-bottom: 1px dashed var(--border);
  color: #cfd6e4;
  display: flex;
  align-items: center;
  gap: 7px;
}
.sec h3 .ic { font-size: 15px; }
.sec ul { margin: 0; padding-left: 18px; }
.sec li { margin: 5px 0; }
.sec p.lead { margin: 0; }
.muted-line { color: var(--muted); font-size: 13px; }

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}
.pill {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 11px;
  font-size: 12.5px;
  color: var(--muted);
}
.pill b { color: var(--text); font-weight: 600; }

.bias li { color: var(--text); }
.bias .bname { color: var(--warn); font-weight: 600; }
.kill li { color: #f0c9c6; }
.premortem li { color: #e9d6c2; }

/* 质量自检 */
.checks { list-style: none; padding-left: 0; }
.checks li { display: flex; gap: 9px; align-items: flex-start; }
.checks .box { flex: none; width: 18px; height: 18px; border-radius: 5px; display: inline-flex; align-items: center; justify-content: center; font-size: 12px; margin-top: 1px; }
.checks .pass .box { background: rgba(69,192,138,0.18); color: var(--good); border: 1px solid rgba(69,192,138,0.4); }
.checks .fail .box { background: rgba(224,99,92,0.14); color: var(--bad); border: 1px solid rgba(224,99,92,0.4); }
.checks .fail .ctext { color: var(--muted); }
.checks .fix { color: var(--warn); font-size: 12.5px; }

/* 决策日志 */
.log-panel { padding: 16px; position: sticky; top: 76px; max-height: calc(100vh - 96px); display: flex; flex-direction: column; }
.log-head { display: flex; align-items: center; gap: 8px; }
.log-head h2 { font-size: 16px; margin: 0; }
.log-count { background: var(--accent-soft); color: var(--accent); border-radius: 999px; padding: 1px 9px; font-size: 12px; font-weight: 600; }
.log-sub { color: var(--muted); font-size: 12px; margin: 6px 0 12px; }
.log-list { overflow-y: auto; display: flex; flex-direction: column; gap: 9px; }
.log-empty { color: var(--muted); font-size: 13px; text-align: center; padding: 24px 8px; }

.log-item {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 11px;
  cursor: pointer;
  transition: border-color 0.15s;
}
.log-item:hover { border-color: var(--accent); }
.log-item .li-title { font-size: 13.5px; font-weight: 600; line-height: 1.35; margin-bottom: 5px; word-break: break-word; }
.log-item .li-meta { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.tag { font-size: 11px; border-radius: 6px; padding: 1px 7px; border: 1px solid var(--border); color: var(--muted); }
.tag.due { background: rgba(224,99,92,0.16); color: #f0a39e; border-color: rgba(224,99,92,0.4); }
.tag.soon { background: rgba(224,162,58,0.16); color: var(--warn); border-color: rgba(224,162,58,0.4); }
.tag.future { color: var(--muted); }
.li-actions { display: flex; gap: 6px; margin-top: 8px; }
.li-actions button { font-size: 11.5px; padding: 3px 9px; background: var(--bg); }
.li-del:hover { border-color: var(--bad); color: var(--bad); }

.footer {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  color: var(--muted);
  font-size: 12px;
  padding: 18px 22px 30px;
  border-top: 1px solid var(--border);
}
.footer .dot { opacity: 0.5; }

.toast {
  position: fixed;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: #2a2f3a;
  color: #fff;
  border: 1px solid var(--border);
  padding: 10px 18px;
  border-radius: 10px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 30;
  box-shadow: var(--shadow);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 1080px) {
  .layout { grid-template-columns: 1fr; }
  .form-panel, .log-panel { position: static; max-height: none; }
}
@media (max-width: 540px) {
  .topbar { flex-wrap: wrap; }
  .layout { padding: 12px 13px 32px; }
  .field-row { grid-template-columns: 1fr; }
}