/* 元始泉·0806 看板样式 —— 智者气质：克制、安静、留白；深色可读；不做炒股红绿乱跳 */
:root {
  --bg: #0f1419;
  --bg-card: #161c24;
  --bg-elev: #1d2530;
  --ink: #e6e9ee;
  --ink-soft: #9aa6b4;
  --ink-faint: #6b7787;
  --line: #2a333f;
  --accent: #7fa8c9;        /* 静蓝：稳、深 */
  --accent-soft: #4d6a85;
  --demo: #e08a3c;          /* 框架演示醒目橙 */
  --demo-bg: #3a2a17;
  --ok: #6fae8e;            /* 克制的绿，仅用于状态点，不喧哗 */
  --warn: #c9a14d;
  --radius: 14px;
  --shadow: 0 1px 0 rgba(255,255,255,0.02), 0 8px 28px rgba(0,0,0,0.35);
  font-synthesis: none;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Noto Sans SC",
    "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.7;
  letter-spacing: 0.01em;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f1ea; --bg-card: #fbf9f4; --bg-elev: #fff;
    --ink: #232a31; --ink-soft: #54606c; --ink-faint: #8a96a2; --line: #e3ddd0;
    --demo-bg: #fbecd9;
  }
}

/* 框架演示提示条 */
.demo-banner {
  position: sticky; top: 0; z-index: 50;
  background: var(--demo-bg);
  color: var(--demo);
  border-bottom: 1px solid var(--demo);
  text-align: center;
  font-size: 0.86rem;
  font-weight: 600;
  padding: 8px 16px;
  letter-spacing: 0.02em;
}
.demo-banner.hidden { display: none; }

/* 顶栏 */
.topbar {
  display: flex; justify-content: space-between; align-items: flex-end;
  flex-wrap: wrap; gap: 16px;
  padding: 28px clamp(16px, 4vw, 48px) 18px;
  border-bottom: 1px solid var(--line);
}
.brand h1 { margin: 0; font-size: clamp(1.3rem, 3vw, 1.8rem); font-weight: 600; }
.brand .sub { color: var(--ink-soft); font-weight: 400; }
.tagline { margin: 4px 0 0; color: var(--ink-faint); font-size: 0.85rem; }
.meta { display: flex; flex-direction: column; align-items: flex-end; gap: 6px; }
.meta-actions { display: flex; gap: 8px; }
.as-of { color: var(--ink-faint); font-size: 0.8rem; font-variant-numeric: tabular-nums; }

.badge {
  display: inline-block; padding: 5px 12px; border-radius: 999px;
  font-size: 0.8rem; font-weight: 600; border: 1px solid transparent;
}
.badge-demo { background: var(--demo-bg); color: var(--demo); border-color: var(--demo); }
.badge-live { background: rgba(111,174,142,0.12); color: var(--ok); border-color: var(--ok); }
.badge-unknown { background: var(--bg-elev); color: var(--ink-faint); border-color: var(--line); }

/* 主体 */
main {
  max-width: 920px; margin: 0 auto;
  padding: 24px clamp(16px, 4vw, 48px) 48px;
  display: flex; flex-direction: column; gap: 20px;
}
.card {
  background: var(--bg-card); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 22px clamp(16px, 3vw, 28px);
}
.card-title { margin: 0 0 16px; font-size: 1.05rem; font-weight: 600; }
.card-sub, .card-title .card-sub { color: var(--ink-faint); font-size: 0.8rem; font-weight: 400; }

/* 当前势态 */
.shi-wrap { display: flex; align-items: center; gap: clamp(16px, 4vw, 36px); flex-wrap: wrap; }
.shi-state {
  font-size: clamp(3.6rem, 12vw, 6rem); font-weight: 700; line-height: 1;
  min-width: 1.6em; text-align: center; color: var(--accent);
}
.shi-side { flex: 1; min-width: 220px; }
.shi-note { margin: 0 0 14px; color: var(--ink-soft); }
.pills { display: flex; flex-wrap: wrap; gap: 8px; }
.pill {
  background: var(--bg-elev); border: 1px solid var(--line);
  border-radius: 8px; padding: 4px 10px; font-size: 0.8rem; color: var(--ink-soft);
}
.pill.hitl-on { color: var(--warn); border-color: var(--warn); }

/* 心电图 */
.chart-box { height: 220px; }

/* 置信度条 */
.conf-bar-wrap { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.conf-bar {
  flex: 1; height: 8px; background: var(--bg-elev);
  border-radius: 999px; overflow: hidden; border: 1px solid var(--line);
}
.conf-bar-fill { height: 100%; width: 0; background: var(--accent); transition: width 0.5s ease; }
.conf-bar-label { color: var(--ink-soft); font-size: 0.82rem; font-variant-numeric: tabular-nums; min-width: 6em; }

/* 七段式 */
.seven-seg {
  margin: 0; white-space: pre-wrap; word-break: break-word;
  font-family: "SF Mono", "JetBrains Mono", "Noto Sans Mono CJK SC", ui-monospace, monospace;
  font-size: 0.9rem; line-height: 1.85; color: var(--ink);
  background: var(--bg-elev); border: 1px solid var(--line);
  border-radius: 10px; padding: 18px 20px;
}

/* 操作区 */
.actions { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.btn {
  background: var(--accent); color: #0f1419; border: none;
  border-radius: 9px; padding: 9px 18px; font-size: 0.9rem; font-weight: 600;
  cursor: pointer; transition: opacity 0.2s ease;
}
.btn:hover { opacity: 0.88; }
.btn:disabled { opacity: 0.5; cursor: progress; }
.btn-ghost { background: transparent; color: var(--ink-soft); border: 1px solid var(--line); }
.status-msg { color: var(--ink-faint); font-size: 0.82rem; }

/* 历史 */
.history { list-style: none; margin: 0; padding: 0; max-height: 320px; overflow-y: auto; }
.history li {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; border-radius: 9px; cursor: pointer;
  border: 1px solid transparent;
}
.history li:hover { background: var(--bg-elev); }
.history li.active { border-color: var(--accent); background: var(--bg-elev); }
.history li.empty { color: var(--ink-faint); cursor: default; justify-content: center; }
.h-state { font-size: 1.2rem; font-weight: 700; color: var(--accent); width: 1.4em; text-align: center; }
.h-time { color: var(--ink-soft); font-size: 0.82rem; font-variant-numeric: tabular-nums; }
.h-conf { color: var(--ink-faint); font-size: 0.78rem; margin-left: auto; }
.h-demo { font-size: 0.7rem; color: var(--demo); border: 1px solid var(--demo); border-radius: 5px; padding: 1px 6px; }
.h-hitl { font-size: 0.7rem; color: var(--warn); }

/* 页脚 */
.footer {
  max-width: 920px; margin: 0 auto; padding: 24px clamp(16px, 4vw, 48px) 40px;
  border-top: 1px solid var(--line); color: var(--ink-faint); font-size: 0.78rem;
  display: flex; flex-direction: column; gap: 6px;
}
.footer .disclaim { color: var(--ink-faint); opacity: 0.85; }

/* ⚙ 设置入口（克制：弱化按钮，不喧宾夺主） */
.settings-btn {
  background: transparent; color: var(--ink-soft);
  border: 1px solid var(--line); border-radius: 8px;
  padding: 4px 10px; font-size: 0.78rem; cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.settings-btn:hover { color: var(--accent); border-color: var(--accent-soft); }

/* 模态遮罩 + 面板 */
.overlay {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(8, 11, 15, 0.62);
  display: flex; align-items: flex-start; justify-content: center;
  padding: clamp(24px, 8vh, 96px) 16px; overflow-y: auto;
}
.overlay.hidden { display: none; }
.modal {
  width: 100%; max-width: 480px;
  background: var(--bg-card); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 22px clamp(18px, 4vw, 26px);
}
.modal-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.modal-title { margin: 0; font-size: 1.08rem; font-weight: 600; }
.icon-btn {
  background: transparent; border: none; color: var(--ink-faint);
  font-size: 1.1rem; cursor: pointer; line-height: 1; padding: 2px 6px;
}
.icon-btn:hover { color: var(--ink); }

.settings-section.hidden { display: none; }
.settings-hint { margin: 0 0 14px; color: var(--ink-soft); font-size: 0.86rem; }

.field { display: block; margin-bottom: 14px; }
.field-label { display: block; color: var(--ink-soft); font-size: 0.8rem; margin-bottom: 6px; }
.field-sub { color: var(--ink-faint); font-size: 0.74rem; font-weight: 400; }
.input {
  width: 100%; background: var(--bg-elev); color: var(--ink);
  border: 1px solid var(--line); border-radius: 9px;
  padding: 9px 12px; font-size: 0.9rem; font-family: inherit;
}
.input:focus { outline: none; border-color: var(--accent-soft); }
select.input { cursor: pointer; }

.advanced { margin-bottom: 14px; }
.advanced > summary { color: var(--ink-faint); font-size: 0.8rem; cursor: pointer; margin-bottom: 10px; }

.settings-actions { display: flex; align-items: center; gap: 12px; margin-top: 4px; flex-wrap: wrap; }
.settings-msg { margin: 12px 0 0; font-size: 0.84rem; min-height: 1.2em; }
.settings-msg.ok { color: var(--ok); }
.settings-msg.err { color: var(--demo); }

.cur-status {
  display: flex; flex-direction: column; gap: 6px;
  background: var(--bg-elev); border: 1px solid var(--line);
  border-radius: 10px; padding: 12px 14px; margin-bottom: 18px;
  font-size: 0.84rem;
}
.cur-status-row { display: flex; justify-content: space-between; gap: 12px; }
.cur-status-row b { color: var(--ink-faint); font-weight: 500; }
.cur-status-row span:last-child { color: var(--ink); font-variant-numeric: tabular-nums; }

.settings-note {
  margin: 16px 0 0; color: var(--ink-faint); font-size: 0.76rem; line-height: 1.6;
  border-top: 1px solid var(--line); padding-top: 14px;
}