/* ============ 安睡助手 · 样式 ============ */
:root {
  --bg-deep: #0d1830;
  --bg-card: rgba(255, 255, 255, 0.07);
  --bg-card-solid: #1c2c4f;
  --line: rgba(255, 255, 255, 0.12);
  --text: #eef3fb;
  --text-dim: #a9b8d4;
  --accent: #f0b45a;      /* 月光琥珀 */
  --accent-2: #7fb4f0;    /* 星蓝 */
  --green: #7bd88f;
  --warn: #f0a25a;
  --danger: #e86a6a;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: linear-gradient(160deg, var(--bg-deep) 0%, #14213d 55%, #1a2a4e 100%);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
  line-height: 1.65;
  padding-bottom: calc(28px + env(safe-area-inset-bottom));
}

/* ---- 夜空背景 ---- */
.night-sky { position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
.moon {
  position: absolute; top: 30px; right: 12%;
  width: 72px; height: 72px; border-radius: 50%;
  background: radial-gradient(circle at 38% 35%, #ffe9b0, #f0c36a 60%, #d9a23f);
  box-shadow: 0 0 45px 12px rgba(240, 179, 90, 0.35);
  opacity: 0.9;
}
.star { position: absolute; width: 3px; height: 3px; border-radius: 50%; background: #fff; animation: twinkle 3.5s ease-in-out infinite; }
.s1 { top: 12%; left: 10%; animation-delay: 0s; }
.s2 { top: 26%; left: 26%; animation-delay: 1.2s; }
.s3 { top: 8%;  left: 62%; animation-delay: 2.1s; }
.s4 { top: 42%; left: 5%;  animation-delay: 0.6s; }
.s5 { top: 34%; left: 86%; animation-delay: 1.8s; }
.s6 { top: 55%; left: 70%; animation-delay: 2.6s; }
@keyframes twinkle { 0%, 100% { opacity: 0.25; } 50% { opacity: 1; } }

/* ---- 头部 ---- */
.app-header { position: relative; z-index: 1; text-align: center; padding: 44px 20px 8px; }
.app-header h1 { font-size: 30px; letter-spacing: 2px; color: #fff; text-shadow: 0 2px 12px rgba(240, 179, 90, 0.35); }
.app-header .sub { color: var(--text-dim); font-size: 14px; margin-top: 4px; }
.steps {
  margin-top: 14px; font-size: 13px; color: var(--accent-2);
  display: flex; justify-content: center; gap: 8px; align-items: center; flex-wrap: wrap;
}
.steps .on { color: var(--accent); font-weight: 600; }

main { position: relative; z-index: 1; max-width: 720px; margin: 0 auto; padding: 18px 16px 0; }

/* ---- 卡片通用 ---- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.card.intro p { font-size: 14.5px; color: var(--text); }
.card.intro b { color: var(--accent); }
.card.notice {
  margin-top: 20px;
  border-left: 4px solid var(--warn);
  font-size: 13.5px; color: #f3ddbf;
}
.card.notice .detail { margin-top: 8px; color: var(--text-dim); font-size: 12.5px; }

/* ---- 症状分组 ---- */
.symptom-group { margin-top: 16px; }
.symptom-group h3 { font-size: 14px; color: var(--accent-2); margin-bottom: 10px; font-weight: 600; }
.chip-wrap { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  appearance: none; -webkit-appearance: none;
  background: var(--bg-card);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 999px;
  padding: 9px 16px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.18s ease;
  font-family: inherit;
  touch-action: manipulation;
}
.chip:hover { border-color: var(--accent-2); }
.chip.active {
  background: linear-gradient(135deg, #2b4a7e, #33589a);
  border-color: var(--accent-2);
  color: #fff;
  box-shadow: 0 0 0 2px rgba(127, 180, 240, 0.35);
}

/* ---- 操作栏 ---- */
.action-bar {
  margin-top: 22px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  position: sticky; bottom: 12px;
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}
.sel-info { font-size: 14px; color: var(--text-dim); white-space: nowrap; }
.sel-info b { color: var(--accent); font-size: 17px; }

.btn-primary {
  appearance: none; border: none; cursor: pointer;
  background: linear-gradient(135deg, var(--accent), #d99c3e);
  color: #241a06; font-weight: 700; font-size: 15px;
  padding: 12px 22px; border-radius: 999px;
  font-family: inherit;
  box-shadow: 0 4px 18px rgba(240, 179, 90, 0.35);
  transition: transform 0.15s ease, opacity 0.15s ease;
  touch-action: manipulation;
}
.btn-primary:active { transform: scale(0.97); }
.btn-primary:disabled { opacity: 0.45; cursor: not-allowed; box-shadow: none; }

.btn-ghost {
  appearance: none; cursor: pointer;
  background: transparent; border: 1px solid var(--line);
  color: var(--text-dim); border-radius: 999px;
  padding: 7px 14px; font-size: 13px; font-family: inherit;
  transition: all 0.15s ease;
}
.btn-ghost:hover { color: var(--text); border-color: var(--accent-2); }

/* ---- 结果视图 ---- */
.result-head { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.result-head h2 { font-size: 18px; color: #fff; }

.pick-summary {
  background: var(--bg-card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 14px 16px; margin-bottom: 14px;
}
.pick-summary h3 { font-size: 14px; color: var(--accent-2); margin-bottom: 8px; }
.tag-row { display: flex; flex-wrap: wrap; gap: 6px; }
.hint { margin-top: 10px; font-size: 13px; color: var(--warn); }

.tag {
  display: inline-block; background: rgba(127, 180, 240, 0.14);
  border: 1px solid rgba(127, 180, 240, 0.3);
  color: #cfe2fb; border-radius: 8px; padding: 2px 10px; font-size: 12.5px;
}
.tag.hit { background: rgba(240, 179, 90, 0.2); border-color: var(--accent); color: #ffe1a8; }
.tag.food { background: rgba(123, 216, 143, 0.14); border-color: rgba(123, 216, 143, 0.35); color: #c9f2d2; }

/* ---- 证型卡片 ---- */
.type-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
  border-top: 3px solid var(--text-dim);
}
.type-card.level-hi  { border-top-color: var(--green); }
.type-card.level-mid { border-top-color: var(--accent); }
.type-card.level-low { border-top-color: var(--text-dim); }

.type-card header { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.type-card h3 { font-size: 19px; color: #fff; }
.type-card .essence { font-size: 13px; color: var(--text-dim); margin-top: 2px; }

.badge {
  flex-shrink: 0; font-size: 12px; font-weight: 700;
  border-radius: 999px; padding: 4px 12px; white-space: nowrap;
}
.badge.hi  { background: rgba(123, 216, 143, 0.18); color: #a8f0b8; border: 1px solid rgba(123,216,143,0.5); }
.badge.mid { background: rgba(240, 179, 90, 0.18); color: #ffd98f; border: 1px solid rgba(240,179,90,0.5); }
.badge.low { background: rgba(169, 184, 212, 0.16); color: #c3d0e8; border: 1px solid rgba(169,184,212,0.4); }

.hit-row { margin: 10px 0 14px; display: flex; flex-wrap: wrap; gap: 6px; font-size: 12.5px; color: var(--text-dim); align-items: center; }

.schemes { display: flex; flex-direction: column; gap: 12px; }
.scheme { padding: 12px 14px; background: rgba(0, 0, 0, 0.16); border-radius: 12px; }
.scheme h4 { font-size: 13.5px; color: var(--accent); margin-bottom: 6px; letter-spacing: 1px; }
.scheme p { font-size: 14px; color: var(--text); }
.scheme p.detail { font-size: 13px; color: var(--text-dim); margin-top: 4px; }
.scheme .fang-name { color: #fff; font-weight: 600; }

.acupoint {
  display: inline-block; background: rgba(240, 179, 90, 0.14);
  border: 1px solid rgba(240, 179, 90, 0.4);
  color: #ffdfa0; border-radius: 8px; padding: 2px 10px;
  font-size: 13px; margin: 0 6px 6px 0;
}
.points-list { list-style: none; }
.points-list li { font-size: 14px; padding: 3px 0; color: var(--text); }
.points-list b { color: var(--accent); }
.scheme ul { padding-left: 18px; }
.scheme ul li { font-size: 13.5px; color: var(--text); margin: 3px 0; }

/* ---- 通用调治折叠卡 ---- */
.general-card {
  background: linear-gradient(180deg, rgba(43, 74, 126, 0.35), rgba(20, 33, 61, 0.5));
  border: 1px dashed rgba(127, 180, 240, 0.5);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin-top: 4px;
}
.general-card summary {
  cursor: pointer; font-size: 15px; font-weight: 600; color: var(--accent-2);
  padding: 4px 0; user-select: none;
}
.general-card .schemes { margin-top: 12px; }

.empty { text-align: center; color: var(--text-dim); padding: 30px 0; }

.hidden { display: none !important; }

/* ---- 页脚 ---- */
footer { position: relative; z-index: 1; text-align: center; padding: 26px 16px 10px; color: var(--text-dim); font-size: 12px; }
footer .detail { opacity: 0.75; margin-top: 4px; }

/* ---- 小屏适配 ---- */
@media (max-width: 420px) {
  .action-bar { flex-direction: column; align-items: stretch; }
  .btn-primary { width: 100%; text-align: center; }
  .moon { width: 56px; height: 56px; right: 8%; top: 46px; }
}
@media (prefers-reduced-motion: reduce) {
  .star { animation: none; }
}