:root {
  --bg: #f6f3ee;
  --panel: #ffffff;
  --ink: #2b2620;
  --muted: #8a8178;
  --accent: #b06a4a;
  --accent-soft: #f0e2d8;
  --line: #e7e0d6;
  --user: #d9c7b8;
  --ai: #f2ede5;
  --warm: #c96f4a;   /* 我在说（暖） */
  --cool: #5b7f9e;   /* AI 在说（冷） */
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--ink);
}

.app { max-width: 1200px; margin: 0 auto; height: 100vh; display: flex; flex-direction: column; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px; border-bottom: 1px solid var(--line); background: var(--panel);
}
.topbar h1 { font-size: 18px; margin: 0; letter-spacing: 1px; }

.layout { flex: 1; display: flex; min-height: 0; }

/* 左侧个案列表 */
.cases-sidebar { width: 220px; border-right: 1px solid var(--line); background: var(--panel); padding: 12px; overflow-y: auto; }
.sidebar-title { font-size: 12px; color: var(--muted); margin-bottom: 10px; letter-spacing: 1px; }
.case-item {
  padding: 10px 12px; border-radius: 10px; cursor: pointer; margin-bottom: 6px;
  font-size: 14px; border: 1px solid transparent;
}
.case-item:hover { background: var(--bg); }
.case-item.active { background: var(--accent-soft); border-color: var(--accent); }
.case-item .tag { font-size: 11px; color: var(--muted); display: block; margin-top: 2px; }

/* 主区 */
.main-view { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.view { flex: 1; min-height: 0; display: flex; flex-direction: column; }
.empty { color: var(--muted); text-align: center; margin-top: 60px; font-size: 14px; }

/* 个案档案 */
.case-detail { flex: 1; overflow-y: auto; padding: 20px; }
.case-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 16px; }
.case-head h2 { margin: 0; font-size: 22px; }
.case-head .badge {
  font-size: 12px; padding: 3px 10px; border-radius: 12px; background: var(--accent-soft); color: var(--accent);
}
.case-head .actions { margin-left: auto; }

.section { margin-bottom: 20px; }
.section h3 {
  font-size: 14px; margin: 0 0 10px; padding-bottom: 6px; border-bottom: 1px solid var(--line);
  color: var(--accent);
}
.kv { display: grid; grid-template-columns: 110px 1fr; gap: 6px 12px; font-size: 13px; }
.kv b { color: var(--muted); font-weight: 500; text-align: right; }
.risk-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.risk-tag { font-size: 12px; padding: 2px 8px; border-radius: 10px; background: var(--bg); }
.risk-tag.high { background: #f3d5cf; color: #a53a2c; }

/* 晤谈索引 / 概念化卡片 */
.item-card { border: 1px solid var(--line); border-radius: 10px; padding: 12px; margin-bottom: 10px; font-size: 13px; }
.item-card h4 { margin: 0 0 6px; font-size: 13px; }
.item-card .row { margin: 3px 0; color: #4a4238; }
.item-card .row b { color: var(--ink); }

/* 对话视图 */
.chat-head { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--panel); }
.steps { display: flex; gap: 6px; padding: 10px 16px; flex-wrap: wrap; border-bottom: 1px solid var(--line); background: var(--panel); }
.steps .step {
  font-size: 12px; color: var(--muted); padding: 4px 10px; border-radius: 20px;
  background: var(--bg); white-space: nowrap;
}
.steps .step.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }

.messages { flex: 1; overflow-y: auto; padding: 20px; display: flex; flex-direction: column; gap: 12px; }
.msg { max-width: 78%; padding: 10px 14px; border-radius: 14px; line-height: 1.6; font-size: 14px; white-space: pre-wrap; }
.msg.user { align-self: flex-end; background: var(--user); border-bottom-right-radius: 4px; }
.msg.ai { align-self: flex-start; background: var(--ai); border-bottom-left-radius: 4px; }

.composer { display: flex; gap: 8px; padding: 14px 16px; background: var(--panel); border-top: 1px solid var(--line); align-items: center; }
.composer textarea {
  flex: 1; border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px;
  font-size: 14px; resize: none; font-family: inherit;
}
button {
  border: 1px solid var(--line); background: var(--panel); color: var(--ink);
  border-radius: 10px; padding: 10px 16px; font-size: 14px; cursor: pointer;
}
button:hover { border-color: var(--accent); }
button.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
button.ghost { background: transparent; }
button.recording { background: #b0443a; color: #fff; border-color: #b0443a; }

/* 波形：5 竖条（说话方配色），不用涟漪 */
.waveform { display: none; align-items: center; gap: 3px; height: 40px; padding: 0 8px; }
.waveform.busy { display: flex; }
.waveform .bar {
  width: 4px; height: 12px; border-radius: 2px; background: var(--cool);
  animation: wave 1s ease-in-out infinite;
}
.waveform .bar:nth-child(1) { animation-delay: 0s; }
.waveform .bar:nth-child(2) { animation-delay: 0.15s; }
.waveform .bar:nth-child(3) { animation-delay: 0.3s; }
.waveform .bar:nth-child(4) { animation-delay: 0.45s; }
.waveform .bar:nth-child(5) { animation-delay: 0.6s; }
.waveform.user .bar { background: var(--warm); }
.waveform.ai .bar { background: var(--cool); }
@keyframes wave {
  0%, 100% { transform: scaleY(0.5); }
  50% { transform: scaleY(1.6); }
}

/* 建档弹窗 */
.modal { position: fixed; inset: 0; background: rgba(0,0,0,0.35); display: flex; align-items: center; justify-content: center; z-index: 50; }
.modal-box {
  width: 640px; max-height: 90vh; overflow-y: auto; background: var(--panel);
  border-radius: 14px; padding: 24px;
}
.modal-box h2 { margin: 0 0 16px; font-size: 18px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-grid label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
.form-grid label.full { grid-column: 1 / -1; }
.form-grid input, .form-grid select, .form-grid textarea {
  border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px;
  font-size: 14px; color: var(--ink); font-family: inherit;
}
.form-grid textarea { resize: vertical; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }