:root {
  --bg: #f6f7f9; --card: #fff; --text: #1d2129; --sub: #5c6370; --line: #e3e6eb;
  --brand: #2f6bff; --brand-soft: #e8efff; --ok: #12a150; --warn: #d4380d; --warn-soft: #fff1ec;
  --cust: #f1f3f6; --sales: #2f6bff;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.6 -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif; }
.top { display: flex; align-items: center; justify-content: space-between; padding: 0 20px; height: 54px; background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.brand { font-weight: 700; font-size: 16px; }
nav a { margin-left: 18px; color: var(--sub); text-decoration: none; padding: 6px 2px; }
nav a.on { color: var(--brand); font-weight: 600; border-bottom: 2px solid var(--brand); }
main { max-width: 920px; margin: 0 auto; padding: 20px 16px 80px; }
h1 { font-size: 22px; margin: 4px 0 16px; }
h2 { font-size: 17px; margin: 0 0 10px; }
h3 { font-size: 15px; margin: 14px 0 6px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px; margin-bottom: 14px; }
.label { font-weight: 600; margin-bottom: 8px; }
.hint { color: var(--sub); font-size: 13px; }
input[type=text], input[type=date], select, textarea { font: inherit; padding: 9px 12px; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--text); }
input[type=text] { width: 260px; max-width: 100%; }
textarea { width: 100%; resize: vertical; min-height: 70px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: 6px 14px; cursor: pointer; user-select: none; font: inherit; color: var(--text); }
.chip:hover { border-color: var(--brand); }
.chip.on { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn { font: inherit; border: 1px solid var(--line); background: #fff; color: var(--text); border-radius: 8px; padding: 8px 16px; cursor: pointer; }
.btn:hover { border-color: var(--brand); color: var(--brand); }
.btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; font-weight: 600; }
.btn.primary:hover { filter: brightness(1.08); color: #fff; }
.btn.big { padding: 12px 28px; font-size: 16px; }
.btn.danger { color: var(--warn); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }

/* 进度提示 */
.progress { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-radius: 10px; background: var(--brand-soft); color: #1d3f99; margin: 10px 0; }
.progress .dot { width: 14px; height: 14px; border: 2px solid #9db6ff; border-top-color: var(--brand); border-radius: 50%; animation: spin .8s linear infinite; flex: none; }
.progress .sec { margin-left: auto; color: #6b7fb8; font-size: 13px; }
.progress.fail { background: var(--warn-soft); color: var(--warn); }
.progress.fail .dot { display: none; }
.bar { height: 4px; background: #d5e1ff; border-radius: 2px; overflow: hidden; margin-top: 6px; }
.bar i { display: block; height: 100%; background: var(--brand); transition: width .3s; }
@keyframes spin { to { transform: rotate(360deg); } }

/* 对练 */
.cust-head { display: flex; gap: 14px; align-items: center; }
.avatar { width: 46px; height: 46px; border-radius: 50%; background: #ffd9b8; color: #8a4a12; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 18px; flex: none; }
.avatar.female { background: #ffd6e7; color: #a0285e; }
.meta { color: var(--sub); font-size: 13px; }
.steps { display: flex; gap: 6px; margin-bottom: 12px; flex-wrap: wrap; }
.steps span { padding: 2px 10px; border-radius: 999px; background: #eceff3; color: var(--sub); font-size: 13px; }
.steps span.on { background: var(--brand); color: #fff; }
.steps span.done { background: #d9f2e3; color: var(--ok); }
.chat { display: flex; flex-direction: column; gap: 10px; padding: 6px 0; }
.msg { max-width: 78%; padding: 10px 14px; border-radius: 14px; white-space: pre-wrap; word-break: break-word; }
.msg.customer { background: var(--cust); align-self: flex-start; border-top-left-radius: 4px; }
.msg.sales { background: var(--sales); color: #fff; align-self: flex-end; border-top-right-radius: 4px; }
.msg .tag { font-size: 12px; opacity: .75; margin-left: 6px; }
.msg .say { cursor: pointer; margin-left: 6px; opacity: .6; }
.compose { position: sticky; bottom: 0; background: var(--bg); padding-top: 8px; }
.mic { min-width: 120px; }
.mic.on { background: var(--warn); border-color: var(--warn); color: #fff; }
.round { color: var(--sub); font-size: 13px; }

/* 点评 */
.score-big { font-size: 40px; font-weight: 800; color: var(--brand); line-height: 1; }
.dims { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 10px; margin-top: 12px; }
.dim { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; }
.dim .top-line { display: flex; justify-content: space-between; font-weight: 600; }
.dim .meter { height: 6px; background: #eceff3; border-radius: 3px; margin: 6px 0; overflow: hidden; }
.dim .meter i { display: block; height: 100%; background: var(--brand); }
.dim .c { font-size: 13px; color: var(--sub); }
ul.clean { margin: 4px 0; padding-left: 20px; }
ul.clean li { margin: 4px 0; }
.quote { color: var(--sub); }
.better { background: #eefaf2; border-radius: 6px; padding: 4px 8px; display: inline-block; margin-top: 2px; }
.reveal { background: #fffaf0; border: 1px dashed #f0c36d; border-radius: 10px; padding: 10px 14px; font-size: 14px; }

/* 记录 */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); font-size: 14px; }
tr.click { cursor: pointer; }
tr.click:hover td { background: #f3f6ff; }
details { border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; margin: 10px 0; background: #fff; }
details summary { cursor: pointer; font-weight: 600; }

/* 知识库 */
.drop { border: 2px dashed #b9c6e6; border-radius: 12px; padding: 30px; text-align: center; color: var(--sub); cursor: pointer; background: #fbfcff; }
.drop.over { border-color: var(--brand); background: var(--brand-soft); color: var(--brand); }
.files li { display: flex; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--line); list-style: none; }
.files { padding: 0; margin: 0; }

nav a.muted { color: #9aa1ad; }
input[type=password], input[type=number] { font: inherit; padding: 9px 12px; border: 1px solid var(--line); border-radius: 8px; }
.progress.small { padding: 6px 10px; font-size: 13px; margin: 2px 0; }
.flash { margin: 10px 0; padding: 8px 14px; border-radius: 10px; background: #e6f7ed; color: var(--ok); }
.timer { font-variant-numeric: tabular-nums; padding: 4px 12px; border-radius: 999px; background: #eceff3; font-weight: 600; }
.timer.urgent { background: var(--warn-soft); color: var(--warn); }
.badge { padding: 4px 12px; border-radius: 999px; background: var(--brand-soft); color: var(--brand); font-size: 13px; }
.score-mid { font-size: 26px; font-weight: 800; color: #3d4a66; line-height: 1.1; }
.of { font-size: 15px; color: var(--sub); font-weight: 400; }
.coach-slot { align-self: flex-end; max-width: 78%; width: fit-content; }
.coach { border: 1px solid var(--line); border-left: 4px solid var(--brand); border-radius: 8px; padding: 8px 12px; font-size: 13px; background: #fff; display: grid; gap: 3px; }
.coach.good { border-left-color: var(--ok); }
.coach.mid { border-left-color: #f0a020; }
.coach.low { border-left-color: var(--warn); }
.coach-top { display: flex; gap: 10px; align-items: baseline; }
.coach .wrong { color: var(--warn); }
.answer-slot { align-self: flex-start; max-width: 78%; width: fit-content; margin-top: -4px; }
.btn.small { padding: 3px 10px; font-size: 13px; }
.answer { border: 1px solid #c9d8ff; border-left: 4px solid var(--brand); border-radius: 8px; padding: 8px 12px; font-size: 14px; background: #f6f9ff; display: grid; gap: 4px; }
.answer .tag { font-size: 12px; color: var(--warn); }
.qbar { display: flex; align-items: center; gap: 10px; margin: 0 0 8px; font-size: 14px; color: var(--sub); }
.qbar .bar { flex: 1; height: 8px; border-radius: 4px; margin: 0; }
.qbar b { color: var(--text); font-variant-numeric: tabular-nums; }
.kind { font-size: 12px; padding: 1px 8px; border-radius: 999px; background: #eceff3; color: var(--sub); flex: none; }

@media (max-width: 600px) {
  .coach-slot { max-width: 90%; }
  .msg { max-width: 90%; }
  nav a { margin-left: 10px; }
}