/* playground/commute · 极简实时感
   设计 token 复用主站 hub.v2.css：--ink/--bg-soft/--accent/--signal/--radius
   仅追加本页专用样式，不污染主站。 */

.moment-main { padding: 56px 0 80px; max-width: 720px; }

.moment-hero { text-align: center; margin-bottom: 36px; }
.moment-hero .eyebrow {
  font-size: 12px; letter-spacing: 0.18em; color: var(--ink-3);
  text-transform: uppercase; margin-bottom: 16px;
}
.m-title {
  font-size: 36px; line-height: 1.25; font-weight: 700;
  letter-spacing: -0.01em; color: var(--ink);
  margin: 0 auto 12px; max-width: 560px;
}
.m-sub { color: var(--ink-3); font-size: 16px; margin: 0; }

/* 卡片 */
.moment-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px 32px 28px;
  box-shadow: 0 1px 0 var(--line-2);
  text-align: center;
  position: relative;
  overflow: hidden;
}
/* 一抹极轻的氛围：左下角一点 signal 暖光，不抢戏 */
.moment-card::before {
  content: ""; position: absolute; inset: auto -20% -60% auto;
  width: 60%; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(closest-side, var(--signal-weak) 0%, transparent 70%);
  opacity: 0.7; pointer-events: none;
}

.m-stat-label { color: var(--ink-3); font-size: 13px; letter-spacing: 0.04em; }
.m-stat-num {
  font-size: 64px; font-weight: 800; line-height: 1.05;
  color: var(--ink); margin: 8px 0 4px;
  font-feature-settings: "tnum" 1; /* 数字等宽不抖 */
  letter-spacing: -0.02em;
}
.m-stat-foot { color: var(--ink-4); font-size: 12px; }

/* 折线图：今日各小时完成通勤人数（克制） */
.m-spark {
  margin: 18px auto 0; padding-top: 16px;
  border-top: 1px dashed var(--line);
  max-width: 320px;
}
.m-spark svg { display: block; }

.m-cities {
  margin: 18px auto 0; padding-top: 14px;
  border-top: 1px dashed var(--line);
  color: var(--ink-2); font-size: 13px;
}
.m-cities-list { color: var(--ink); }
.m-cities-list .m-city-chip {
  display: inline-block; padding: 2px 8px; margin: 0 4px;
  background: var(--bg-soft); border-radius: 999px;
  font-variant-numeric: tabular-nums;
}
.m-cities-list .m-city-chip b { font-weight: 600; color: var(--ink); margin-right: 2px; }

/* 统计块：极简四格 */
.m-stats {
  margin: 20px auto 0; padding-top: 18px;
  border-top: 1px dashed var(--line);
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px;
}
.m-stat-cell { text-align: center; }
.m-stat-cell-num {
  font-size: 22px; font-weight: 700; color: var(--ink);
  font-variant-numeric: tabular-nums; letter-spacing: -0.01em;
}
.m-stat-cell-label { color: var(--ink-4); font-size: 11px; margin-top: 2px; }

/* 按钮区 */
.m-action { margin-top: 28px; display: flex; flex-direction: column; align-items: center; gap: 12px; }
.m-btn {
  appearance: none; border: 0; cursor: pointer;
  font: inherit; font-weight: 700; font-size: 16px;
  padding: 14px 36px; border-radius: 999px;
  background: var(--ink); color: #fff;
  min-width: 200px;
  transition: transform 0.12s ease, background 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.12);
}
.m-btn:hover { transform: translateY(-1px); }
.m-btn:active { transform: translateY(0); }
.m-btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }
.m-btn-primary { background: var(--ink); }
.m-btn-success { background: #16a34a; box-shadow: 0 4px 14px rgba(22, 163, 74, 0.18); }
.m-btn-text {
  appearance: none; background: transparent; border: 0; cursor: pointer;
  font: inherit; color: var(--ink-3); font-size: 13px;
  padding: 6px 10px; border-radius: 8px;
}
.m-btn-text:hover { color: var(--ink); background: var(--bg-soft); }

.m-action-on { gap: 8px; }

/* 可选字段：方式 / 路况 */
.m-fields { width: 100%; display: flex; flex-direction: column; gap: 18px; margin-bottom: 4px; }
.m-field-label { color: var(--ink-3); font-size: 12px; letter-spacing: 0.04em; margin-bottom: 10px; text-align: left; }
.m-chips { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.m-chip {
  appearance: none; cursor: pointer; font: inherit; font-size: 13px;
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--bg);
  color: var(--ink-2); transition: all 0.15s ease;
}
.m-chip:hover { border-color: var(--ink-4); }
.m-chip[aria-pressed="true"] {
  border-color: var(--ink); background: var(--ink); color: #fff;
}
.m-dot { width: 12px; height: 12px; border-radius: 50%; display: inline-block; }
.m-dot-subway { background: #43a047; }
.m-dot-bus { background: #ffb300; }
.m-dot-car { background: #e53935; }
.m-dot-ebike { background: #1e88e5; }
.m-dot-walk { background: #8d6e63; }
.m-chip[aria-pressed="true"] .m-dot { box-shadow: 0 0 0 2px rgba(255,255,255,0.4); }
.m-on-meta { color: var(--ink-3); font-size: 13px; }
.m-on-meta span { color: var(--ink); font-weight: 600; }
.m-timer {
  font-size: 32px; font-weight: 700; color: var(--ink);
  font-variant-numeric: tabular-nums; letter-spacing: 0.02em;
  margin: 4px 0 8px;
}

.m-hint {
  margin-top: 22px; color: var(--ink-4); font-size: 12px;
  text-align: center;
}
.m-foot {
  margin-top: 28px; text-align: center; color: var(--ink-3); font-size: 12px;
}
.m-foot a { color: var(--ink-2); border-bottom: 1px dashed var(--ink-4); }

/* loading 反馈：替换按钮文字 */
.m-btn .m-btn-label[data-loading]::after {
  content: ""; display: inline-block; width: 12px; height: 12px; margin-left: 8px;
  border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%;
  animation: mSpin 0.8s linear infinite; vertical-align: -1px;
}
@keyframes mSpin { to { transform: rotate(360deg); } }

/* 错误提示 */
.m-err {
  margin-top: 10px; color: #b91c1c; font-size: 12px; min-height: 16px;
}

/* reveal 简单淡入：与主站 reveal 行为一致 */
.reveal { opacity: 0; transform: translateY(8px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-in { opacity: 1; transform: none; }

/* ══ 轻聊天窗口 ══ */
.moment-chat {
  margin-top: 20px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.m-chat-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; border-bottom: 1px solid var(--line);
  background: var(--bg-soft);
}
.m-chat-ttl { font-size: 14px; font-weight: 700; color: var(--ink); letter-spacing: 0.02em; }
.m-chat-badge {
  font-size: 11px; color: var(--ink-4);
  border: 1px solid var(--line); border-radius: 999px; padding: 2px 8px;
}
.m-chat-window {
  height: 200px; overflow-y: auto;
  padding: 12px 16px; display: flex; flex-direction: column; gap: 8px;
  scrollbar-width: thin; scrollbar-color: var(--line-2) transparent;
}
.m-chat-window::-webkit-scrollbar { width: 5px; }
.m-chat-window::-webkit-scrollbar-thumb { background: var(--line-2); border-radius: 999px; }
.m-chat-empty, .m-chat-closed {
  color: var(--ink-4); font-size: 13px; text-align: center; margin: auto;
  line-height: 1.6;
}
.m-chat-row { display: flex; gap: 8px; align-items: baseline; font-size: 14px; line-height: 1.5; }
.m-chat-time { color: var(--ink-4); font-size: 11px; flex: 0 0 auto; font-variant-numeric: tabular-nums; }
.m-chat-text {
  color: var(--ink); word-break: break-word; white-space: pre-wrap;
  background: var(--bg-soft); border-radius: 10px; padding: 4px 10px;
}
.m-chat-form { padding: 10px 16px 14px; border-top: 1px solid var(--line); }
.m-chat-quota { display: block; font-size: 12px; color: #b91c1c; margin-bottom: 6px; min-height: 14px; }
.m-chat-input-row { display: flex; gap: 8px; }
.m-chat-input {
  flex: 1; min-width: 0; font: inherit; font-size: 14px;
  padding: 9px 12px; border: 1px solid var(--line); border-radius: 10px;
  background: var(--bg); color: var(--ink); outline: none;
}
.m-chat-input:focus { border-color: var(--ink-4); }
.m-chat-send {
  appearance: none; border: 0; cursor: pointer; font: inherit; font-weight: 700;
  padding: 0 18px; border-radius: 10px; background: var(--ink); color: #fff;
  transition: opacity 0.15s ease;
}
.m-chat-send:disabled { opacity: 0.5; cursor: not-allowed; }
.m-chat-count { text-align: right; font-size: 11px; color: var(--ink-4); margin-top: 4px; font-variant-numeric: tabular-nums; }

/* 你懂的 · 底部左右滚动知识带 */
.moment-youknow {
  margin-top: 44px; padding: 18px 0 8px;
  border-top: 1px solid var(--line);
}
.m-yk-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 12px; padding: 0 2px;
}
.m-yk-ttl { font-size: 14px; font-weight: 700; color: var(--ink-2); letter-spacing: 0.01em; }
.m-yk-close {
  appearance: none; border: 0; cursor: pointer; line-height: 1;
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--bg-soft); color: var(--ink-3); font-size: 16px;
  transition: background 0.15s ease, color 0.15s ease;
}
.m-yk-close:hover { background: var(--line); color: var(--ink); }

.m-yk-track {
  display: flex; gap: 10px; overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 24px, #000 calc(100% - 24px), transparent);
  mask-image: linear-gradient(90deg, transparent, #000 24px, #000 calc(100% - 24px), transparent);
  user-select: none;
}
.m-yk-track.is-scrolling {
  width: max-content;
  animation: yk-scroll 60s linear infinite;
}
.m-yk-track.is-scrolling:hover { animation-play-state: paused; }
@keyframes yk-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.m-yk-item {
  display: inline-flex; align-items: center; gap: 8px; flex: 0 0 auto;
  max-width: 340px; padding: 9px 14px; border-radius: 999px;
  background: var(--bg-soft); border: 1px solid var(--line);
  color: var(--ink-2); text-decoration: none; font-size: 13.5px; line-height: 1.3;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  transition: border-color 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.m-yk-item:hover { border-color: var(--ink-4); background: var(--bg); color: var(--ink); }
.m-yk-tag {
  flex: 0 0 auto; font-size: 11px; color: var(--signal, #c2410c);
  background: color-mix(in srgb, var(--signal, #c2410c) 12%, transparent);
  padding: 1px 7px; border-radius: 999px; font-weight: 600;
}
.m-yk-text { overflow: hidden; text-overflow: ellipsis; }
.m-yk-foot { margin: 10px 2px 0; font-size: 11.5px; color: var(--ink-4); }
.m-yk-loading { color: var(--ink-4); font-size: 13px; padding: 4px 2px; }

/* 手机适配 */
@media (max-width: 540px) {
  .moment-main { padding: 32px 0 56px; }
  .moment-card { padding: 28px 20px 22px; border-radius: 14px; }
  .m-title { font-size: 28px; }
  .m-stat-num { font-size: 54px; }
  .m-cities-grid { grid-template-columns: repeat(4, 1fr); }
  .m-btn { min-width: 180px; }
  .m-chat-window { height: 180px; }
  .m-yk-item { max-width: 78vw; }
}