/* ============ 跑步打卡 · 深色运动风 ============ */
:root{
  --bg:#0a0f0d;
  --bg2:#0e1512;
  --card:#131c18;
  --card2:#182420;
  --line:#223029;
  --text:#e8f0ea;
  --text2:#9db3a5;
  --green:#22c55e;
  --green2:#a3e635;
  --green-dark:#166534;
  --orange:#fb923c;
  --red:#f87171;
  --blue:#60a5fa;
  --radius:18px;
  --shadow:0 8px 24px rgba(0,0,0,.35);
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);
  background-image:radial-gradient(1200px 600px at 50% -200px,#123a24 0%,transparent 60%);
  color:var(--text);
  font-size:15px;
  line-height:1.5;
}
.app{
  max-width:480px;
  margin:0 auto;
  min-height:100%;
  padding:0 16px calc(84px + env(safe-area-inset-bottom));
  position:relative;
}
h1{font-size:22px;font-weight:800;letter-spacing:.5px}
.sub{color:var(--text2);font-size:13px;margin-top:2px}
.page{display:none;animation:fadein .25s ease}
.page.active{display:block}
@keyframes fadein{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

.page-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:22px 2px 14px;
}
.streak-chip{
  display:flex;align-items:center;gap:4px;
  background:linear-gradient(135deg,#3a1f05,#5a2a08);
  border:1px solid #7c4a12;
  color:#fcd34d;font-size:13px;
  padding:8px 12px;border-radius:999px;
  box-shadow:var(--shadow);
}
.streak-chip b{font-size:18px;margin-left:4px}
.flame{font-size:16px}

/* ===== 卡片 ===== */
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:16px;
  margin-bottom:14px;
  box-shadow:var(--shadow);
}
.card-head{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.card-icon{
  width:38px;height:38px;border-radius:12px;flex:none;
  display:flex;align-items:center;justify-content:center;font-size:19px;
  background:var(--card2);border:1px solid var(--line);
}
.card-title{flex:1;display:flex;flex-direction:column}
.card-title b{font-size:16px}
.card-title span{color:var(--text2);font-size:12.5px}
.card-body{display:flex;flex-direction:column;gap:10px}
.hint{color:var(--text2);font-size:12px;line-height:1.6}

/* ===== 按钮 ===== */
.btn{
  border:none;border-radius:12px;padding:11px 16px;
  font-size:14.5px;font-weight:700;cursor:pointer;
  transition:transform .08s ease,filter .15s ease;
  color:var(--text);background:var(--card2);
  border:1px solid var(--line);
}
.btn:active{transform:scale(.96)}
.btn-primary{
  background:linear-gradient(135deg,var(--green) 0%,#4ade80 55%,var(--green2) 100%);
  color:#052012;border:none;
  box-shadow:0 4px 14px rgba(34,197,94,.35);
}
.btn-ghost{background:var(--card2)}
.btn-danger{background:#2a1212;color:var(--red);border-color:#4c1d1d}
.btn-block{width:100%}
.btn-sm{padding:7px 12px;font-size:13px;border-radius:10px}

/* ===== 今日状态卡 ===== */
.hero-card{
  display:flex;align-items:center;gap:18px;
  background:linear-gradient(135deg,#13231b,#0f1a16 60%,#1a1408);
  border:1px solid var(--line);
  border-radius:22px;padding:20px;margin-bottom:14px;
  box-shadow:var(--shadow);
  position:relative;overflow:hidden;
}
.hero-card::after{
  content:"";position:absolute;right:-40px;top:-40px;width:140px;height:140px;
  background:radial-gradient(circle,rgba(163,230,53,.15),transparent 70%);
}
.ring-wrap{position:relative;width:104px;height:104px;flex:none}
.ring{width:100%;height:100%;transform:rotate(-90deg)}
.ring-bg{fill:none;stroke:#223029;stroke-width:9}
.ring-fg{
  fill:none;stroke:var(--green);stroke-width:9;stroke-linecap:round;
  stroke-dasharray:326.7;stroke-dashoffset:326.7;
  transition:stroke-dashoffset .6s ease;
}
.ring-center{
  position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;
}
.ring-center b{font-size:20px}
.ring-center span{font-size:10.5px;color:var(--text2)}
.hero-info{flex:1;min-width:0}
.hero-status{font-size:17px;font-weight:800}
.hero-sub{color:var(--text2);font-size:13px;margin-top:4px}
.hero-meta{margin-top:10px;display:flex;gap:8px;flex-wrap:wrap}
.chip{
  font-size:12px;padding:5px 10px;border-radius:999px;
  background:var(--card2);border:1px solid var(--line);color:var(--text2);
}
.chip.green{background:#10321c;border-color:#1d5c33;color:#6ee7a0}
.chip.orange{background:#33200f;border-color:#6b3c10;color:#fdba74}
.chip.red{background:#331414;border-color:#6b2020;color:#fca5a5}

/* ===== 跑步完成态 ===== */
.done-grid{
  display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;
}
.done-grid>div{
  background:var(--card2);border:1px solid var(--line);
  border-radius:14px;padding:12px 6px;text-align:center;
}
.done-grid b{display:block;font-size:19px;color:var(--green2);font-variant-numeric:tabular-nums}
.done-grid span{font-size:11.5px;color:var(--text2)}

/* ===== 体重 ===== */
.weight-row{flex-direction:row;align-items:center;gap:10px}
.weight-input-wrap{
  flex:1;display:flex;align-items:center;gap:8px;
  background:var(--card2);border:1px solid var(--line);
  border-radius:12px;padding:10px 14px;
}
.weight-input-wrap input{
  flex:1;background:none;border:none;outline:none;color:var(--text);
  font-size:16px;font-weight:700;min-width:0;width:100%;
}
.weight-input-wrap span{color:var(--text2);font-size:13px}
input::placeholder{color:#4d6357}

/* ===== 拍照 ===== */
.photo-today{
  border-radius:14px;overflow:hidden;border:1px dashed var(--line);
  aspect-ratio:3/4;max-height:340px;width:100%;
  display:flex;align-items:center;justify-content:center;
  background:var(--card2);
}
.photo-today img{width:100%;height:100%;object-fit:cover}
.photo-placeholder{color:#4d6357;font-size:13px}
.photo-actions{display:flex;gap:10px}
.photo-actions .btn{flex:1}

/* ===== 日历 ===== */
.cal-card{padding:14px}
.cal-nav{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.cal-nav b{font-size:16px}
.cal-weekdays{
  display:grid;grid-template-columns:repeat(7,1fr);
  text-align:center;color:var(--text2);font-size:12px;padding:6px 0;
}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}
.cal-cell{
  aspect-ratio:1;border-radius:10px;position:relative;
  display:flex;align-items:center;justify-content:center;
  font-size:13.5px;color:var(--text2);
  background:var(--card2);border:1px solid transparent;
  font-variant-numeric:tabular-nums;
}
.cal-cell.empty{background:none}
.cal-cell.today{border-color:var(--green2);color:var(--text);font-weight:800}
.cal-cell.ran{background:linear-gradient(135deg,#123a24,#164e2f);color:#d9f99d;border-color:#1d5c33}
.cal-cell.missed{background:linear-gradient(135deg,#2a1410,#3a1a12);color:#fdba74;border-color:#6b3c10}
.cal-cell .marks{
  position:absolute;bottom:4px;left:0;right:0;
  display:flex;gap:2px;justify-content:center;
}
.marks i{width:5px;height:5px;border-radius:50%;display:block}
.dot-run{background:var(--green2)}
.dot-weight{background:var(--blue)}
.dot-photo{background:var(--orange)}
.cal-legend{
  display:flex;gap:14px;justify-content:center;
  margin-top:12px;color:var(--text2);font-size:12px;
}
.cal-legend span{display:flex;align-items:center;gap:5px}
.cal-legend .dot{width:8px;height:8px;border-radius:50%;display:inline-block}

/* ===== 统计 ===== */
.seg{display:flex;background:var(--card2);border:1px solid var(--line);border-radius:10px;padding:3px;flex:none}
.seg button{
  border:none;background:none;color:var(--text2);
  font-size:12.5px;font-weight:700;padding:5px 10px;border-radius:8px;cursor:pointer;
}
.seg button.on{background:var(--green);color:#052012}
.chart-wrap{position:relative;height:220px;margin-top:4px}
.stat-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px;
}
.stat-grid>div{
  background:var(--card2);border:1px solid var(--line);border-radius:14px;
  padding:10px 4px;text-align:center;
}
.stat-grid b{display:block;font-size:17px;color:var(--green2);font-variant-numeric:tabular-nums}
.stat-grid span{font-size:11px;color:var(--text2)}

/* ===== 照片时间线 ===== */
.month-group{margin-bottom:18px}
.month-title{
  display:flex;justify-content:space-between;align-items:baseline;
  padding:4px 4px 10px;font-size:15px;font-weight:800;
}
.month-title span{color:var(--text2);font-size:12px;font-weight:400}
.photo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.photo-cell{
  aspect-ratio:3/4;border-radius:12px;overflow:hidden;position:relative;
  background:var(--card2);border:1px solid var(--line);cursor:pointer;
}
.photo-cell img{width:100%;height:100%;object-fit:cover;display:block}
.photo-cell .cell-date{
  position:absolute;left:0;right:0;bottom:0;
  background:linear-gradient(transparent,rgba(0,0,0,.75));
  font-size:10.5px;color:#fff;padding:10px 6px 4px;
  text-align:center;
}
.photo-cell .pick-badge{
  position:absolute;top:6px;left:6px;
  background:var(--green);color:#052012;font-weight:800;
  font-size:11px;padding:2px 8px;border-radius:999px;
}
.empty-tip{
  text-align:center;color:var(--text2);padding:50px 20px;font-size:14px;
  border:1px dashed var(--line);border-radius:var(--radius);
}

/* ===== 底部导航 ===== */
.tabbar{
  position:fixed;left:50%;transform:translateX(-50%);
  bottom:0;width:100%;max-width:480px;
  display:flex;justify-content:space-around;
  background:rgba(10,15,13,.92);backdrop-filter:blur(14px);
  border-top:1px solid var(--line);
  padding:8px 4px calc(8px + env(safe-area-inset-bottom));
  z-index:50;
}
.tab{
  position:relative;background:none;border:none;color:var(--text2);
  display:flex;flex-direction:column;align-items:center;gap:2px;
  font-size:11px;padding:4px 10px;cursor:pointer;border-radius:12px;
}
.tab .tab-ico{font-size:20px;filter:grayscale(.6);transition:transform .15s ease}
.tab.on{color:var(--green2)}
.tab.on .tab-ico{filter:none;transform:scale(1.12)}
.tab-badge{
  position:absolute;top:0;right:4px;
  background:var(--orange);color:#fff;font-size:9px;
  padding:1px 5px;border-radius:999px;
}

/* ===== 弹窗 ===== */
.modal-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.66);
  display:none;align-items:center;justify-content:center;
  z-index:100;padding:20px;
  backdrop-filter:blur(4px);
}
.modal-mask.open{display:flex;animation:fadein .18s ease}
.modal{
  width:100%;max-width:400px;max-height:88vh;overflow-y:auto;
  background:var(--bg2);border:1px solid var(--line);
  border-radius:20px;padding:18px;
  box-shadow:0 20px 60px rgba(0,0,0,.6);
}
.modal-head{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:14px;
}
.modal-head b{font-size:17px}
.modal-close{
  background:var(--card2);border:1px solid var(--line);color:var(--text2);
  width:30px;height:30px;border-radius:50%;cursor:pointer;font-size:14px;
}
.modal-body{display:flex;flex-direction:column;gap:12px}
.field{display:flex;flex-direction:column;gap:6px}
.field span{font-size:13px;color:var(--text2)}
.field input{
  background:var(--card2);border:1px solid var(--line);border-radius:12px;
  padding:12px 14px;color:var(--text);font-size:16px;outline:none;
  font-variant-numeric:tabular-nums;
}
.field input:focus{border-color:var(--green)}

/* 拍照确认 */
.photo-preview-wrap{
  position:relative;border-radius:14px;overflow:hidden;
  aspect-ratio:3/4;background:#000;
}
.photo-preview-wrap img{width:100%;height:100%;object-fit:cover;display:block}
.face-guide{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
}
.face-guide::before{
  content:"";position:absolute;
  width:52%;aspect-ratio:3/4;
  border:2px dashed rgba(163,230,53,.85);border-radius:50%;
  box-shadow:0 0 0 999px rgba(0,0,0,.32);
}
.face-guide span{
  position:absolute;bottom:12%;color:#a3e635;font-size:12px;
  background:rgba(0,0,0,.55);padding:4px 12px;border-radius:999px;
}
.photo-confirm-actions{display:flex;gap:10px}
.photo-confirm-actions .btn{flex:1}

/* 大图查看 */
.viewer{max-width:440px;background:rgba(10,15,13,.98)}
.viewer img{width:100%;max-height:70vh;object-fit:contain;border-radius:12px;display:block}
.viewer-head{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:10px;color:var(--text2);font-size:13px;
}
.viewer-actions{display:flex;gap:10px;margin-top:12px}
.viewer-actions .btn{flex:1}

/* 对比 */
.compare-pick{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;max-height:300px;overflow-y:auto}
.compare-stage{display:flex;flex-direction:column;gap:12px}
.compare-slider{
  position:relative;border-radius:14px;overflow:hidden;
  aspect-ratio:3/4;background:#000;user-select:none;touch-action:none;
}
.compare-slider img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  pointer-events:none;
}
#compare-img-b{clip-path:inset(0 0 0 50%)}
.compare-divider{
  position:absolute;top:0;bottom:0;left:50%;width:2px;margin-left:-1px;
  background:#fff;box-shadow:0 0 12px rgba(0,0,0,.6);pointer-events:none;
}
.compare-divider span{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  background:#fff;color:#000;border-radius:50%;width:34px;height:34px;
  display:flex;align-items:center;justify-content:center;font-size:15px;
}
.compare-labels{
  display:flex;justify-content:space-between;font-size:12.5px;color:var(--text2);
}

/* ===== 我的页 ===== */
.setting-row{flex-direction:row;align-items:center;gap:10px}
.stepper{
  display:flex;align-items:center;gap:2px;
  background:var(--card2);border:1px solid var(--line);border-radius:12px;
}
.stepper button{
  width:40px;height:40px;background:none;border:none;color:var(--text);
  font-size:20px;font-weight:800;cursor:pointer;
}
.stepper b{font-size:18px;min-width:26px;text-align:center;color:var(--green2)}
.time-input{
  flex:1;background:var(--card2);border:1px solid var(--line);border-radius:12px;
  padding:11px 14px;color:var(--text);font-size:15px;outline:none;
}
.backup-actions{display:flex;gap:10px}
.backup-actions .btn{flex:1}
.danger-card{border-color:#3a1d1d}
.about{text-align:center;color:#4d6357;font-size:12px;padding:8px 0 20px}

/* ===== Toast ===== */
.toast{
  position:fixed;left:50%;bottom:110px;transform:translateX(-50%) translateY(20px);
  background:#e8f0ea;color:#0a0f0d;font-size:13.5px;font-weight:600;
  padding:10px 18px;border-radius:999px;opacity:0;pointer-events:none;
  transition:all .25s ease;z-index:200;max-width:86%;text-align:center;
  box-shadow:0 10px 30px rgba(0,0,0,.5);
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* 达标撒花 */
@keyframes pop{0%{transform:scale(.6)}60%{transform:scale(1.15)}100%{transform:scale(1)}}
.pop{animation:pop .45s ease}
@keyframes flamebeat{0%,100%{transform:scale(1)}50%{transform:scale(1.2)}}
.streak-chip.on .flame{animation:flamebeat 1s infinite}

@media (min-width:480px){
  .app{padding-left:20px;padding-right:20px}
}