/* ============ 基础 ============ */
:root{
  --brand1:#7c3aed; --brand2:#ec4899;
  --grad:linear-gradient(135deg,#7c3aed 0%,#c026d3 55%,#ec4899 100%);
  --bg:#f3f4fb; --card:#ffffff; --line:#ececf4;
  --text:#232838; --muted:#8b91a7; --ok:#10b981; --danger:#ef4444;
  --r-lg:22px; --r-md:16px; --r-sm:12px;
  --shadow:0 8px 24px rgba(60,40,140,.08);
  --shadow-soft:0 2px 10px rgba(60,40,140,.05);
  --safe-b:env(safe-area-inset-bottom,0px);
  --tab-h:64px;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html{font-size:16px}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","MiSans","Microsoft YaHei",sans-serif;
  background:var(--bg); color:var(--text);
  min-height:100dvh; line-height:1.5;
}
button{font-family:inherit;border:none;background:none;color:inherit;cursor:pointer;touch-action:manipulation}
input{font-family:inherit;border:none;outline:none;background:none;color:inherit}
svg{width:1em;height:1em;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.hidden{display:none!important}
.app{max-width:560px;margin:0 auto;padding-bottom:calc(var(--tab-h) + var(--safe-b) + 28px)}

/* ============ 顶栏 ============ */
.topbar{
  position:sticky;top:0;z-index:40;
  display:flex;align-items:center;justify-content:space-between;
  padding:calc(10px + env(safe-area-inset-top,0px)) 18px 10px;
  background:linear-gradient(160deg,#7c3aed 0%,#9333ea 40%,#c026d3 100%);
  color:#fff;
}
.brand{display:flex;align-items:center;gap:11px}
.logo{font-size:30px;line-height:1;filter:drop-shadow(0 2px 4px rgba(0,0,0,.15))}
.brand-text h1{font-size:19px;font-weight:700;letter-spacing:.5px}
.brand-text p{font-size:11px;opacity:.85;letter-spacing:1px}
.top-date{
  font-size:12px;text-align:right;padding:6px 12px;border-radius:999px;
  background:rgba(255,255,255,.18);backdrop-filter:blur(6px);
  line-height:1.3;white-space:nowrap;
}
.top-date b{display:block;font-size:14px}

/* ============ 内容 ============ */
.content{padding:14px 14px 0}
.view{display:none;animation:fadeIn .22s ease}
.view.active{display:block}
@keyframes fadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

.card{background:var(--card);border-radius:var(--r-lg);box-shadow:var(--shadow-soft);margin-bottom:14px}

/* 日期导航 */
.date-nav{display:flex;align-items:center;gap:6px;padding:10px 12px}
.navbtn{
  width:42px;height:42px;flex:none;border-radius:14px;display:grid;place-items:center;
  background:#f5f4fd;color:#6d28d9;font-size:22px;
}
.navbtn:active{transform:scale(.94);background:#ede9fe}
.navbtn svg{width:20px;height:20px}
.date-main{
  position:relative;flex:1;display:flex;flex-direction:column;align-items:center;gap:1px;
  padding:4px;cursor:pointer;border-radius:14px;
}
.native-date{
  position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer;z-index:2;
}
.date-label{font-size:17px;font-weight:700;display:flex;align-items:center;gap:6px}
.date-label .tag{font-size:11px;font-weight:600;padding:2px 8px;border-radius:999px;background:linear-gradient(135deg,#7c3aed,#ec4899);color:#fff}
.date-label .tag.today{background:var(--ok)}
.date-sub{font-size:12px;color:var(--muted)}

/* 今日合计 */
.total-chip-wrap{padding:0 2px 12px}
.total-chip{
  display:flex;align-items:center;justify-content:center;gap:10px;
  background:var(--grad);color:#fff;border-radius:var(--r-md);
  padding:12px 16px;box-shadow:0 6px 18px rgba(192,38,211,.28);
  font-size:14px;font-weight:600;
}
.total-chip b{font-size:22px;font-variant-numeric:tabular-nums}
.total-chip .unit{opacity:.9;font-weight:400;font-size:12px}

/* 饮品列表项 */
.drink-list{display:flex;flex-direction:column;gap:10px}
.drink-item{
  position:relative;display:flex;align-items:center;gap:12px;
  background:var(--card);border-radius:var(--r-md);padding:12px 14px;
  box-shadow:var(--shadow-soft);cursor:pointer;user-select:none;
  transition:transform .08s ease;
}
.drink-item:active{transform:scale(.985)}
.di-icon{
  width:46px;height:46px;flex:none;border-radius:14px;display:grid;place-items:center;
  font-size:24px;color:#fff;
}
.di-meta{flex:1;min-width:0}
.di-name{font-size:16px;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.di-sub{font-size:12px;color:var(--muted);margin-top:2px}
.di-count{
  font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;
  min-width:44px;text-align:center;
}
.di-actions{display:flex;gap:8px;flex:none}
.di-btn{
  width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
  font-size:22px;font-weight:700;line-height:1;transition:transform .08s ease;
}
.di-btn.plus{background:linear-gradient(135deg,#7c3aed,#c026d3);color:#fff;box-shadow:0 4px 12px rgba(124,58,237,.35)}
.di-btn.minus{background:#f3f1fb;color:#6b7280}
.di-btn.plus:active{transform:scale(.9)}
.di-btn.minus:active{transform:scale(.9)}
.di-btn:disabled{opacity:.35;pointer-events:none}
.pop{animation:pop .25s ease}
@keyframes pop{0%{transform:scale(1.35)}100%{transform:scale(1)}}

/* 空状态 */
.empty{text-align:center;padding:52px 24px;background:var(--card);border-radius:var(--r-lg);box-shadow:var(--shadow-soft)}
.empty-emoji{font-size:52px}
.empty h3{margin-top:10px;font-size:17px}
.empty p{color:var(--muted);font-size:13px;margin:6px 0 18px}
.empty .btn{margin:0 auto}

/* 通用按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  border-radius:999px;padding:11px 22px;font-size:15px;font-weight:600;
}
.btn.primary{background:var(--grad);color:#fff;box-shadow:0 6px 16px rgba(192,38,211,.3)}
.btn.ghost{background:#f2f1f8;color:var(--text)}
.btn.danger{background:#fee2e2;color:#dc2626}
.btn.big{font-size:16px;padding:13px 30px}
.btn:active{transform:scale(.96)}

/* 浮动按钮 */
.fab{
  position:fixed;right:18px;bottom:calc(var(--tab-h) + var(--safe-b) + 16px);
  width:58px;height:58px;border-radius:50%;background:var(--grad);color:#fff;
  font-size:30px;font-weight:300;line-height:1;
  display:grid;place-items:center;box-shadow:0 10px 24px rgba(192,38,211,.4);
  z-index:30;
}
.fab:active{transform:scale(.92)}

/* ============ 统计 ============ */
.seg-wrap{display:flex;align-items:center;gap:10px;padding:10px}
.segmented{
  flex:1;display:flex;background:#eef0f8;border-radius:999px;padding:4px;gap:4px;
}
.seg{
  flex:1;padding:9px 0;border-radius:999px;font-size:14px;font-weight:600;color:var(--muted);
}
.seg.active{background:#fff;color:#6d28d9;box-shadow:0 2px 8px rgba(0,0,0,.08)}
.export-btn{
  flex:none;display:flex;align-items:center;gap:6px;
  background:var(--grad);color:#fff;border-radius:999px;padding:9px 14px;
  font-size:13px;font-weight:600;box-shadow:0 4px 12px rgba(192,38,211,.3);
}
.export-btn:active{transform:scale(.95)}
.export-btn svg{width:15px;height:15px}

.stat-nav{display:flex;align-items:center;gap:8px;justify-content:center;margin-bottom:12px}
.stat-nav .navbtn{width:38px;height:38px}
.stat-nav .cur{
  position:relative;font-size:16px;font-weight:700;padding:8px 10px;min-width:130px;
  text-align:center;cursor:pointer;display:flex;flex-direction:column;align-items:center;
  justify-content:center;
}
.stat-nav .cur small{display:block;font-size:11px;color:var(--muted);font-weight:400}
.stat-nav .go-today{font-size:12px;color:#6d28d9;font-weight:600;padding:6px 10px}

.stat-card{background:var(--card);border-radius:var(--r-lg);box-shadow:var(--shadow-soft);padding:16px;margin-bottom:14px}
.stat-card h3{font-size:13px;color:var(--muted);font-weight:600;margin-bottom:12px;display:flex;justify-content:space-between;align-items:center}
.stat-card h3 .mini{font-size:12px;color:#6d28d9}

.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:14px}
.kpi{background:var(--card);border-radius:var(--r-md);box-shadow:var(--shadow-soft);padding:13px 6px;text-align:center}
.kpi .num{font-size:24px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums}
.kpi .lbl{font-size:11px;color:var(--muted);margin-top:2px}

/* 排名行 */
.rank-row{display:flex;align-items:center;gap:10px;padding:9px 0}
.rank-row .r-icon{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;font-size:19px;color:#fff;flex:none}
.rank-row .r-name{font-size:14px;font-weight:600;min-width:64px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rank-row .r-track{flex:1;height:10px;border-radius:999px;background:#f1f0f8;overflow:hidden}
.rank-row .r-bar{height:100%;border-radius:999px;transition:width .5s ease}
.rank-row .r-num{min-width:44px;text-align:right;font-weight:800;font-size:15px;font-variant-numeric:tabular-nums}

/* 每日趋势 */
.trend{display:flex;align-items:flex-end;gap:5px;height:110px;padding-top:6px}
.trend .td{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;gap:4px}
.trend .td .n{font-size:10px;color:var(--muted);font-variant-numeric:tabular-nums}
.trend .td .bar{width:100%;max-width:26px;border-radius:6px 6px 3px 3px;background:linear-gradient(180deg,#a78bfa,#7c3aed);min-height:3px}
.trend .td.empty .bar{background:#e7e6f2}
.trend .td .d{font-size:10px;color:#a5a9bc}
.trend .td.today .d{color:#6d28d9;font-weight:800}
.trend .td.fut .d{color:#dfe0ea}
.trend .bar.none{background:transparent;box-shadow:none}

/* 明细表格（按日） */
.day-table{width:100%;border-collapse:collapse}
.day-table th{font-size:11px;color:var(--muted);font-weight:600;text-align:left;padding:6px 8px;border-bottom:1px solid var(--line)}
.day-table th.num,.day-table td.num{text-align:right}
.day-table td{padding:9px 8px;border-bottom:1px solid var(--line);font-size:14px}
.day-table tr:last-child td{border-bottom:none}
.day-table td .dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:7px;vertical-align:1px}
.day-table tr.total-row td{font-weight:800;color:#6d28d9}
.row-zero{color:#c4c7d4}

/* 月度日列表 */
.daylist{display:flex;flex-direction:column}
.daylist .dl-row{
  display:flex;align-items:center;gap:10px;padding:10px 2px;
  border-bottom:1px dashed var(--line);
}
.daylist .dl-row:last-child{border-bottom:none}
.dl-date{width:92px;flex:none}
.dl-date b{display:block;font-size:13px}
.dl-date span{font-size:11px;color:var(--muted)}
.dl-info{flex:1;font-size:12px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dl-info b{color:var(--text)}
.dl-total{font-weight:800;color:#6d28d9;font-variant-numeric:tabular-nums}
.dl-row.today{background:#faf8ff;border-radius:10px}

/* ============ 管理 ============ */
.add-card{padding:16px}
.add-card h2{font-size:15px;margin-bottom:12px}
.add-row{display:flex;gap:8px}
.emoji-input{
  width:58px;text-align:center;background:#f5f4fd;border-radius:12px;
  padding:12px 4px;font-size:18px;flex:none;
}
.name-input{
  flex:1;background:#f5f4fd;border-radius:12px;padding:12px 14px;font-size:15px;min-width:0;
}
.btn-add{
  flex:none;background:var(--grad);color:#fff;border-radius:12px;padding:0 18px;
  font-size:15px;font-weight:700;
}
.btn-add:active{transform:scale(.95)}
.sugs{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.sug{
  font-size:12px;padding:7px 12px;border-radius:999px;background:#f5f4fd;color:#5b5f74;
  border:1px solid transparent;
}
.sug:active{background:#ede9fe}
.manage-head{display:flex;justify-content:space-between;align-items:center;padding:2px 4px 10px;font-size:12px;color:var(--muted)}
.manage-head b{color:var(--text);font-size:14px}
.mg-actions{display:flex;gap:6px;flex:none}
.mg-link{
  font-size:12px;font-weight:600;color:#6d28d9;background:#f3f0fe;border-radius:999px;padding:7px 12px;
}
.mg-link.danger{color:#dc2626;background:#fdecec}
.mg-link:active{transform:scale(.95)}
.import-quick{display:flex;flex-direction:column;align-items:center;gap:8px;margin:6px 0 16px}
.import-quick p{font-size:11px;color:#c2c5d4}
.backup-links{display:flex;justify-content:center;align-items:center;gap:10px;margin-top:18px;font-size:12px;color:#c2c5d4}
.backup-links .link{font-size:12px;color:#8b91a7;text-decoration:underline}
.backup-links .link:active{color:#6d28d9}

/* ============ 底部导航 ============ */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:50;
  display:flex;max-width:560px;margin:0 auto;
  background:rgba(255,255,255,.94);backdrop-filter:blur(14px);
  border-top:1px solid var(--line);
  padding-bottom:var(--safe-b);height:calc(var(--tab-h) + var(--safe-b));
}
.tab{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:11px;color:var(--muted);font-weight:600;
}
.tab svg{width:22px;height:22px;transition:transform .15s}
.tab.active{color:#7c3aed}
.tab.active svg{transform:translateY(-1px) scale(1.05);filter:drop-shadow(0 3px 6px rgba(124,58,237,.45))}
.tab:active{opacity:.7}

/* ============ 弹窗 ============ */
.modal-mask{
  position:fixed;inset:0;z-index:90;background:rgba(23,20,40,.45);
  display:flex;align-items:flex-end;justify-content:center;
  animation:fadeIn .18s ease;
}
.sheet,.alert{
  width:100%;max-width:560px;background:#fff;border-radius:24px 24px 0 0;
  padding:10px 20px calc(22px + env(safe-area-inset-bottom,0px));
  animation:sheetUp .26s cubic-bezier(.2,.9,.3,1.2);
}
@keyframes sheetUp{from{transform:translateY(60px);opacity:.6}to{transform:none;opacity:1}}
.sheet-handle{width:42px;height:5px;border-radius:3px;background:#e2e2ee;margin:4px auto 12px}
.sheet h3{font-size:17px;margin-bottom:16px;text-align:center}
.sheet-row{display:flex;gap:8px}
.sheet-hint{font-size:12px;color:var(--muted);margin:14px 0 8px}
.sheet-colors{display:flex;gap:10px;flex-wrap:wrap}
.color-dot{
  width:34px;height:34px;border-radius:50%;position:relative;border:3px solid transparent;
}
.color-dot.on{border-color:#232838}
.color-dot.on::after{content:"✓";position:absolute;inset:0;display:grid;place-items:center;color:#fff;font-size:15px;font-weight:800;text-shadow:0 1px 2px rgba(0,0,0,.3)}
.sheet-actions{display:flex;gap:10px;margin-top:22px}
.sheet-actions .btn{flex:1}
.alert{
  border-radius:24px;margin:auto 16px;padding:22px 20px;animation:sheetUp .22s ease;
}
.alert h3{text-align:center;font-size:16px;margin-bottom:8px}
.alert p{font-size:13px;color:var(--muted);text-align:center;line-height:1.7}

/* ============ Toast ============ */
#toast{
  position:fixed;left:50%;bottom:calc(var(--tab-h) + var(--safe-b) + 24px);
  transform:translateX(-50%) translateY(10px);
  background:rgba(35,40,56,.92);color:#fff;font-size:13px;
  padding:10px 18px;border-radius:999px;z-index:120;opacity:0;pointer-events:none;
  transition:opacity .2s,transform .2s;max-width:82vw;text-align:center;
}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
#toast.ok{background:rgba(16,185,129,.95)}
#toast.err{background:rgba(239,68,68,.95)}

/* 桌面端美化 */
@media(min-width:560px){
  .fab{right:calc(50% - 280px + 18px)}
  .modal-mask{align-items:center}
  .sheet{border-radius:26px;margin:0 16px;padding:10px 22px 22px}
}