/* 牛逼大王记账 样式 */
:root{
  --bg:#f2faf8;
  --card:#ffffff;
  --text:#0f172a;
  --muted:#64748b;
  --teal:#14b8a6;
  --teal-dark:#0f766e;
  --sky:#0ea5e9;
  --expense:#ef4444;
  --income:#22c55e;
  --line:#e2e8f0;
  --nav-h:64px;
  --shadow:0 8px 24px rgba(15,118,110,.10);
  --shadow-sm:0 2px 8px rgba(15,23,42,.06);
  --grad:linear-gradient(135deg,#14b8a6,#0ea5e9);
}
[data-theme="dark"]{
  --bg:#0b1220;
  --card:#131c2e;
  --text:#e2e8f0;
  --muted:#94a3b8;
  --line:#1e293b;
  --shadow:0 8px 24px rgba(0,0,0,.4);
  --shadow-sm:0 2px 8px rgba(0,0,0,.3);
}
/* 主题色（可爱配色） */
[data-accent="pink"]{--teal:#f472b6;--teal-dark:#db2777;--sky:#c084fc;}
[data-accent="grape"]{--teal:#a78bfa;--teal-dark:#7c3aed;--sky:#818cf8;}
[data-accent="ocean"]{--teal:#38bdf8;--teal-dark:#0284c7;--sky:#818cf8;}
[data-accent="tangerine"]{--teal:#fb923c;--teal-dark:#ea580c;--sky:#f472b6;}
[data-accent="matcha"]{--teal:#84cc16;--teal-dark:#4d7c0f;--sky:#14b8a6;}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
html,body{margin:0;padding:0;}
html{background:var(--bg);}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  background:transparent;
  color:var(--text);
  padding-bottom:calc(var(--nav-h) + env(safe-area-inset-bottom) + 12px);
  transition:color .3s;
  -webkit-font-smoothing:antialiased;
}
/* 背景图 & 图案层 */
.bg-layer{
  position:fixed;inset:0;z-index:-2;background-size:cover;background-position:center;
  transition:opacity .25s;
}
.bg-pattern{
  position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-repeat:repeat;background-size:96px 96px;
}
.app{max-width:560px;margin:0 auto;padding:0 14px;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,select{font-family:inherit;font-size:15px;}
h1,h3{margin:0;}
.muted{color:var(--muted);font-size:13px;}
.expense{color:var(--expense)!important;}
.income{color:var(--income)!important;}

/* 顶部 */
.topbar{padding:calc(env(safe-area-inset-top) + 18px) 4px 10px;}
.topbar h1{font-size:22px;font-weight:800;letter-spacing:.5px;}

/* 页面切换 */
.page{display:none;animation:fade .25s ease;}
.page.active{display:block;}
@keyframes fade{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:none;}}

/* 汇总卡 */
.summary-card{
  background:var(--grad);color:#fff;border-radius:22px;padding:18px 18px 16px;
  box-shadow:var(--shadow);margin-bottom:14px;
}
.sum-today{display:flex;flex-direction:column;gap:2px;margin-bottom:14px;}
.sum-label{font-size:12px;opacity:.85;}
.sum-today-num{font-size:34px;font-weight:800;line-height:1.1;}
.sum-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;}
.sum-cell{background:rgba(255,255,255,.16);border-radius:14px;padding:10px 8px;display:flex;flex-direction:column;gap:3px;}
.sum-num{font-size:15px;font-weight:700;}
.summary-card .expense,.summary-card .income{color:#fff!important;}
.budget-line{margin-top:12px;display:none;flex-direction:column;gap:5px;}
.budget-bar{height:6px;background:rgba(255,255,255,.25);border-radius:3px;overflow:hidden;}
.budget-fill{height:100%;background:#fff;border-radius:3px;transition:width .4s;}
.budget-text{font-size:12px;opacity:.9;}

/* 月份切换/筛选 */
.filter-bar{display:flex;align-items:center;justify-content:center;gap:18px;margin:6px 0 10px;}
.month-btn{width:34px;height:34px;border-radius:50%;background:var(--card);box-shadow:var(--shadow-sm);font-size:20px;color:var(--teal);display:grid;place-items:center;}
.month-title{font-size:16px;font-weight:700;min-width:96px;text-align:center;}
.filter-row{margin-bottom:8px;}
.search-input{width:100%;padding:11px 14px;border-radius:14px;border:1px solid var(--line);background:var(--card);color:var(--text);outline:none;}
.search-input:focus{border-color:var(--teal);}
.cat-filter-bar{display:flex;gap:8px;overflow-x:auto;padding:4px 2px 10px;-webkit-overflow-scrolling:touch;}
.cat-filter-bar::-webkit-scrollbar{display:none;}
.cat-filter{flex:0 0 auto;padding:7px 14px;border-radius:16px;background:var(--card);box-shadow:var(--shadow-sm);font-size:13px;color:var(--muted);white-space:nowrap;}
.cat-filter.active{background:var(--grad);color:#fff;}

/* 明细列表 */
.detail-list{padding-bottom:10px;}
.day-group{margin-bottom:14px;}
.day-head{display:flex;justify-content:space-between;align-items:center;padding:6px 4px;font-size:13px;color:var(--muted);font-weight:600;}
.day-sum{font-size:12px;}
.list-item{
  display:flex;align-items:center;gap:12px;background:var(--card);border-radius:16px;
  padding:12px 14px;margin-bottom:8px;box-shadow:var(--shadow-sm);
}
.li-ico{width:42px;height:42px;flex:0 0 42px;border-radius:12px;background:var(--bg);display:grid;place-items:center;font-size:20px;}
.li-main{flex:1;min-width:0;}
.li-cat{font-size:15px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.li-note{font-size:12px;color:var(--muted);margin-top:2px;}
.li-amt{font-size:16px;font-weight:700;white-space:nowrap;}
.empty{text-align:center;color:var(--muted);padding:60px 20px;font-size:14px;line-height:2;}
.empty .emo{font-size:48px;display:block;margin-bottom:8px;}

/* 卡片 */
.card{background:var(--card);border-radius:20px;padding:18px;margin-bottom:14px;box-shadow:var(--shadow-sm);}
.card h3{font-size:16px;margin-bottom:14px;}
.canvas-wrap{display:flex;justify-content:center;}
canvas{max-width:100%;}

/* 统计 */
.stat-card{text-align:center;}
.stat-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;}
.stat-head .month-title{font-size:15px;}
.big-num{font-size:38px;font-weight:800;margin:6px 0;}
.stat-diff{font-size:13px;font-weight:600;min-height:18px;}
.stat-diff.up{color:var(--expense);}
.stat-diff.down{color:var(--income);}
.legend{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.legend-item{display:flex;align-items:center;gap:8px;font-size:13px;}
.legend-dot{width:10px;height:10px;border-radius:50%;flex:0 0 10px;}
.legend-val{margin-left:auto;color:var(--muted);}
.budget-set{display:flex;gap:8px;}
.budget-set input{flex:1;padding:11px 14px;border-radius:12px;border:1px solid var(--line);background:var(--bg);color:var(--text);outline:none;}
.budget-tip{margin:10px 0 0;}

/* 按钮 */
.btn-primary{
  background:var(--grad);color:#fff;border-radius:14px;padding:12px 18px;font-size:15px;font-weight:700;
  box-shadow:var(--shadow);transition:transform .1s;
}
.btn-primary:active{transform:scale(.96);}
.btn-line{
  background:var(--bg);color:var(--text);border:1px solid var(--line);border-radius:14px;
  padding:11px 16px;font-size:14px;font-weight:600;transition:transform .1s;
}
.btn-line:active{transform:scale(.96);}
.btn-danger{background:#fef2f2;color:#dc2626;border:1px solid #fecaca;border-radius:14px;padding:12px;width:100%;font-size:15px;font-weight:700;}
[data-theme="dark"] .btn-danger{background:rgba(239,68,68,.12);border-color:rgba(239,68,68,.3);}

/* 设置 */
.setting-desc{line-height:1.6;margin:0 0 12px;}
.setting-input{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--line);background:var(--bg);color:var(--text);outline:none;margin-bottom:10px;}
.setting-input:focus{border-color:var(--teal);}
.setting-btn{width:100%;margin-top:4px;}
.key-status{margin:10px 0 0;min-height:16px;}
.avatar-preview{width:72px;height:72px;border-radius:50%;overflow:hidden;background:var(--bg);display:grid;place-items:center;margin-bottom:12px;}
.avatar-preview img{width:100%;height:100%;object-fit:cover;}
.setting-actions{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px;}
.setting-label{display:inline-flex;align-items:center;justify-content:center;}
.setting-row{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-top:1px solid var(--line);font-size:14px;}
.setting-row select{padding:8px 10px;border-radius:10px;border:1px solid var(--line);background:var(--bg);color:var(--text);}
/* 个性化外观 */
.custom-block{padding:12px 0;border-top:1px solid var(--line);}
.custom-block:first-of-type{border-top:none;}
.custom-label{display:block;font-size:13px;color:var(--muted);margin-bottom:10px;font-weight:600;}
.accent-picker{display:flex;gap:12px;flex-wrap:wrap;}
.accent-dot{width:34px;height:34px;border-radius:50%;border:3px solid transparent;box-shadow:var(--shadow-sm);transition:transform .12s;position:relative;}
.accent-dot:active{transform:scale(.9);}
.accent-dot.active{border-color:var(--text);transform:scale(1.08);}
.pattern-picker{display:flex;gap:8px;flex-wrap:wrap;}
.pattern-btn{width:42px;height:42px;border-radius:12px;background:var(--bg);border:1px solid var(--line);font-size:20px;display:grid;place-items:center;}
.pattern-btn.active{border-color:var(--teal);box-shadow:0 0 0 2px var(--teal) inset;}
.slider-row{display:flex;align-items:center;gap:10px;margin-top:10px;font-size:13px;color:var(--muted);}
.slider-row input[type=range]{flex:1;accent-color:var(--teal);height:28px;}
.slider-val{min-width:38px;text-align:right;font-weight:600;color:var(--text);}

.cats-mgr{display:flex;flex-direction:column;gap:8px;margin-bottom:12px;}
.cat-mgr-item{display:flex;align-items:center;gap:10px;background:var(--bg);border-radius:12px;padding:9px 12px;font-size:13px;}
.cm-ico{font-size:18px;}
.cm-name{font-weight:700;}
.cm-kw{flex:1;color:var(--muted);font-size:11px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.cat-mgr-item button{color:var(--expense);font-size:12px;padding:4px 10px;border-radius:8px;background:transparent;}
.add-cat{display:grid;grid-template-columns:1fr 64px 1.4fr auto;gap:6px;}
.add-cat input{padding:9px;border-radius:10px;border:1px solid var(--line);background:var(--bg);color:var(--text);font-size:13px;min-width:0;}
.add-cat .btn-primary{padding:9px 12px;font-size:13px;}

/* 底部导航 */
.bottom-nav{
  position:fixed;left:0;right:0;bottom:0;max-width:560px;margin:0 auto;height:calc(var(--nav-h) + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:var(--card);border-top:1px solid var(--line);
  display:grid;grid-template-columns:1fr 1fr 1fr 1fr;align-items:center;z-index:40;
  box-shadow:0 -4px 20px rgba(15,23,42,.05);
}
.tab{display:flex;flex-direction:column;align-items:center;gap:2px;color:var(--muted);font-size:11px;padding:8px 0;}
.tab.active{color:var(--teal);}
.tab-ico{font-size:21px;}
.tab-spacer{}
.fab-add{
  position:absolute;left:50%;top:-22px;transform:translateX(-50%);
  width:58px;height:58px;border-radius:50%;background:var(--grad);color:#fff;
  font-size:30px;font-weight:300;line-height:1;box-shadow:0 8px 20px rgba(20,184,166,.45);
  display:grid;place-items:center;transition:transform .12s;
}
.fab-add:active{transform:translateX(-50%) scale(.92);}

/* 弹层通用 */
.modal{
  position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:50;
  display:none;align-items:flex-end;justify-content:center;
  backdrop-filter:blur(2px);
}
.modal.show{display:flex;animation:bgIn .2s;}
@keyframes bgIn{from{opacity:0;}to{opacity:1;}}
.modal-sheet{
  background:var(--card);width:100%;max-width:560px;border-radius:24px 24px 0 0;
  padding:18px 16px calc(18px + env(safe-area-inset-bottom));max-height:92vh;overflow-y:auto;
  animation:sheetUp .28s cubic-bezier(.2,.8,.2,1);
}
@keyframes sheetUp{from{transform:translateY(100%);}to{transform:none;}}
.modal-close{position:absolute;top:14px;right:16px;font-size:26px;color:var(--muted);width:36px;height:36px;}

/* 记账弹层 */
.type-toggle{display:flex;gap:8px;background:var(--bg);border-radius:14px;padding:4px;margin-bottom:14px;}
.type-btn{flex:1;padding:10px;border-radius:11px;font-size:15px;font-weight:700;color:var(--muted);}
.type-btn.active{background:var(--card);box-shadow:var(--shadow-sm);color:var(--text);}
.type-btn.active[data-type="支出"]{color:var(--expense);}
.type-btn.active[data-type="收入"]{color:var(--income);}
.amount-display{text-align:center;font-size:42px;font-weight:800;padding:6px 0 2px;letter-spacing:1px;}
.amount-display.支出{color:var(--expense);}
.amount-display.收入{color:var(--income);}
.auto-cat-tip{font-size:12px;color:var(--teal);min-height:18px;text-align:center;margin-bottom:6px;}
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:12px;}
.cat-cell{display:flex;flex-direction:column;align-items:center;gap:4px;padding:10px 4px;border-radius:14px;background:var(--bg);transition:all .12s;}
.cat-cell.active{background:var(--grad);color:#fff;transform:scale(1.03);}
.cc-ico{font-size:24px;}
.cc-name{font-size:12px;}
.entry-note,.entry-date{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--line);background:var(--bg);color:var(--text);outline:none;margin-bottom:8px;}
.entry-note:focus,.entry-date:focus{border-color:var(--teal);}
.keypad{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:6px 0 12px;}
.keypad button{background:var(--bg);border-radius:12px;padding:14px 0;font-size:22px;font-weight:600;transition:background .1s;}
.keypad button:active{background:var(--teal);color:#fff;}
.key-del{font-size:20px;}
.modal-foot{display:flex;gap:8px;}
.modal-foot .btn-line{flex:1;}
.modal-foot .btn-primary{flex:1.4;}

/* 对话浮动按钮 */
.chat-fab{
  position:fixed;top:calc(env(safe-area-inset-top) + 14px);right:16px;z-index:45;
  width:46px;height:46px;border-radius:50%;background:var(--grad);color:#fff;font-size:20px;
  box-shadow:var(--shadow);display:grid;place-items:center;
}
.chat-fab:active{transform:scale(.92);}
.fab-dot{position:absolute;top:6px;right:6px;width:10px;height:10px;border-radius:50%;background:#ef4444;border:2px solid #fff;display:none;}
.fab-dot.show{display:block;}

/* 对话弹层 */
.chat-modal{align-items:stretch;}
.chat-sheet{
  margin:auto;bottom:0;width:100%;max-width:560px;height:100%;background:var(--bg);
  display:flex;flex-direction:column;animation:sheetUp .28s cubic-bezier(.2,.8,.2,1);
}
.chat-head{display:flex;align-items:center;justify-content:space-between;padding:calc(env(safe-area-inset-top) + 14px) 16px 12px;background:var(--card);border-bottom:1px solid var(--line);}
.chat-title{font-size:17px;font-weight:800;}
.chat-close{font-size:28px;color:var(--muted);width:36px;height:36px;}
.chat-body{flex:1;overflow-y:auto;padding:16px 14px;display:flex;flex-direction:column;gap:14px;}
.chat-row{display:flex;gap:8px;align-items:flex-end;max-width:85%;}
.chat-row.user{align-self:flex-end;flex-direction:row-reverse;}
.chat-avatar{width:36px;height:36px;flex:0 0 36px;border-radius:50%;overflow:hidden;}
.chat-avatar img,.chat-avatar svg{width:100%;height:100%;}
.chat-msg{
  background:var(--card);padding:11px 14px;border-radius:18px;border-bottom-left-radius:6px;
  font-size:15px;line-height:1.5;box-shadow:var(--shadow-sm);white-space:pre-wrap;word-break:break-word;
}
.chat-row.user .chat-msg{background:var(--grad);color:#fff;border-bottom-left-radius:18px;border-bottom-right-radius:6px;}
.chat-input-bar{display:flex;gap:8px;padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:var(--card);border-top:1px solid var(--line);}
.chat-input-bar input{flex:1;padding:12px 16px;border-radius:22px;border:1px solid var(--line);background:var(--bg);color:var(--text);outline:none;}
.chat-input-bar input:focus{border-color:var(--teal);}
.chat-send{background:var(--grad);color:#fff;border-radius:22px;padding:0 22px;font-size:15px;font-weight:700;}

/* Toast */
.toast{
  position:fixed;bottom:calc(var(--nav-h) + 30px);left:50%;transform:translateX(-50%) translateY(20px);
  background:rgba(15,23,42,.92);color:#fff;padding:11px 20px;border-radius:22px;font-size:14px;
  z-index:80;opacity:0;pointer-events:none;transition:all .3s;white-space:nowrap;max-width:90%;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);}

/* 桌面适配 */
@media(min-width:600px){
  body{padding-bottom:calc(var(--nav-h) + 40px);}
  .topbar{padding-top:30px;}
  .chat-fab{top:24px;}
}