:root{
  --bg:#f2f3f5;--panel:#ffffff;--panel2:#f6f7f8;--ink:#1d1d1f;--muted:#86868b;--faint:#b0b2b7;
  --line:#e5e6e9;--green:#1f6f5c;--green2:#2d8b73;--green-soft:#e8f2ee;
  --orange:#c77b3d;--orange-soft:#f8eee5;--red:#b45454;--red-soft:#f8eaea;
  --blue:#4d6fa8;--blue-soft:#ebf0f7;--radius:18px;
  --shadow:0 10px 28px rgba(24,32,28,.08);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}
html,body{touch-action:manipulation;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}
button,a,.cal-cell,.tabbar button,.chip,.sheet{touch-action:manipulation}
body{min-height:100vh;min-height:100dvh}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
.hidden{display:none!important}
.sprite{position:absolute;width:0;height:0;overflow:hidden}
svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.eyebrow{margin:0;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px;letter-spacing:1.8px;color:var(--green);font-weight:700}
.muted{color:var(--muted);font-size:12px}
.small{font-size:11px}
.pill{font-size:10px;border-radius:20px;padding:4px 8px;background:var(--green-soft);color:var(--green);font-weight:700}
.pill.warn{background:var(--orange-soft);color:var(--orange)}

/* login */
.login-screen{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;justify-content:center;padding:36px 28px;max-width:520px;margin:0 auto;background:var(--bg)}
.login-mark{width:64px;height:64px;border-radius:20px;background:var(--green);color:#fff;display:grid;place-items:center;font-size:34px;font-weight:800;box-shadow:0 10px 24px rgba(31,111,92,.22);margin-bottom:28px}
.login-screen h1{font-size:34px;letter-spacing:-1px;margin:8px 0 10px}
.login-sub{color:var(--muted);font-size:14px;line-height:1.7;margin:0 0 32px}
.login-form{display:flex;flex-direction:column;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field>span,.field-label{font-size:11px;color:var(--muted);font-weight:600}
.field input,.field select,.field textarea{border:1px solid var(--line);background:var(--panel);border-radius:12px;padding:12px 13px;font-size:15px;color:var(--ink);outline:none;width:100%}
.field textarea{resize:vertical;min-height:110px}
.field input:focus,.field select:focus,.field textarea:focus{border-color:rgba(31,111,92,.45);box-shadow:0 0 0 3px rgba(31,111,92,.08)}
.btn{border:1px solid var(--line);border-radius:12px;background:var(--panel);color:var(--ink);padding:11px 16px;font-size:14px;font-weight:650;cursor:pointer;transition:.16s}
.btn:active{transform:scale(.985)}
.btn.primary{background:var(--green);border-color:var(--green);color:#fff}
.btn.ghost{background:transparent;color:var(--muted)}
.btn.danger-soft{background:var(--red-soft);color:var(--red);border-color:transparent}
.btn.block{width:100%;display:block;text-align:center}
.form-error{color:var(--red);font-size:12px;text-align:center;margin:0}
.remember-row{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted);margin-top:-4px}
.remember-row input{width:16px;height:16px;accent-color:var(--green)}
.device-list{display:flex;flex-direction:column;gap:8px}
.device-item{display:flex;align-items:center;justify-content:space-between;gap:10px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:10px 12px}
.device-copy b{display:block;font-size:12px}.device-copy span{display:block;font-size:9px;color:var(--faint);margin-top:3px}
.device-item .btn{font-size:10px;padding:6px 9px}

/* app frame */
.app{max-width:520px;margin:0 auto;min-height:100vh;min-height:100dvh;background:var(--bg);position:relative;padding-bottom:calc(92px + env(safe-area-inset-bottom))}
.topbar{position:sticky;top:0;z-index:20;background:rgba(242,243,245,.88);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);display:flex;align-items:flex-start;justify-content:space-between;padding:calc(14px + env(safe-area-inset-top)) 20px 10px;border-bottom:1px solid rgba(229,230,233,.7)}
.page-title{font-size:28px;line-height:1.1;letter-spacing:-.8px;margin:3px 0 0}
.icon-btn{all:unset;width:38px;height:38px;border-radius:12px;display:grid;place-items:center;color:var(--muted);cursor:pointer;flex:none}
.icon-btn:active{background:rgba(60,60,67,.08)}
.icon-btn.small{width:32px;height:32px;border-radius:10px}
.main{padding:14px 16px 20px}
.page{display:flex;flex-direction:column;gap:14px}
.hero-card{background:linear-gradient(145deg,#1b4d40,#246c58);color:#fff;border-radius:24px;padding:22px;box-shadow:0 14px 32px rgba(24,73,59,.18);position:relative;overflow:hidden}
.hero-card:after{content:"";position:absolute;width:180px;height:180px;border-radius:50%;border:1px solid rgba(255,255,255,.13);right:-70px;top:-80px}
.hero-label{margin:0;color:rgba(255,255,255,.65);font-size:12px}
.hero-value{font-size:38px;font-weight:750;letter-spacing:-1.2px;margin:8px 0 4px}
.hero-sub{margin:0;color:rgba(255,255,255,.72);font-size:12px}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.stat-card{background:var(--panel);border:1px solid var(--line);border-radius:15px;padding:12px 11px;min-width:0}
.stat-card span{display:block;font-size:10px;color:var(--muted)}
.stat-card b{display:block;font-size:16px;margin-top:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:10px}
.card-head h2{font-size:15px;margin:0;letter-spacing:-.2px;display:flex;align-items:center;gap:6px}
.spark{width:15px;height:15px;color:var(--green)}
.trend{height:100px;display:flex;align-items:flex-end;gap:8px;padding:6px 2px 0;border-top:1px dashed var(--line);position:relative}
.trend-col{flex:1;display:flex;align-items:flex-end;justify-content:center;gap:3px;height:100%;position:relative}
.trend-col i{display:block;width:7px;border-radius:4px 4px 2px 2px;background:var(--green-soft)}
.trend-col i.expense{background:var(--orange-soft)}
.trend-col span{position:absolute;bottom:-18px;font-size:8px;color:var(--faint)}
.ai-card{background:linear-gradient(145deg,#edf5f1,#f7faf8);border-color:#dfece6}
.ai-card p{font-size:12px;line-height:1.7;color:var(--muted);margin:4px 0 10px}
.text-btn{all:unset;color:var(--green);font-size:12px;font-weight:700;cursor:pointer}
.section-head{display:flex;align-items:center;justify-content:space-between;margin:6px 2px -2px}
.section-head h2{font-size:15px;margin:0}
.list{display:flex;flex-direction:column;gap:1px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.tx-row{display:flex;align-items:center;gap:11px;padding:12px 13px;background:var(--panel);border-bottom:1px solid var(--line);cursor:pointer}
.tx-row:last-child{border-bottom:0}
.tx-row:active{background:var(--panel2)}
.tx-icon{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;font-size:13px;font-weight:800;flex:none;background:var(--green-soft);color:var(--green)}
.tx-icon.expense{background:var(--orange-soft);color:var(--orange)}
.tx-main{flex:1;min-width:0}
.tx-main b{display:block;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.project-tag{display:inline-block;font-size:8px;color:var(--blue);background:var(--blue-soft);border-radius:5px;padding:1px 4px;margin-left:3px;vertical-align:1px}
.tx-main span{display:block;font-size:10px;color:var(--muted);margin-top:2px}
.tx-amount{font-size:14px;font-weight:750;white-space:nowrap;color:var(--green)}
.tx-amount.expense{color:var(--orange)}
.empty{padding:28px;text-align:center;color:var(--faint);font-size:12px}

/* calendar */
.month-head{display:flex;align-items:center;justify-content:space-between;padding:4px 2px}
.month-head h2{font-size:19px;margin:0}
.month-head p{margin:3px 0 0}
.calendar-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:12px}
.calendar-summary div{text-align:center;border-right:1px solid var(--line)}
.calendar-summary div:last-child{border-right:0}
.calendar-summary span{display:block;font-size:9px;color:var(--muted)}
.calendar-summary b{display:block;font-size:13px;margin-top:4px;white-space:nowrap}
#calIncome{color:var(--green)}#calExpense{color:var(--orange)}#calNet{color:var(--ink)}
.mode-row{display:flex;align-items:center;justify-content:space-between}
.segmented{display:flex;background:#e9ebed;border-radius:10px;padding:3px;gap:2px}
.segmented button{all:unset;padding:6px 14px;border-radius:8px;font-size:11px;color:var(--muted);cursor:pointer;font-weight:650}
.segmented button.active{background:#fff;color:var(--ink);box-shadow:0 1px 4px rgba(0,0,0,.06)}
.calendar-week{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;padding:2px 1px 0}
.calendar-week span{text-align:center;font-size:9px;color:var(--faint);font-weight:700}
.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}
.cal-cell{min-height:58px;border-radius:9px;background:#f7f8f9;border:1px solid transparent;padding:5px 4px;display:flex;flex-direction:column;gap:3px;cursor:pointer;position:relative;overflow:hidden}
.cal-cell.blank{background:transparent;border:0;cursor:default}
.cal-cell .day{font-size:10px;font-weight:700;color:var(--ink)}
.cal-cell .amt{font-size:8.5px;font-weight:700;white-space:nowrap;letter-spacing:-.2px}
.cal-cell.positive{background:var(--green-soft)}.cal-cell.positive .amt{color:var(--green)}
.cal-cell.negative{background:var(--red-soft)}.cal-cell.negative .amt{color:var(--red)}
.cal-cell.zero .amt{color:var(--faint)}
.cal-cell.today:after{content:"";position:absolute;right:5px;top:5px;width:4px;height:4px;border-radius:50%;background:var(--green)}
.cal-cell.selected{border-color:var(--green);box-shadow:inset 0 0 0 1px var(--green)}
.calendar-legend{display:flex;align-items:center;gap:5px;font-size:9px;color:var(--muted);padding:2px 2px}
.dot{width:6px;height:6px;border-radius:50%;display:inline-block;margin-left:8px}.dot:first-child{margin-left:0}
.dot.green{background:var(--green)}.dot.red{background:var(--red)}.dot.neutral{background:var(--faint)}

/* ledger */
.quick-card{padding:14px}
.quick-input{display:flex;gap:8px}
.quick-input input{flex:1;border:1px solid var(--line);background:var(--panel2);border-radius:12px;padding:11px 12px;font-size:14px;outline:none;min-width:0}
.quick-input .btn{padding:11px 15px}
.hint{font-size:10px;color:var(--faint);line-height:1.6;margin:8px 0 0}

/* memos */
.memo-list{display:flex;flex-direction:column;gap:10px}
.memo-card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:15px;cursor:pointer}
.memo-card h3{font-size:14px;margin:0 0 7px}
.memo-card p{font-size:12px;line-height:1.65;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.memo-card time{display:block;font-size:9px;color:var(--faint);margin-top:9px}
.memo-card.pinned{border-color:#d9e9e2;background:linear-gradient(180deg,#fbfdfc,#fff)}

/* report */
.report-head{padding:6px 2px 0}
.report-head h2{font-size:23px;margin:6px 0 3px;letter-spacing:-.5px}
.report-total{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:18px}
.report-total span{display:block;font-size:11px;color:var(--muted)}
.report-total b{display:block;font-size:34px;letter-spacing:-1.2px;color:var(--orange);margin:5px 0 4px}
.report-total small{font-size:10px;color:var(--muted)}
.category-list{display:flex;flex-direction:column;gap:12px}
.category-row{display:flex;flex-direction:column;gap:6px}
.category-line{display:flex;align-items:center;justify-content:space-between;font-size:12px}
.category-line span{color:var(--muted)}
.category-bar{height:7px;border-radius:4px;background:#eef0f1;overflow:hidden}
.category-bar i{display:block;height:100%;border-radius:4px}

/* tabbar */
.tabbar{position:fixed;left:50%;transform:translateX(-50%);bottom:0;width:min(100%,520px);z-index:30;background:rgba(255,255,255,.92);backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);border-top:1px solid rgba(229,230,233,.8);display:grid;grid-template-columns:repeat(5,1fr);padding:7px 6px calc(7px + env(safe-area-inset-bottom))}
.tabbar button{all:unset;display:flex;flex-direction:column;align-items:center;gap:4px;padding:5px 0;color:var(--faint);font-size:9px;font-weight:650;cursor:pointer}
.tabbar button svg{width:20px;height:20px}
.tabbar button.active{color:var(--green)}
.tabbar button.center{transform:translateY(-14px)}
.tabbar button.center .tab-plus{width:42px;height:42px;border-radius:50%;background:var(--green);color:#fff;display:grid;place-items:center;font-size:26px;line-height:1;box-shadow:0 7px 18px rgba(31,111,92,.28)}
.tabbar button.center span:last-child{color:var(--green)}

/* sheets */
.sheet-backdrop{position:fixed;inset:0;background:rgba(12,20,16,.38);z-index:40;backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px)}
.sheet{position:fixed;left:50%;bottom:0;transform:translateX(-50%) translateY(103%);width:min(100%,520px);max-height:90vh;max-height:90dvh;overflow:auto;z-index:50;background:var(--bg);border-radius:24px 24px 0 0;padding:8px 18px calc(22px + env(safe-area-inset-bottom));transition:transform .26s cubic-bezier(.2,.8,.2,1);box-shadow:0 -16px 50px rgba(0,0,0,.16)}
.sheet.open{transform:translateX(-50%) translateY(0)}
.sheet-grab{width:40px;height:4px;border-radius:3px;background:#d5d8da;margin:0 auto 12px}
.sheet-head{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:14px}
.sheet-head h2{font-size:22px;margin:0;letter-spacing:-.4px}
.sheet-head p{margin:4px 0 0}
.type-toggle{display:grid;grid-template-columns:1fr 1fr;background:#e9ebed;border-radius:12px;padding:3px;margin-bottom:14px}
.type-toggle button{all:unset;text-align:center;padding:9px;border-radius:9px;font-size:13px;font-weight:700;color:var(--muted);cursor:pointer}
.type-toggle button.active{background:#fff;color:var(--ink);box-shadow:0 1px 4px rgba(0,0,0,.06)}
.scope-toggle{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:-4px 0 12px}
.scope-toggle button{all:unset;text-align:center;padding:8px;border-radius:10px;border:1px solid var(--line);background:var(--panel);font-size:11px;color:var(--muted);font-weight:650;cursor:pointer}
.scope-toggle button.active{border-color:#cfe5dc;background:var(--green-soft);color:var(--green)}
.project-picker{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:10px 12px;margin-bottom:12px;position:relative}
.project-picker .field{margin:0}.project-picker .text-btn{display:inline-block;margin-top:7px;font-size:10px}
.project-summary{display:flex;flex-direction:column;gap:1px}
.project-row{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--line);cursor:pointer}
.project-row:last-child{border-bottom:0}
.project-dot{width:9px;height:9px;border-radius:50%;flex:none}
.project-copy{flex:1;min-width:0}.project-copy b{display:block;font-size:12px}.project-copy span{display:block;font-size:9px;color:var(--muted);margin-top:3px}
.project-amount{text-align:right;font-size:10px;white-space:nowrap}.project-amount b{display:block;font-size:12px}.project-amount span{display:block;font-size:9px;color:var(--muted);margin-top:2px}
.project-total{display:flex;justify-content:space-between;border-top:1px solid var(--line);margin-top:8px;padding-top:10px;font-size:11px;color:var(--muted)}
.project-total b{color:var(--ink)}
.amount-field{display:flex;align-items:center;gap:6px;padding:12px 2px;border-bottom:1px solid var(--line);margin-bottom:14px}
.amount-field span{font-size:24px;color:var(--muted)}
.amount-field input{border:0;outline:0;background:transparent;font-size:38px;font-weight:750;letter-spacing:-1px;width:100%;color:var(--ink);min-width:0}
.field-label{font-size:11px;color:var(--muted);font-weight:600;margin:2px 0 8px}
.chip-row{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:14px}
.chip{all:unset;padding:7px 11px;border-radius:20px;background:var(--panel);border:1px solid var(--line);font-size:11px;color:var(--muted);cursor:pointer}
.chip.active{background:var(--green-soft);border-color:#cfe5dc;color:var(--green);font-weight:700}
.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:12px}
.sheet-actions{display:flex;gap:8px;margin-top:16px}
.sheet-actions .block{flex:1}
.day-totals{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:12px}
.day-totals div{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:10px;text-align:center}
.day-totals span{display:block;font-size:9px;color:var(--muted)}
.day-totals b{display:block;font-size:13px;margin-top:4px}
.settings-section{padding:14px 0;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:12px}
.settings-section:first-of-type{border-top:0;padding-top:0}
.settings-section h3{margin:0;font-size:15px}
.toast{position:fixed;left:50%;bottom:calc(92px + env(safe-area-inset-bottom));transform:translateX(-50%) translateY(12px);background:#1d1d1f;color:#fff;font-size:12px;padding:9px 14px;border-radius:20px;opacity:0;pointer-events:none;transition:.2s;z-index:70;max-width:90%;text-align:center}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

@media(min-width:700px){
  .app{box-shadow:0 0 0 1px var(--line);min-height:100vh}
  .login-screen{min-height:100vh}
}