:root{
  --bg:#f4f6f2;--card:#fff;--text:#1d2a20;--muted:#6b7a6e;--line:#e1e6dd;
  --primary:#2f5d3a;--primary-2:#3f7a4d;--accent:#d9a441;--danger:#b8403a;
  --radius:14px;--shadow:0 1px 3px rgba(0,0,0,.06),0 6px 18px rgba(0,0,0,.05);
  --safe-b:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme:dark){:root{--bg:#141a15;--card:#1d241f;--text:#eef2ea;--muted:#9aa89d;--line:#2c362f;--primary:#4f9a62;--primary-2:#5fb074;--shadow:none}}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--text);font:16px/1.45 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,sans-serif;-webkit-font-smoothing:antialiased}
.hidden{display:none!important}
button,input,select,textarea{font:inherit;color:inherit}
input,select,textarea{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:10px;background:var(--card);outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--primary)}
label{display:block;font-size:13px;color:var(--muted);margin:10px 0 4px}
.row{display:flex;gap:10px}.row>*{flex:1}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:11px 16px;border-radius:10px;border:1px solid var(--line);background:var(--card);cursor:pointer;font-weight:600}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.danger{color:var(--danger);border-color:var(--danger)}
.btn.small{padding:7px 11px;font-size:14px}
.btn.block{width:100%}
.icon-btn{background:none;border:0;font-size:20px;padding:6px;cursor:pointer;color:inherit}

/* login */
.login{min-height:100dvh;display:grid;place-items:center;padding:20px;background:linear-gradient(160deg,var(--primary),#1d3a25)}
.login-card{width:100%;max-width:360px;background:var(--card);border-radius:20px;padding:28px 24px;box-shadow:var(--shadow);text-align:center}
.login-card .logo{font-size:44px}
.login-card h1{margin:6px 0 18px;font-size:26px;line-height:1.1}.login-card h1 span{color:var(--primary);font-weight:500}
.login-card input{margin-bottom:10px;text-align:center}
.error{color:var(--danger);font-size:14px}

/* layout */
.topbar{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:var(--primary);color:#fff}
.topbar .brand{font-size:17px}
.topbar-actions{display:flex;align-items:center;gap:8px}
.savestate{font-size:12px;opacity:.8}
main{padding:16px 16px calc(84px + var(--safe-b));max-width:760px;margin:0 auto}
.tabbar{position:fixed;bottom:0;left:0;right:0;display:flex;background:var(--card);border-top:1px solid var(--line);padding-bottom:var(--safe-b);z-index:10}
.tabbar button{flex:1;background:none;border:0;padding:8px 0 6px;font-size:10px;color:var(--muted);display:flex;flex-direction:column;align-items:center;gap:2px;cursor:pointer}
.tabbar button span{font-size:20px}
.tabbar button.active{color:var(--primary);font-weight:700}

h2{font-size:22px;margin:4px 0 14px}
h3{font-size:16px;margin:18px 0 8px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;font-size:12px}
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px 16px;margin-bottom:12px;border:1px solid var(--line)}
.card.clickable{cursor:pointer}
.card-head{display:flex;justify-content:space-between;align-items:center;gap:10px}
.card-head .title{font-weight:700;font-size:17px}
.card-head .sub{font-size:13px;color:var(--muted)}
.amount{font-weight:700;font-variant-numeric:tabular-nums;white-space:nowrap}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.chip{font-size:12px;padding:3px 9px;border-radius:999px;background:var(--bg);border:1px solid var(--line);color:var(--muted)}
.chip.ok{background:#e6f3ea;color:var(--primary);border-color:#cfe5d6}
.chip.warn{background:#fbf1dc;color:#8a5f10;border-color:#f0dcae}
.muted{color:var(--muted)}.small{font-size:13px}
.list{margin:0;padding:0;list-style:none}
.list li{display:flex;justify-content:space-between;gap:10px;padding:8px 0;border-top:1px solid var(--line);align-items:center}
.list li:first-child{border-top:0}
.list li .grow{flex:1;min-width:0}
.list li .note{font-size:12px;color:var(--muted)}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:14px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:12px;text-align:center}
.stat b{display:block;font-size:20px}.stat span{font-size:12px;color:var(--muted)}
.monthbar{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:14px}
.monthbar .m{font-weight:700;font-size:18px}
.search{margin-bottom:12px}
.seg{display:flex;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--card)}
.seg button{flex:1;border:0;background:none;padding:10px 4px;cursor:pointer;color:var(--muted);font-weight:600}
.seg button.active{background:var(--primary);color:#fff}
table.t{width:100%;border-collapse:collapse;font-size:14px}
table.t th,table.t td{text-align:left;padding:7px 6px;border-bottom:1px solid var(--line);vertical-align:top}
table.t td.num,table.t th.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.table-wrap{overflow-x:auto}
pre.code{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:10px;font-size:12px;overflow:auto;max-height:240px}
.toggle{display:flex;align-items:center;justify-content:space-between;padding:10px 0}
.switch{position:relative;width:46px;height:26px;flex:none}
.switch input{opacity:0;width:0;height:0}
.switch i{position:absolute;inset:0;background:#cfd6cc;border-radius:999px;transition:.2s}
.switch i:before{content:"";position:absolute;width:20px;height:20px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.2s}
.switch input:checked+i{background:var(--primary)}.switch input:checked+i:before{transform:translateX(20px)}

/* bottom sheet */
.sheet{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:50;display:flex;align-items:flex-end;justify-content:center}
.sheet-inner{background:var(--card);width:100%;max-width:640px;max-height:92dvh;overflow:auto;border-radius:20px 20px 0 0;padding:18px 18px calc(20px + var(--safe-b))}
.sheet-inner h2{font-size:19px;margin:0 0 10px}
.sheet-actions{display:flex;gap:10px;margin-top:18px}
.sheet-actions .btn{flex:1}
@media (min-width:700px){.sheet{align-items:center}.sheet-inner{border-radius:20px}}

.toast{position:fixed;left:50%;bottom:calc(90px + var(--safe-b));transform:translateX(-50%);background:#1d2a20;color:#fff;padding:10px 16px;border-radius:999px;font-size:14px;z-index:60;box-shadow:var(--shadow)}
.fab{position:fixed;right:18px;bottom:calc(78px + var(--safe-b));width:54px;height:54px;border-radius:50%;background:var(--accent);color:#222;border:0;font-size:28px;box-shadow:0 6px 16px rgba(0,0,0,.2);cursor:pointer;z-index:11}

.period{display:grid;grid-template-columns:1fr 1fr 64px 40px;gap:6px;align-items:end;margin-bottom:6px}
.period input,.period select{padding-left:8px;padding-right:4px}
.period .btn{padding:11px 0}
.period>*{min-width:0}
.period input[type=date]{font-size:13px}
.sheet-inner{overflow-x:hidden}
.period{grid-template-columns:minmax(0,1fr) minmax(0,1fr) 58px 38px}
.pdfview{width:100%;max-height:70dvh;overflow:auto;border:1px solid var(--line);border-radius:10px;background:#fff;margin-top:10px}
.pdfview canvas{display:block;border-bottom:1px solid #ddd}
.sheet-actions a.btn{text-decoration:none}
.sheet-actions a.btn{color:inherit}
.actions{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-top:10px}
.actions .btn{padding:8px 4px;font-size:13px;white-space:nowrap}