:root{--bg:#f3f4f7;--card:#fff;--ink:#1b2540;--muted:#6b7280;--line:#e5e7eb;--accent:#f59e0b;--accent-ink:#1b2540;
--ok:#15803d;--ok-bg:#dcfce7;--bad:#b91c1c;--bad-bg:#fee2e2;--radius:14px}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.4 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}
a{color:inherit}
.top{position:sticky;top:0;z-index:5;background:var(--ink);color:#fff;padding:10px 16px;display:flex;align-items:center;gap:10px}
.top img{width:34px;height:34px}
.top .brand{font-weight:700;font-size:17px;line-height:1.1}
.top .brand small{display:block;font-weight:400;opacity:.7;font-size:13px}
.top form{margin-left:auto}
.top button{background:none;border:1px solid rgba(255,255,255,.3);color:#fff;border-radius:10px;padding:6px 10px;font-size:13px}
main{max-width:560px;margin:0 auto;padding:16px 16px 96px}
h1{font-size:22px;margin:4px 0 14px}
h2{font-size:18px;margin:22px 0 10px}
.card{background:var(--card);border-radius:var(--radius);padding:16px;box-shadow:0 1px 2px rgba(0,0,0,.05);margin-bottom:12px}
.carbar{display:flex;align-items:center;gap:8px;background:#fff7e6;border:1px solid #fde3a7;border-radius:var(--radius);padding:10px 12px;margin-bottom:14px}
.carbar b{flex:1}
.carbar select{max-width:55%}
label{display:block;font-size:14px;color:var(--muted);margin:12px 0 4px}
input,select{width:100%;font-size:17px;padding:12px;border:1px solid #d1d5db;border-radius:10px;background:#fff;color:var(--ink)}
input:focus,select:focus{outline:2px solid var(--accent);border-color:var(--accent)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.btn{display:block;width:100%;margin-top:18px;padding:15px;font-size:18px;font-weight:700;border:0;border-radius:12px;
background:var(--accent);color:var(--accent-ink);text-align:center;text-decoration:none}
.btn.dark{background:var(--ink);color:#fff}
.btn.ghost{background:#fff;border:1px solid #d1d5db;color:var(--ink);font-weight:600}
.btn:disabled{opacity:.6}
.error{background:var(--bad-bg);color:var(--bad);padding:12px;border-radius:10px;margin-bottom:12px}
.flash{background:var(--ok-bg);color:var(--ok);padding:12px;border-radius:10px;margin-bottom:12px;font-weight:600}
.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 14px}
.kv dt{color:var(--muted)}
.kv dd{margin:0;font-weight:600;text-align:right}
.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:13px;font-weight:700;background:#fff7e6;color:#b45309}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:12px}
.stat{background:var(--card);border-radius:12px;padding:12px;text-align:center}
.stat b{display:block;font-size:18px;white-space:nowrap}
.stat span{font-size:12px;color:var(--muted)}
.stat.main{grid-column:1/-1;background:var(--ink);color:#fff}
.stat.main b{font-size:28px;color:var(--accent)}
.stat.main span{color:rgba(255,255,255,.7)}
.list .item{display:flex;justify-content:space-between;gap:10px;padding:12px 0;border-bottom:1px solid var(--line)}
.list .item:last-child{border-bottom:0}
.item .sub{font-size:13px;color:var(--muted)}
.item .sum{font-weight:700;white-space:nowrap;text-align:right}
.month{display:flex;justify-content:space-between;align-items:center;text-decoration:none;padding:14px 16px;border-radius:12px;margin-bottom:8px;border:1px solid}
.month.paid{background:var(--ok-bg);border-color:#86efac;color:var(--ok)}
.month.unpaid{background:var(--bad-bg);border-color:#fca5a5;color:var(--bad)}
.month b{font-size:18px}
.empty{color:var(--muted);text-align:center;padding:24px 0}
.photos{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:8px}
.photos .ph{position:relative;aspect-ratio:1;border-radius:10px;overflow:hidden;background:#e5e7eb}
.photos img{width:100%;height:100%;object-fit:cover}
.photos .ph button{position:absolute;top:4px;right:4px;width:28px;height:28px;border-radius:50%;border:0;background:rgba(0,0,0,.6);color:#fff;font-size:16px;line-height:1}
.addphoto{display:flex;align-items:center;justify-content:center;flex-direction:column;aspect-ratio:1;border:2px dashed #cbd5e1;border-radius:10px;color:var(--muted);font-size:13px;cursor:pointer;background:#fff}
.addphoto span{font-size:30px;line-height:1}
.addphoto input{display:none}
nav.tabs{position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--line);display:flex;padding-bottom:env(safe-area-inset-bottom);z-index:5}
nav.tabs a{flex:1;text-align:center;padding:10px 0 12px;text-decoration:none;color:var(--muted);font-size:13px}
nav.tabs a i{display:block;font-style:normal;font-size:22px}
nav.tabs a.on{color:var(--ink);font-weight:700}
.login{max-width:380px;margin:8vh auto 0;text-align:center}
.login img{width:84px;height:84px}
.login h1{margin:12px 0 2px}
.login p{color:var(--muted);margin:0 0 18px}
.login form{text-align:left}
.pin{letter-spacing:.6em;text-align:center;font-size:24px}
.gallery img{width:100%;border-radius:10px;margin-bottom:12px;display:block}
.muted{color:var(--muted);font-size:14px}