:root{--bg:#f5f7fb;--card:#fff;--text:#172033;--muted:#65748b;--line:#dde5f0;--blue:#2563eb;--blue2:#1d4ed8;--soft:#eaf1ff;--danger:#dc2626;--good:#15803d;--warn:#b45309;--shadow:0 18px 45px rgba(25,38,68,.10);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}button,input,select,textarea{font:inherit}.hidden{display:none!important}.auth-shell{min-height:100vh;display:grid;place-items:center;padding:20px}.auth-card{width:min(430px,100%);background:var(--card);border:1px solid var(--line);border-radius:26px;padding:28px;box-shadow:var(--shadow)}.brand-mark{width:54px;height:54px;border-radius:17px;background:linear-gradient(135deg,var(--blue),#60a5fa);color:#fff;display:grid;place-items:center;font-weight:800;font-size:28px}.brand-mark.small{width:38px;height:38px;border-radius:12px;font-size:20px}.auth-card h1{margin:18px 0 4px}.auth-card p{color:var(--muted);margin-top:0}.tabs{display:flex;background:#eef3fb;border-radius:14px;padding:4px;margin:18px 0}.tab{flex:1;border:0;background:transparent;border-radius:11px;padding:10px;color:var(--muted)}.tab.active{background:#fff;color:var(--text);box-shadow:0 5px 18px rgba(20,30,55,.08)}label{display:block;font-weight:650;margin:12px 0 6px}input,select,textarea{width:100%;border:1px solid var(--line);border-radius:13px;padding:12px 13px;background:#fff;color:var(--text);outline:none}input:focus,select:focus,textarea:focus{border-color:#93b4ff;box-shadow:0 0 0 4px rgba(37,99,235,.12)}.primary,.secondary,.logout,.menu-btn{border:0;border-radius:13px;padding:12px 15px;font-weight:750;cursor:pointer}.primary{background:var(--blue);color:#fff}.primary:hover{background:var(--blue2)}.secondary{background:#eef3fb;color:#1f3768}.logout{background:#fff;color:#475569;border:1px solid var(--line);width:100%}.msg{margin-top:12px;color:var(--danger);font-weight:700}.app-shell{min-height:100vh;display:flex}.sidebar{width:250px;background:#fff;border-right:1px solid var(--line);padding:18px;display:flex;flex-direction:column;gap:18px;position:sticky;top:0;height:100vh}.side-brand{display:flex;align-items:center;gap:12px;font-weight:850;font-size:22px}.sidebar nav{display:grid;gap:8px}.nav-btn{text-align:left;border:0;background:transparent;border-radius:14px;padding:13px 14px;color:#475569;font-weight:750}.nav-btn.active,.nav-btn:hover{background:var(--soft);color:#123c91}.main{flex:1;min-width:0}.topbar{height:82px;background:rgba(245,247,251,.92);backdrop-filter:blur(12px);display:flex;align-items:center;gap:14px;padding:0 24px;position:sticky;top:0;z-index:5;border-bottom:1px solid rgba(221,229,240,.8)}.topbar h1{margin:0;font-size:28px}.topbar p{margin:3px 0 0;color:var(--muted)}.menu-btn{display:none;background:#fff;border:1px solid var(--line)}.page{display:none;padding:24px}.page.active{display:block}.toolbar{display:flex;gap:10px;align-items:center;margin-bottom:18px}.toolbar input{max-width:190px}.period-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:20px;box-shadow:0 10px 30px rgba(25,38,68,.06)}.period-card{display:flex;flex-direction:column;gap:14px}.period-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.period-head h2{margin:0}.money-big{font-size:26px;font-weight:900}.muted{color:var(--muted)}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.stat{background:#f8fafc;border:1px solid var(--line);border-radius:16px;padding:12px}.stat b{display:block;font-size:18px}.leftover.good{color:var(--good)}.leftover.bad{color:var(--danger)}.bill-row{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center;border-top:1px solid var(--line);padding:12px 0}.bill-row:first-child{border-top:0}.bill-title{font-weight:800}.pill{display:inline-block;background:#eef3fb;color:#334d7c;border-radius:999px;padding:3px 9px;font-size:12px;font-weight:750}.amount{font-weight:850}.two-col{display:grid;grid-template-columns:390px 1fr;gap:18px}.form-card h2,.card h2{margin-top:0}.check{display:flex;align-items:center;gap:10px}.check input{width:auto}.button-row{display:flex;gap:10px;flex-wrap:wrap}.bill-list .item{border:1px solid var(--line);border-radius:16px;padding:14px;margin-bottom:10px;background:#fbfdff}.item-top{display:flex;justify-content:space-between;gap:12px}.item-actions{display:flex;gap:8px;margin-top:12px}.item-actions button{padding:8px 10px;border-radius:10px;border:1px solid var(--line);background:#fff;font-weight:750}.item-actions .delete{color:var(--danger)}.narrow{max-width:470px}.income-edit{display:flex;gap:8px;align-items:center}.income-edit input{max-width:130px;padding:9px 10px}.income-edit button{padding:9px 11px}@media(max-width:1000px){.period-grid{grid-template-columns:1fr}.two-col{grid-template-columns:1fr}.sidebar{width:220px}.stats{grid-template-columns:1fr 1fr 1fr}}@media(max-width:760px){.app-shell{display:block}.sidebar{position:fixed;left:-270px;top:0;z-index:20;transition:left .2s;box-shadow:var(--shadow)}.sidebar.open{left:0}.menu-btn{display:block}.topbar{height:74px;padding:0 14px}.topbar h1{font-size:23px}.page{padding:14px}.toolbar{display:grid;grid-template-columns:1fr 1fr;align-items:stretch}.toolbar input{grid-column:1/3;max-width:none}.period-head{display:block}.stats{grid-template-columns:1fr}.bill-row{grid-template-columns:auto 1fr}.bill-row .amount{grid-column:2}.auth-card{padding:22px;border-radius:22px}}@media(max-width:430px){.income-edit{display:grid;grid-template-columns:1fr auto}.income-edit input{max-width:none}.card{padding:16px;border-radius:20px}.money-big{font-size:23px}}
.safe-card{border-radius:18px;padding:15px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px}.safe-card span{font-weight:800;color:#475569}.safe-card b{font-size:28px}.good-bg{background:#ecfdf3;border:1px solid #bbf7d0}.bad-bg{background:#fff1f2;border:1px solid #fecdd3}.bad-bg b{color:var(--danger)}.good-bg b{color:var(--good)}.stats.five{grid-template-columns:repeat(5,1fr)}.carry-edit{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:end;background:#f8fafc;border:1px solid var(--line);border-radius:16px;padding:12px}.carry-edit label{margin:0}.section-title{font-size:15px;margin:16px 0 4px;color:#334155}.progress{height:10px;background:#e2e8f0;border-radius:999px;overflow:hidden;margin:12px 0}.progress span{display:block;height:100%;background:var(--blue);border-radius:999px}@media(max-width:1000px){.stats.five{grid-template-columns:repeat(2,1fr)}}@media(max-width:760px){.stats.five{grid-template-columns:1fr}.carry-edit{grid-template-columns:1fr}.safe-card{display:block}.safe-card b{display:block;margin-top:4px}}