:root{
  --primary:#175CD3;
  --primary-dark:#1849A9;
  --success:#067647;
  --danger:#B42318;
  --warning:#B54708;
  --ink:#101828;
  --muted:#667085;
  --line:#EAECF0;
  --surface:#FFFFFF;
  --bg:#F6F8FC;
  --radius:18px;
  --shadow:0 8px 30px rgba(16,24,40,.08);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;background:var(--bg)}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.45}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.app-shell{min-height:100vh;max-width:760px;margin:0 auto;background:var(--bg)}
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px);padding-top:max(12px,env(safe-area-inset-top))}
.topbar-brand{display:flex;align-items:center;gap:10px}
.topbar-brand>span:last-child{display:flex;flex-direction:column;line-height:1.15}
.topbar-brand small{color:var(--muted);font-size:11px;margin-top:3px}
.mini-logo,.brand-mark{display:grid;place-items:center;background:linear-gradient(145deg,var(--primary),#53B1FD);color:white;font-weight:800;box-shadow:0 8px 18px rgba(23,92,211,.22)}
.mini-logo{width:38px;height:38px;border-radius:12px;font-size:13px}
.brand-mark{width:62px;height:62px;border-radius:20px;font-size:20px;margin:0 auto 18px}
.icon-button{width:40px;height:40px;display:grid;place-items:center;border:1px solid var(--line);border-radius:13px;background:white}
.app-main{padding:18px 14px 104px}
.bottom-nav{position:fixed;z-index:30;left:50%;bottom:0;transform:translateX(-50%);width:min(760px,100%);display:grid;grid-template-columns:repeat(5,1fr);background:rgba(255,255,255,.98);border-top:1px solid var(--line);padding:7px 6px max(7px,env(safe-area-inset-bottom));box-shadow:0 -8px 30px rgba(16,24,40,.08)}
.nav-item{display:flex;min-width:0;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:#667085;padding:6px 2px;border-radius:12px}
.nav-item span{font-size:21px;line-height:1}.nav-item small{font-size:10px;white-space:nowrap}.nav-item.is-active{color:var(--primary);background:#EFF4FF;font-weight:700}
.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:16px}.page-head h1{margin:0;font-size:24px;letter-spacing:-.02em}.page-head p{margin:4px 0 0;color:var(--muted);font-size:13px}
.section-title{font-size:17px;margin:24px 0 10px}.section-title:first-child{margin-top:0}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 2px 10px rgba(16,24,40,.03);padding:16px;margin-bottom:12px}
.card-compact{padding:13px}
.summary-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:12px}
.summary-card{background:white;border:1px solid var(--line);border-radius:17px;padding:14px;min-width:0}.summary-card small{display:block;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.04em;margin-bottom:7px}.summary-card strong{display:block;font-size:20px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.summary-card.income strong{color:var(--success)}.summary-card.expense strong{color:var(--danger)}.summary-card.balance{grid-column:1/-1;background:linear-gradient(140deg,#175CD3,#2E90FA);color:white;border:0}.summary-card.balance small{color:#D1E9FF}.summary-card.balance strong{font-size:28px}.summary-card.balance.negative{background:linear-gradient(140deg,#B42318,#F04438)}
.delta{display:inline-flex;align-items:center;border-radius:999px;padding:4px 8px;font-size:11px;margin-top:8px;background:#F2F4F7;color:#344054}.delta.up{background:#FEF3F2;color:#B42318}.delta.down{background:#ECFDF3;color:#067647}
.quick-actions{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.quick-action{display:flex;align-items:center;gap:10px;background:white;border:1px solid var(--line);border-radius:16px;padding:13px;font-weight:700}.quick-action span{display:grid;place-items:center;width:35px;height:35px;border-radius:11px;background:#EFF4FF;color:var(--primary);font-size:19px}
.filter-card{padding:12px}.filter-row{display:grid;grid-template-columns:1fr 1fr;gap:9px}.filter-row .span-2{grid-column:1/-1}
label{display:block;color:#344054;font-weight:600;font-size:13px}input,select,textarea{width:100%;margin-top:6px;border:1px solid #D0D5DD;border-radius:13px;background:white;color:var(--ink);padding:12px 13px;outline:none;min-height:46px}textarea{min-height:92px;resize:vertical}input:focus,select:focus,textarea:focus{border-color:#84ADFF;box-shadow:0 0 0 4px #EFF4FF}input[type=color]{padding:6px;height:46px}
.stack-form{display:grid;gap:13px}.form-grid{display:grid;gap:13px}.field-help{display:block;color:var(--muted);font-size:11px;font-weight:400;margin-top:5px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:0;border-radius:13px;padding:12px 15px;font-weight:750;min-height:44px}.btn-primary{background:var(--primary);color:white}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{background:#EFF4FF;color:var(--primary)}.btn-danger{background:#FEF3F2;color:var(--danger)}.btn-neutral{background:#F2F4F7;color:#344054}.btn-block{width:100%}.btn-sm{padding:8px 10px;min-height:34px;font-size:12px}
.button-row{display:flex;gap:8px;flex-wrap:wrap}.button-row>*{flex:1}
.alert{border-radius:14px;padding:12px 14px;margin-bottom:13px;transition:opacity .25s}.alert-success{background:#ECFDF3;color:#067647;border:1px solid #ABEFC6}.alert-error{background:#FEF3F2;color:#B42318;border:1px solid #FECDCA}.alert-warning{background:#FFFAEB;color:#B54708;border:1px solid #FEDF89}
.list{display:grid;gap:9px}.list-item{background:white;border:1px solid var(--line);border-radius:16px;padding:13px;display:flex;align-items:center;gap:11px}.list-icon{width:39px;height:39px;border-radius:12px;display:grid;place-items:center;flex:0 0 auto;background:#F2F4F7}.list-content{min-width:0;flex:1}.list-content strong{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.list-content small{color:var(--muted);font-size:11px}.list-value{text-align:right;white-space:nowrap}.list-value strong{display:block}.value-income{color:var(--success)}.value-expense{color:var(--danger)}
.badge{display:inline-flex;align-items:center;border-radius:999px;padding:4px 8px;font-size:10px;font-weight:750;background:#F2F4F7;color:#475467}.badge-success{background:#ECFDF3;color:#067647}.badge-danger{background:#FEF3F2;color:#B42318}.badge-warning{background:#FFFAEB;color:#B54708}.badge-primary{background:#EFF4FF;color:#175CD3}
.progress-list{display:grid;gap:13px}.progress-head{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:12px;margin-bottom:6px}.progress-track{height:9px;background:#F2F4F7;border-radius:99px;overflow:hidden}.progress-bar{height:100%;border-radius:99px;background:var(--primary);min-width:2px}
.empty-state{text-align:center;padding:26px 18px;color:var(--muted)}.empty-state strong{display:block;color:var(--ink);font-size:16px;margin-bottom:5px}
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.detail-box{background:#F9FAFB;border-radius:13px;padding:11px}.detail-box small{display:block;color:var(--muted);font-size:10px;margin-bottom:4px}.detail-box strong{font-size:13px}
.debt-card{background:white;border:1px solid var(--line);border-radius:17px;padding:14px;margin-bottom:10px}.debt-top{display:flex;justify-content:space-between;gap:10px}.debt-top h3{font-size:15px;margin:0 0 2px}.debt-top p{font-size:11px;color:var(--muted);margin:0}.debt-amount{text-align:right}.debt-amount strong{display:block;font-size:17px}.debt-actions{display:flex;gap:8px;margin-top:12px}.debt-actions>*{flex:1}
.admin-links{display:grid;grid-template-columns:1fr 1fr;gap:10px}.admin-link{background:white;border:1px solid var(--line);border-radius:17px;padding:15px}.admin-link span{font-size:23px}.admin-link strong{display:block;margin-top:8px}.admin-link small{display:block;color:var(--muted);margin-top:3px}
.table-scroll{overflow-x:auto}.data-table{width:100%;border-collapse:collapse;min-width:560px}.data-table th,.data-table td{text-align:left;padding:11px 8px;border-bottom:1px solid var(--line);font-size:12px}.data-table th{color:var(--muted)}
.auth-body{min-height:100vh;background:linear-gradient(160deg,#EFF4FF,#F9FAFB 45%,#E0F2FE);padding:20px;display:grid;place-items:center}.auth-shell{width:100%;max-width:430px}.auth-card{background:rgba(255,255,255,.97);border:1px solid rgba(255,255,255,.8);box-shadow:var(--shadow);border-radius:25px;padding:25px 20px}.auth-card h1{text-align:center;margin:0;font-size:25px}.auth-card>p{text-align:center;color:var(--muted);margin:7px 0 20px}.auth-help{font-size:11px!important;margin:17px 0 0!important}
.month-switcher{display:grid;grid-template-columns:42px 1fr 42px;gap:8px;align-items:center}.month-switcher a{height:42px;border:1px solid var(--line);border-radius:12px;display:grid;place-items:center;background:white}.month-switcher strong{text-align:center;font-size:14px}
.inline-note{background:#F9FAFB;border:1px solid var(--line);border-radius:13px;padding:11px;font-size:12px;color:#475467}.adjustment-box{background:#EFF4FF;color:#1849A9;border-radius:13px;padding:11px;font-weight:700;text-align:center}
.muted{color:var(--muted)}.text-danger{color:var(--danger)}.text-success{color:var(--success)}.text-center{text-align:center}.mb-0{margin-bottom:0}.mt-0{margin-top:0}
@media(min-width:620px){.app-main{padding-left:22px;padding-right:22px}.summary-grid{grid-template-columns:repeat(4,1fr)}.summary-card.balance{grid-column:span 2}.form-grid{grid-template-columns:1fr 1fr}.form-grid .full{grid-column:1/-1}.quick-actions{grid-template-columns:repeat(4,1fr)}}