:root {
  --bg: #f4f6f8; --surface: #ffffff; --ink: #1a2130; --muted: #6b7686;
  --accent: #1cc29f; --accent-ink: #ffffff; --accent-soft: #e4f9f4;
  --brand2: #6c5ce7; --line: #e7eaee;
  --pos: #1cc29f; --neg: #ef5a6f; --pos-soft: #e4f9f4; --neg-soft: #fdeaed;
  --radius: 16px; --radius-sm: 10px;
  --shadow: 0 1px 2px rgba(20,20,43,.04), 0 6px 20px rgba(20,20,43,.06);
  --nav-h: 64px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg:#11141a; --surface:#1a1f28; --ink:#eef1f5; --muted:#98a2b3; --line:#2a3040;
    --accent-soft:#0f2b26; --pos-soft:#0f2b26; --neg-soft:#331821; --shadow:none;
  }
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
body { margin:0; font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background:var(--bg); color:var(--ink); line-height:1.5; }
a { color:var(--accent); }
.wrap { max-width: 880px; margin: 0 auto; padding: 16px; }
header.topbar { position: sticky; top:0; z-index:10; background:var(--surface); border-bottom:1px solid var(--line); }
.topbar .wrap { display:flex; align-items:center; gap:12px; padding:12px 16px; }
.brand { display:flex; align-items:center; gap:10px; font-weight:800; color:var(--accent); font-size:1.2rem; letter-spacing:-.02em; }
.brand-mark { display:block; border-radius:7px; flex:none; }
.brand span { color:var(--ink); }

nav.tabs { display:flex; gap:4px; margin-left:auto; flex-wrap:wrap; }
nav.tabs button { background:transparent; border:0; color:var(--muted); padding:9px 14px; border-radius:999px; font-size:.92rem; font-weight:600; cursor:pointer; }
nav.tabs button[aria-current="true"] { background:var(--accent); color:var(--accent-ink); }

/* ---- mobile bottom nav (app-like, Splitwise-style) ---- */
nav.bottomnav { display:none; }
@media (max-width: 680px) {
  header.topbar nav.tabs { display:none; }
  body { padding-bottom: calc(var(--nav-h) + env(safe-area-inset-bottom)); }
  nav.bottomnav {
    display:flex; position:fixed; left:0; right:0; bottom:0; z-index:20;
    background:var(--surface); border-top:1px solid var(--line);
    padding-bottom: env(safe-area-inset-bottom);
  }
  nav.bottomnav button {
    flex:1; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:2px;
    background:transparent; border:0; color:var(--muted); font-size:.68rem; font-weight:600;
    padding:8px 2px; min-height:var(--nav-h); cursor:pointer;
  }
  nav.bottomnav button .icon { font-size:1.3rem; line-height:1; }
  nav.bottomnav button[aria-current="true"] { color:var(--accent); }
}

.card { background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); box-shadow:var(--shadow); padding:18px; margin:12px 0; }
.grid { display:grid; gap:14px; }
@media (min-width:720px){ .grid.cols-3{grid-template-columns:repeat(3,1fr);} .grid.cols-2{grid-template-columns:repeat(2,1fr);} }
h1{font-size:1.5rem;margin:.2em 0;letter-spacing:-.01em;} h2{font-size:1.1rem;margin:.2em 0;} h3{font-size:1rem;margin:.4em 0;}
.muted{color:var(--muted);} .small{font-size:.85rem;}
label{display:block;font-size:.85rem;color:var(--muted);margin:10px 0 4px;font-weight:600;}
input,select,button,textarea{font:inherit;}
input,select,textarea{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);color:var(--ink);min-height:44px;}
input:focus,select:focus,button:focus-visible,textarea:focus{outline:2px solid var(--accent);outline-offset:1px;}
input.invalid,select.invalid{outline:1px solid var(--neg);border-color:var(--neg);}
.field-error{color:var(--neg);font-size:.8rem;margin:4px 0 0;}

.btn{background:var(--accent);color:var(--accent-ink);border:0;padding:11px 18px;border-radius:999px;font-weight:700;cursor:pointer;min-height:44px;}
.btn:hover{filter:brightness(1.05);}
.btn:active{filter:brightness(.95);}
.btn.secondary{background:var(--accent-soft);color:var(--accent);border:0;}
.btn.ghost{background:transparent;color:var(--muted);border:1px solid var(--line);}
.btn:disabled{opacity:.5;cursor:not-allowed;}
.btn.small{padding:7px 14px;min-height:36px;font-size:.85rem;}

.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;}
.stat{font-size:1.8rem;font-weight:800;letter-spacing:-.02em;}
.pos{color:var(--pos);} .neg{color:var(--neg);}
.list{list-style:none;margin:0;padding:0;}
.list li{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:12px 0;border-bottom:1px solid var(--line);}
.list li:last-child{border-bottom:0;}
.pill{display:inline-block;font-size:.72rem;padding:3px 10px;border-radius:999px;background:var(--bg);border:1px solid var(--line);color:var(--muted);font-weight:600;}
.pill.pos{background:var(--pos-soft);border-color:transparent;}
.pill.neg{background:var(--neg-soft);border-color:transparent;}
.bar{height:8px;border-radius:999px;background:var(--bg);overflow:hidden;}
.bar > i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--brand2));}
.msg{padding:12px 14px;border-radius:var(--radius-sm);margin:10px 0;font-size:.9rem;font-weight:600;}
.msg.err{background:var(--neg-soft);color:#b53350;}
.msg.ok{background:var(--pos-soft);color:#0f7d68;}
.hidden{display:none;}
.center{min-height:70vh;display:flex;align-items:center;justify-content:center;}
.authcard{width:100%;max-width:400px;}
/* name takes what's left; the value input keeps a comfortable, readable width */
.split-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(120px,150px);gap:10px;align-items:center;margin:6px 0;}
.split-row .name-row{min-width:0;}
.split-row .name-row > span:last-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.badge{font-size:1.4rem;}
table.mini{width:100%;border-collapse:collapse;} table.mini td{padding:6px 4px;border-bottom:1px solid var(--line);}

/* ---- avatar circle (initials, deterministic color) ---- */
.avatar{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:50%;color:#fff;font-size:.78rem;font-weight:700;flex:none;}
.name-row{display:flex;align-items:center;gap:10px;}

/* ---- compact phone input: fixed-width country code + national number ---- */
.phone-row{display:flex;gap:8px;align-items:stretch;}
.phone-row select{flex:0 0 92px;width:92px;padding-left:8px;padding-right:4px;text-align:center;}
.phone-row input{flex:1;min-width:0;}

@media (max-width: 480px) {
  .wrap{padding:12px;}
  .card{padding:16px;border-radius:12px;}
  h1{font-size:1.3rem;}
  .stat{font-size:1.5rem;}
}

/* ---- consistent checkboxes ---- */
input[type="checkbox"]{
  width:22px;height:22px;min-height:22px;flex:none;margin:0;padding:0;
  accent-color:var(--accent);cursor:pointer;
}

/* ---- page header with actions ---- */
.page-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:6px 0 4px;}
.page-head h1{margin:0;}
.back-row{display:flex;align-items:center;gap:10px;margin:2px 0 10px;}
.iconbtn{display:inline-flex;align-items:center;gap:6px;background:var(--surface);border:1px solid var(--line);color:var(--ink);border-radius:999px;padding:8px 14px;font-weight:600;font-size:.9rem;cursor:pointer;min-height:40px;}
.iconbtn:hover{background:var(--bg);}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:6px;}
.card-head h2{margin:0;}
.linkadd{background:none;border:0;color:var(--accent);font-weight:700;cursor:pointer;font-size:.9rem;padding:6px 8px;min-height:auto;width:auto;border-radius:8px;}
.linkadd:hover{background:var(--accent-soft);}

/* ---- expense / balance rows ---- */
.trow{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);}
.trow:last-child{border-bottom:0;}
.trow .ico{width:38px;height:38px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.15rem;background:var(--bg);flex:none;}
.trow .body{flex:1;min-width:0;}
.trow .t1{font-weight:700;font-size:.95rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.trow .t2{font-size:.78rem;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.trow .amt{font-weight:800;font-size:.98rem;white-space:nowrap;text-align:right;}
.trow .amt .sub{display:block;font-size:.7rem;font-weight:600;color:var(--muted);}

/* tappable list row (dashboard "Settle up") */
.trow-tap{cursor:pointer;border-radius:10px;margin:0 -8px;padding-left:8px;padding-right:8px;}
/* the same row rendered as a real <button> (person filter) needs the UA styles reset */
button.trow-tap{width:100%;font:inherit;color:inherit;background:none;border:0;text-align:left;}
.trow-tap:hover{background:var(--bg);}
.trow-chev{color:var(--muted);font-size:1.2rem;flex:none;}
.settle-ctx{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:14px;margin:10px 0;}

/* ---- section heading ---- */
.section-h{font-size:1rem;margin:18px 4px 6px;color:var(--muted);}
.section-h-row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:18px 4px 6px;}
.btn.small{padding:8px 14px;min-height:38px;font-size:.88rem;}
.rowbtn{background:none;border:0;color:var(--muted);cursor:pointer;font-size:.95rem;width:32px;height:32px;min-height:32px;border-radius:8px;flex:none;}
.rowbtn:hover{background:var(--bg);color:var(--ink);}
.pill.warn{background:#fff4e0;border-color:transparent;color:#a15c00;}
.archived-banner{background:var(--bg);border:1px dashed var(--line);border-radius:12px;padding:10px 14px;margin:8px 0;font-size:.85rem;color:var(--muted);}

/* ---- group grid + cards ---- */
.group-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:12px 0;}
@media (max-width:520px){ .group-grid{grid-template-columns:1fr;} }
.group-card{display:flex;align-items:center;gap:12px;text-align:left;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:16px;box-shadow:var(--shadow);cursor:pointer;}
.group-card:hover{border-color:var(--accent);}
.group-card.archived{opacity:.7;}
.group-card-ico{width:44px;height:44px;border-radius:12px;background:var(--bg);display:flex;align-items:center;justify-content:center;font-size:1.4rem;flex:none;}
.group-card-body{flex:1;min-width:0;}
.group-card-name{font-weight:700;font-size:1rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.group-card-sub{font-size:.78rem;color:var(--muted);}
.group-card-net{text-align:right;}
.group-card-net .amt{font-weight:800;font-size:.95rem;}
.group-card-net-label{font-size:.68rem;color:var(--muted);}

/* ---- icon/type picker ---- */
.icon-picker{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;}
.icon-chip{display:flex;flex-direction:column;align-items:center;gap:3px;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:10px 4px;cursor:pointer;}
.icon-chip .ic{font-size:1.3rem;line-height:1;}
.icon-chip .lbl{font-size:.7rem;color:var(--muted);font-weight:600;}
.icon-chip[aria-pressed="true"]{background:var(--accent-soft);border-color:var(--accent);}
.icon-chip[aria-pressed="true"] .lbl{color:var(--accent);}

/* ---- popover menu ---- */
.popmenu{position:absolute;z-index:200;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:0 8px 30px rgba(0,0,0,.18);padding:6px;min-width:180px;}
.popmenu-item{display:block;width:100%;text-align:left;background:none;border:0;color:var(--ink);padding:10px 12px;border-radius:8px;font-size:.9rem;cursor:pointer;text-decoration:none;}
.popmenu-item:hover{background:var(--bg);}

/* ---- user menu in topbar ---- */
.usermenu{display:flex;align-items:center;gap:8px;background:none;border:0;cursor:pointer;padding:4px;border-radius:999px;}
.usermenu .uname{font-weight:600;font-size:.9rem;color:var(--ink);}
@media (max-width:680px){ .usermenu .uname{display:none;} }

/* ---- invites ---- */
.invite-banner{display:flex;align-items:center;gap:12px;background:var(--accent-soft);border:1px solid transparent;border-radius:14px;padding:12px 16px;margin:12px 0;cursor:pointer;}
.invite-banner .ib-ico{font-size:1.3rem;}
.invite-banner .ib-txt{flex:1;font-weight:600;font-size:.9rem;color:#0f7d68;}

/* ---- toggle switch ---- */
.switch{position:relative;display:inline-block;width:46px;height:26px;flex:none;}
.switch input{opacity:0;width:0;height:0;}
.switch .track{position:absolute;inset:0;background:var(--line);border-radius:999px;transition:.15s;}
.switch .track::before{content:"";position:absolute;left:3px;top:3px;width:20px;height:20px;background:#fff;border-radius:50%;transition:.15s;box-shadow:0 1px 2px rgba(0,0,0,.2);}
.switch input:checked + .track{background:var(--accent);}
.switch input:checked + .track::before{transform:translateX(20px);}
.setting-row{display:flex;align-items:center;justify-content:space-between;gap:12px;}

/* ---- collapsible ---- */
.collapse-toggle{display:flex;align-items:center;justify-content:space-between;width:100%;background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:11px 13px;cursor:pointer;font-weight:600;font-size:.9rem;color:var(--ink);margin-top:6px;}
.collapse-toggle .chev{transition:.15s;color:var(--muted);}
.collapse-toggle[aria-expanded="true"] .chev{transform:rotate(90deg);}
.scan-link{background:none;border:0;color:var(--accent);font-weight:600;font-size:.88rem;cursor:pointer;padding:6px 0;display:inline-flex;align-items:center;gap:6px;}

/* ---- dashboard hero ---- */
.dash-hero{border-radius:var(--radius);padding:20px;margin:12px 0;color:#fff;box-shadow:var(--shadow);
  background:linear-gradient(135deg,#17b898,#12a3ac 55%,#6c5ce7);}
.dash-hero.neg{background:linear-gradient(135deg,#ef5a6f,#e0417a 55%,#8b3ad6);}
.dash-hero-label{font-size:.85rem;opacity:.9;font-weight:600;}
.dash-hero-amt{font-size:2.3rem;font-weight:800;letter-spacing:-.02em;margin:2px 0 12px;}
.dash-hero-split{display:flex;gap:8px;flex-wrap:wrap;}
.chip{display:inline-block;font-size:.8rem;font-weight:700;padding:5px 11px;border-radius:999px;background:rgba(255,255,255,.18);color:#fff;}

/* ---- stat tiles ---- */
.tile-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:12px 0;}
.tile{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:12px 8px;text-align:center;box-shadow:var(--shadow);}
.tile-ico{font-size:1.2rem;line-height:1;}
.tile-val{font-size:1.15rem;font-weight:800;letter-spacing:-.02em;margin-top:4px;}
.tile-label{font-size:.68rem;color:var(--muted);font-weight:600;}
.tile-tap{width:100%;font:inherit;color:inherit;cursor:pointer;transition:border-color .15s,transform .1s;}
.tile-tap:hover{border-color:var(--accent);}
.tile-tap:active{transform:scale(.98);}
.tile-tap:hover .tile-label{color:var(--accent);}
@media (max-width:480px){ .tile-grid{grid-template-columns:repeat(2,1fr);} }

/* ---- badges ---- */
/* compact, tappable badge chips — one wrapped row instead of tall cards */
.badge-row{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 2px;}
.badge-chip{display:inline-flex;align-items:center;gap:6px;background:var(--surface);border:1px solid var(--line);
  border-radius:999px;padding:6px 12px;font-size:.8rem;font-weight:700;color:var(--ink);cursor:pointer;min-height:34px;}
.badge-chip:hover{border-color:var(--accent);color:var(--accent);}

/* ---- category rows (denser than a list) ---- */
.catrow{margin:12px 0;}
.catrow:first-of-type{margin-top:8px;}
.catrow-head{display:flex;justify-content:space-between;align-items:center;font-size:.9rem;margin-bottom:6px;}
.catrow-head strong{font-weight:700;}

/* ---- balance row (who owes whom) ---- */
.balrow{padding:12px 0;border-bottom:1px solid var(--line);}
.balrow:last-child{border-bottom:0;}
.balrow-top{display:flex;align-items:center;gap:12px;}
.balrow-text{flex:1;min-width:0;font-size:.95rem;line-height:1.35;}
.balrow-text strong{font-weight:700;}
.balrow .amt{font-weight:800;white-space:nowrap;}

/* ---- FAB ---- */
.fab{position:fixed;right:20px;bottom:calc(20px + env(safe-area-inset-bottom));z-index:30;display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#fff;border:0;border-radius:999px;padding:14px 20px;font-weight:700;font-size:1rem;cursor:pointer;box-shadow:0 6px 20px rgba(28,194,159,.4);}
.fab .plus{font-size:1.25rem;line-height:1;}
@media (max-width:680px){ .fab{bottom:calc(var(--nav-h) + 16px + env(safe-area-inset-bottom));} }

/* ---- modal / bottom sheet ---- */
.modal-backdrop{position:fixed;inset:0;background:rgba(15,17,23,.5);z-index:100;display:flex;align-items:center;justify-content:center;padding:20px;}
.modal{background:var(--surface);border-radius:20px;width:100%;max-width:460px;max-height:90vh;overflow:auto;box-shadow:0 20px 60px rgba(0,0,0,.3);padding:22px;}
.modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;}
.modal-head h2{margin:0;}
.modal-x{background:none;border:0;font-size:1.5rem;line-height:1;color:var(--muted);cursor:pointer;width:36px;height:36px;min-height:36px;border-radius:50%;}
.modal-x:hover{background:var(--bg);}
@media (max-width:560px){
  .modal-backdrop{align-items:flex-end;padding:0;}
  .modal{max-width:none;border-radius:22px 22px 0 0;max-height:92vh;padding-bottom:calc(22px + env(safe-area-inset-bottom));}
}

/* ---- segmented control (split method) ---- */
.seg{display:flex;gap:6px;flex-wrap:wrap;}
.seg button{flex:1;min-width:fit-content;background:var(--bg);border:1px solid var(--line);color:var(--muted);border-radius:10px;padding:9px 10px;font-size:.85rem;font-weight:600;cursor:pointer;min-height:40px;}
.seg button[aria-pressed="true"]{background:var(--accent-soft);border-color:var(--accent);color:var(--accent);}

/* ---- spending filters: period switch on one line, finer filters as pills ---- */
.spend-controls{display:flex;flex-direction:column;gap:10px;margin:12px 0 0;}
.spend-controls .seg{margin:0;}
.spend-filters{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
/* keep the native dropdown arrow (no appearance:none) — just soften the box */
.pill-select{width:auto;min-width:0;min-height:38px;padding:6px 10px;border-radius:999px;
  background:var(--bg);border:1px solid var(--line);font-size:.85rem;font-weight:600;color:var(--ink);}
.pill-select:hover{border-color:var(--accent);}
/* keep both dates and the "to" on one row so the separator never orphans */
.date-range{display:flex;align-items:center;gap:8px;flex:1 1 100%;}
.date-range .pill-select{flex:1 1 0;min-width:0;}
.filter-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;}
.filter-chips:empty{display:none;}
/* the other two totals, so the headline never repeats itself */
.stat-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px;}
.stat-chip{display:inline-flex;align-items:center;gap:6px;font-size:.78rem;font-weight:700;
  padding:5px 11px;border-radius:999px;background:var(--bg);border:1px solid var(--line);}
.stat-chip .k{color:var(--muted);font-weight:600;}
.trow-tap[aria-pressed="true"]{background:var(--accent-soft);}
.filter-chip{display:inline-flex;align-items:center;gap:8px;background:var(--accent-soft);border:1px solid var(--accent);
  color:var(--accent);border-radius:999px;padding:5px 12px;font-size:.78rem;font-weight:700;cursor:pointer;min-height:32px;}
.filter-chip .x{opacity:.7;}
.filter-chip:hover .x{opacity:1;}
/* category / month bars double as filters */
.catrow-tap{display:block;width:100%;text-align:left;background:none;border:0;padding:6px 8px;margin:6px -8px;
  border-radius:10px;cursor:pointer;color:inherit;font:inherit;}
.catrow-tap:hover{background:var(--bg);}
.catrow-tap[aria-pressed="true"]{background:var(--accent-soft);}
.catrow-tap[aria-pressed="true"] .catrow-head{color:var(--accent);}

/* ---- totals block (group + personal, per period) ---- */
.card > .seg{margin:10px 0 2px;}
.totals-head{margin:14px 0 2px;}
.totals-amt{font-size:1.7rem;font-weight:800;letter-spacing:-.02em;}
.rowbtn-spacer{display:inline-block;width:32px;height:32px;flex:none;}

/* ---- direct split: participant chips ---- */
.add-row{display:flex;gap:8px;align-items:stretch;}
.add-row input{flex:1;min-width:0;}
.add-row .btn{flex:none;white-space:nowrap;}
.people-chips{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 2px;}
.person-chip{display:inline-flex;align-items:center;gap:8px;background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:4px 10px 4px 4px;font-size:.85rem;font-weight:600;}
.person-chip .avatar{width:24px;height:24px;font-size:.68rem;}
.chip-x{background:none;border:0;color:var(--muted);cursor:pointer;font-size:.75rem;padding:0;width:20px;height:20px;min-height:20px;border-radius:50%;flex:none;}
.chip-x:hover{color:var(--neg);background:var(--surface);}

/* ---- dropzone ---- */
.dropzone{border:2px dashed var(--line);border-radius:14px;padding:22px;text-align:center;color:var(--muted);cursor:pointer;background:var(--bg);}
.dropzone:hover{border-color:var(--accent);color:var(--accent);}
.dropzone .dz-emoji{font-size:1.6rem;}

/* ---- toast host ---- */
.toasts{position:fixed;left:50%;bottom:calc(16px + env(safe-area-inset-bottom));transform:translateX(-50%);z-index:1000;width:min(92vw,420px);display:flex;flex-direction:column;gap:8px;pointer-events:none;}
.toasts .msg{margin:0;box-shadow:var(--shadow);pointer-events:auto;}

/* ============ AUTH EXPERIENCE ============ */
body.auth-mode > header.topbar,
body.auth-mode > main,
body.auth-mode > nav.bottomnav,
body.auth-mode > .wrap { display:none !important; }

.auth{position:fixed;inset:0;display:grid;grid-template-columns:1.05fr .95fr;background:var(--surface);z-index:5;overflow:auto;}

/* left hero */
.auth-hero{
  position:relative;overflow:hidden;color:#fff;
  background:
    radial-gradient(120% 90% at 15% 10%, rgba(255,255,255,.18), transparent 55%),
    linear-gradient(150deg, #17b898 0%, #12a3ac 42%, #6c5ce7 100%);
  display:flex;align-items:center;padding:56px;
}
.auth-hero::after{content:"";position:absolute;right:-120px;bottom:-120px;width:360px;height:360px;border-radius:50%;background:rgba(255,255,255,.10);}
.auth-hero-inner{position:relative;z-index:1;max-width:460px;margin:0 auto;width:100%;}
.hero-brand{color:#fff;font-size:1.45rem;margin-bottom:40px;}
.hero-brand span{color:rgba(255,255,255,.82);}
.hero-title{font-size:2.6rem;line-height:1.08;letter-spacing:-.02em;margin:0 0 16px;font-weight:800;}
.hero-sub{font-size:1.05rem;line-height:1.55;color:rgba(255,255,255,.9);margin:0 0 34px;max-width:400px;}
.hero-cards{display:flex;flex-direction:column;gap:12px;margin-bottom:32px;}
.hero-card{display:flex;align-items:center;gap:12px;background:rgba(255,255,255,.14);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.22);border-radius:14px;padding:12px 14px;}
.hero-card:nth-child(2){margin-left:26px;}
.hero-card:nth-child(3){margin-left:12px;}
.hero-card .avatar{width:34px;height:34px;box-shadow:0 0 0 2px rgba(255,255,255,.35);}
.hero-card-name{font-weight:700;font-size:.92rem;}
.hero-card-sub{font-size:.75rem;color:rgba(255,255,255,.78);}
.hero-card-amt{font-weight:800;font-size:.98rem;}
.hero-card-amt.pos{color:#c6ffe9;} .hero-card-amt.neg{color:#ffd7dd;}
.hero-trust{display:flex;align-items:center;gap:12px;}
.avatar-stack{display:flex;}
.avatar-stack .avatar{margin-left:-10px;box-shadow:0 0 0 2px #12a3ac;}
.avatar-stack .avatar:first-child{margin-left:0;}
.hero-trust-txt{font-size:.85rem;color:rgba(255,255,255,.85);}

/* right form panel */
.auth-panel{display:flex;align-items:center;justify-content:center;padding:40px 24px;background:var(--bg);}
.auth-form-wrap{width:100%;max-width:380px;}
.auth-form-brand{display:none;font-size:1.4rem;margin-bottom:24px;}
.auth-h{font-size:1.7rem;letter-spacing:-.01em;margin:0 0 6px;}
.auth-sub{margin:0 0 22px;}
.auth-formel label:first-child{margin-top:0;}
.btn-block{display:block;width:100%;}
.google-btn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;background:var(--surface);color:var(--ink);border:1px solid var(--line);font-weight:600;box-shadow:var(--shadow);}
.google-btn:hover{filter:none;background:var(--bg);}
.gbtn-host{margin-bottom:4px;}
.or-divider{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:.82rem;margin:18px 0;}
.or-divider::before,.or-divider::after{content:"";flex:1;height:1px;background:var(--line);}
.auth-switch{text-align:center;margin-top:20px;font-size:.9rem;}
.auth-forgot{text-align:center;margin:12px 0 0;font-size:.88rem;}
.linkbtn{background:none;border:0;color:var(--accent);font-weight:700;cursor:pointer;padding:0;min-height:auto;width:auto;}

@media (max-width: 860px){
  .auth{grid-template-columns:1fr;}
  .auth-hero{padding:36px 24px 30px;align-items:flex-start;}
  .hero-brand{margin-bottom:18px;}
  .hero-title{font-size:1.7rem;}
  .hero-sub{font-size:.95rem;margin-bottom:20px;}
  .hero-cards{display:none;}
  .hero-trust{display:none;}
  .auth-panel{padding:26px 20px 40px;border-radius:22px 22px 0 0;margin-top:-18px;position:relative;z-index:2;}
}
@media (max-width: 420px){
  .hero-title{font-size:1.5rem;}
}