:root {
  color-scheme: dark;
  --page: #111513;
  --surface: #181d1a;
  --surface-raised: #202722;
  --surface-soft: #252d27;
  --ink: #f0f3ed;
  --muted: #8b958c;
  --line: #303832;
  --line-strong: #465149;
  --accent: #b8ef79;
  --accent-hover: #c9f695;
  --accent-ink: #15200f;
  --good: #b8ef79;
  --warning: #e4bd70;
  --danger: #ef9181;
  --danger-soft: #352522;
  --participant-1: #b8ef79;
  --participant-2: #71d8bd;
  --participant-3: #e4bd70;
  --participant-4: #c0a5f4;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --display: "Arial Black", Impact, "Arial Narrow", sans-serif;
  --mono: "SF Mono", "Cascadia Code", "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  --radius: 8px;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { min-height: 100%; margin: 0; background: var(--page); color: var(--ink); }
html { scrollbar-color: var(--line-strong) var(--page); scrollbar-width: thin; }
body { overflow-x: hidden; font-family: var(--sans); -webkit-font-smoothing: antialiased; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
::selection { background: var(--accent); color: var(--accent-ink); }
input, textarea { caret-color: var(--accent); }
button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.app { width: 100%; min-height: 100svh; padding: max(8px, env(safe-area-inset-top)) 0 calc(28px + env(safe-area-inset-bottom)); background: var(--page); }
.app-content { width: min(100%, 1120px); margin: 0 auto; padding: 0 24px; }
.topbar { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 18px; border-bottom: 1px solid var(--line); animation: appear .35s ease both; }
.brand { display: inline-flex; align-items: center; gap: 10px; min-width: 0; }
.brand-mark { width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid var(--line-strong); border-radius: 6px; background: var(--surface); color: var(--accent); font: 650 11px/1 var(--mono); }
.brand-name { color: var(--ink); font-size: 15px; font-weight: 650; }
.profile { display: flex; align-items: center; gap: 11px; }
.hello { min-width: 0; text-align: right; }
.hello-small { display: block; margin-bottom: 3px; color: var(--muted); font-size: 10px; line-height: 1.2; }
.username { display: block; max-width: 185px; overflow: hidden; color: var(--ink); font-size: 13px; font-weight: 620; line-height: 1.25; text-overflow: ellipsis; white-space: nowrap; }
.avatar { width: 44px; height: 44px; display: grid; place-items: center; flex: none; border: 1px solid var(--line-strong); border-radius: 50%; background: var(--surface-raised); color: var(--accent); cursor: pointer; transition: border-color .16s ease, transform .16s ease; }
.avatar:hover { border-color: var(--accent); transform: translateY(-1px); }
.avatar.has-photo { background-position: center; background-size: cover; }
.avatar.has-photo .avatar-mark { visibility: hidden; }
.avatar-mark { font: 650 12px/1 var(--sans); }

.summary { display: grid; grid-template-columns: minmax(0, 1fr); gap: 10px; margin-top: 20px; animation: appear .45s .08s ease both; }
.sum-row { min-width: 0; min-height: 142px; display: grid; grid-template-columns: minmax(0, 1fr) auto; grid-template-rows: 27px minmax(0, 1fr); align-items: end; gap: 4px 12px; padding: 14px 18px 16px; border: 1px solid var(--line); border-radius: var(--radius); cursor: pointer; text-align: left; transition: transform .16s ease, border-color .16s ease, background .16s ease; }
.sum-row:hover { transform: translateY(-2px); border-color: var(--line-strong); }
.sum-row:active { transform: translateY(0); }
.sum-row.gave { background: #191f1b; }
.sum-row.took { background: #1d211e; }
.sum-topline { grid-column: 1 / -1; grid-row: 1; display: flex; align-items: center; justify-content: flex-end; }
.sum-add { width: 27px; height: 27px; display: grid; flex: none; place-items: center; border: 1px solid var(--line-strong); border-radius: 50%; background: transparent; color: var(--muted); font: 400 18px/1 var(--sans); transition: background .16s ease, color .16s ease, transform .16s ease; }
.sum-row:hover .sum-add { border-color: var(--accent); background: var(--accent); color: var(--accent-ink); transform: rotate(90deg); }
.sum-label { grid-column: 1; grid-row: 2; align-self: end; min-width: 0; color: var(--ink); font-family: var(--display); font-size: clamp(48px, 14vw, 76px); font-weight: 900; line-height: .82; letter-spacing: 0; }
.sum-row.took .sum-label { color: var(--accent); }
.sum-money { grid-column: 2; grid-row: 2; align-self: end; display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 4px 10px; padding-bottom: 2px; color: var(--ink); font: 350 20px/1 var(--mono); font-variant-numeric: tabular-nums lining-nums; white-space: nowrap; }
.money-unit { display: inline-flex; gap: 3px; white-space: nowrap; }
.currency { color: var(--muted); font-size: .76em; }

.feed { margin-top: 29px; }
.section { border-top: 1px solid var(--line); animation: appear .4s calc(var(--i) * .04s + .1s) ease both; }
.section:last-of-type { border-bottom: 1px solid var(--line); }
.section-head { width: 100%; min-height: 56px; display: grid; grid-template-columns: auto auto minmax(20px, 1fr) 30px; align-items: center; gap: 9px; border: 0; background: transparent; cursor: pointer; text-align: left; }
.section-title { color: var(--ink); font-size: 14px; font-weight: 640; }
.section-count { min-width: 23px; color: var(--muted); font: 10px/1 var(--mono); font-variant-numeric: tabular-nums; }
.section-rule { height: 1px; background: var(--line); }
.arrow { width: 28px; height: 28px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; background: var(--surface); color: var(--muted); font: 16px/1 var(--sans); transition: border-color .16s ease, color .16s ease, transform .2s ease; }
.section-head:hover .arrow { border-color: var(--accent); color: var(--accent); }
.section.is-open .arrow { transform: rotate(45deg); }
.section-body { display: grid; grid-template-rows: 0fr; overflow: hidden; transition: grid-template-rows .3s cubic-bezier(.2,.8,.2,1); }
.section.is-open .section-body { grid-template-rows: 1fr; }
.section-body-inner { min-height: 0; overflow: hidden; }
.cards { display: grid; gap: 9px; padding: 1px 0 15px; }

.card { min-width: 0; padding: 16px 17px 14px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); opacity: 0; transform: translateY(5px); transition: border-color .16s ease, transform .16s ease; }
.card:hover { border-color: var(--line-strong); }
.section.is-open .card, .card.is-entering { animation: card-appear .3s calc(var(--n) * .035s) ease both; }
.card.state-good { border-color: #3b5035; }
.card.state-warn { border-color: #50472e; }
.card.state-bad { border-color: #503731; }
.card-head { min-width: 0; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 14px; align-items: start; }
.card-identity { min-width: 0; }
.type-mark { display: inline-flex; align-items: center; gap: 6px; color: var(--accent); font: 600 9px/1.35 var(--mono); letter-spacing: .035em; text-transform: uppercase; }
.type-mark::before { width: 6px; height: 6px; border-radius: 50%; background: currentColor; content: ""; }
.card.state-warn .type-mark { color: var(--warning); }
.card.state-bad .type-mark { color: var(--danger); }
.person { margin-top: 6px; overflow: hidden; color: var(--ink); font-size: 19px; font-weight: 680; line-height: 1.2; text-overflow: ellipsis; }
.description { margin-top: 4px; overflow: hidden; color: var(--muted); font-size: 12px; line-height: 1.35; text-overflow: ellipsis; white-space: nowrap; }
.card-balance { min-width: 88px; display: grid; justify-items: end; gap: 5px; padding-top: 1px; text-align: right; }
.balance-caption, .meta, .progress-meta, .deadline, .dialog-kicker, .dialog-field > span, .dialog-error { font-family: var(--mono); font-variant-numeric: tabular-nums lining-nums; }
.balance-caption { color: var(--muted); font-size: 9px; line-height: 1.2; text-transform: uppercase; }
.amount { color: var(--ink); font: 400 17px/1.15 var(--mono); font-variant-numeric: tabular-nums lining-nums; white-space: nowrap; }
.meter { width: 100%; height: 7px; display: flex; gap: 2px; overflow: hidden; margin-top: 15px; border-radius: 99px; background: #2a302c; }
.meter-segment { min-width: 2px; height: 100%; overflow: hidden; background: #343b36; }
.meter-segment:first-child { border-radius: 99px 0 0 99px; }
.meter-segment:last-child { border-radius: 0 99px 99px 0; }
.meter-fill { width: var(--fill); height: 100%; background: var(--participant-color); }
.progress-meta { display: flex; justify-content: space-between; gap: 8px; margin-top: 7px; color: var(--muted); font-size: 9px; line-height: 1.35; }
.progress-meta span:last-child { text-align: right; }
.card-footer { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 12px; align-items: center; margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line); }
.deadline { min-width: 0; color: var(--muted); font-size: 9px; line-height: 1.4; }
.deadline.state-good { color: var(--good); }
.deadline.state-warn { color: var(--warning); }
.deadline.state-bad { color: var(--danger); }
.card-actions { display: grid; grid-template-columns: minmax(0, auto) auto; gap: 7px; align-items: center; }
.card-actions button { min-height: 36px; border: 1px solid var(--line-strong); border-radius: 5px; cursor: pointer; font: 550 10px/1.2 var(--sans); transition: background .16s ease, border-color .16s ease, color .16s ease; }
.action-primary { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 0 11px; border-color: var(--accent) !important; background: var(--accent); color: var(--accent-ink); }
.action-primary:hover { border-color: var(--accent-hover) !important; background: var(--accent-hover); }
.action-symbol { font: 18px/1 var(--sans); }
.action-quiet { padding: 0 10px; background: transparent; color: var(--muted); }
.action-quiet:hover { border-color: var(--line-strong); background: var(--surface-raised); color: var(--ink); }
.action-restore { padding: 0 10px; border-color: #455640 !important; background: #242e22; color: var(--accent); }
.action-restore:hover { background: #303d2c; }
.action-delete { padding: 0 10px; border-color: #503731 !important; background: var(--danger-soft); color: var(--danger); }
.action-delete:hover { background: #49302b; }
.archive .card { background: #151a17; }
.archive .card .amount, .archive .card .person { color: #a2aaa2; }
.empty-state { padding: 19px 15px; border: 1px dashed var(--line-strong); border-radius: var(--radius); background: var(--surface); color: var(--muted); font-size: 12px; line-height: 1.5; }
.cards.is-loading { min-height: 80px; position: relative; padding-top: 13px; }
.cards.is-loading::before { display: block; color: var(--muted); font: 10px/1.4 var(--mono); letter-spacing: .02em; text-transform: uppercase; content: "Загружаю архив"; }
.cards.is-loading::after { display: block; height: 2px; margin-top: 13px; background: linear-gradient(90deg, var(--accent) 0 34%, var(--line) 34% 100%); animation: load-line .9s ease-in-out infinite alternate; content: ""; }

.app-dialog { width: min(460px, calc(100% - 24px)); max-height: calc(100svh - 24px - env(safe-area-inset-top)); margin: auto; overflow: auto; padding: 0; border: 1px solid var(--line-strong); border-radius: 10px; background: var(--surface); color: var(--ink); box-shadow: 0 18px 60px rgb(0 0 0 / .42); color-scheme: dark; }
.app-dialog::backdrop { background: rgb(0 0 0 / .64); backdrop-filter: blur(3px); }
.dialog-form { display: grid; gap: 13px; max-height: calc(100svh - 24px); overflow: auto; padding: 20px; }
.dialog-head { display: grid; grid-template-columns: minmax(0, 1fr) 44px; gap: 13px; align-items: start; padding-bottom: 13px; border-bottom: 1px solid var(--line); }
.dialog-kicker { color: var(--muted); font-size: 9px; letter-spacing: .055em; text-transform: uppercase; }
.dialog-title { margin: 6px 0 0; color: var(--ink); font-size: 30px; font-weight: 650; line-height: 1; overflow-wrap: anywhere; }
.dialog-close { width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 50%; background: var(--surface-raised); color: var(--ink); cursor: pointer; font: 22px/1 var(--sans); }
.dialog-segmented { display: grid; grid-template-columns: 1fr 1fr; gap: 3px; padding: 4px; border: 1px solid var(--line); border-radius: 7px; background: var(--page); }
.dialog-segmented button { min-height: 44px; border: 0; border-radius: 4px; background: transparent; color: var(--muted); cursor: pointer; font-size: 10px; font-weight: 600; text-transform: uppercase; }
.dialog-segmented button.is-active { background: var(--surface-raised); color: var(--accent); box-shadow: 0 0 0 1px var(--line); }
.dialog-field { min-width: 0; display: grid; gap: 6px; }
.dialog-field > span { color: var(--muted); font-size: 9px; letter-spacing: .02em; }
.dialog-field input, .dialog-field select, .dialog-field textarea, .participant-row input { width: 100%; min-width: 0; min-height: 44px; padding: 0 11px; border: 1px solid var(--line-strong); border-radius: 5px; background: #111613; color: var(--ink); font: 13px/1.35 var(--sans); }
.dialog-field input::placeholder, .dialog-field textarea::placeholder, .participant-row input::placeholder { color: #707b71; }
.dialog-field textarea { min-height: 68px; padding: 10px 11px; resize: vertical; }
.dialog-field select { appearance: auto; }
.dialog-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }
.dialog-toggle { min-height: 46px; display: flex; align-items: center; justify-content: space-between; gap: 11px; padding: 0 11px; border: 1px solid var(--line); border-radius: 5px; background: var(--surface-raised); color: var(--ink); font-size: 11px; }
.dialog-toggle input { width: 19px; height: 19px; margin: 0; accent-color: var(--accent); }
.split-panel { display: grid; gap: 8px; padding: 10px; border: 1px solid var(--line); border-radius: 6px; background: var(--page); }
#participantsList { display: grid; gap: 7px; }
.participant-row { display: grid; grid-template-columns: minmax(0, 1fr) 95px 36px; gap: 6px; }
.participant-row button { min-height: 44px; border: 1px solid #503731; border-radius: 5px; background: var(--danger-soft); color: var(--danger); cursor: pointer; font-size: 18px; }
.participant-row input { min-height: 40px; padding: 0 8px; font-family: var(--mono); font-size: 11px; }
.split-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.split-actions button { min-height: 44px; padding: 0 8px; border: 1px solid var(--line-strong); border-radius: 5px; background: var(--surface-raised); color: var(--ink); cursor: pointer; font: 10px/1.2 var(--sans); }
.dialog-error { min-height: 14px; margin: 0; color: var(--danger); font-size: 9px; line-height: 1.4; text-transform: none; }
.dialog-submit { min-height: 46px; border: 1px solid var(--accent); border-radius: 5px; background: var(--accent); color: var(--accent-ink); cursor: pointer; font-size: 12px; font-weight: 650; transition: background .16s ease; }
.dialog-submit:hover { background: var(--accent-hover); }
.confirm-dialog { width: min(420px, calc(100% - 24px)); }
.confirm-title { margin: 0; color: var(--ink); font-size: 19px; font-weight: 650; line-height: 1.2; }
.confirm-text { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.5; }
.confirm-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.confirm-actions button { min-height: 43px; border: 1px solid var(--line-strong); border-radius: 5px; cursor: pointer; font-size: 11px; font-weight: 600; }
.confirm-danger { border-color: var(--danger) !important; background: var(--danger); color: #20120f; }
.confirm-safe { background: var(--surface-raised); color: var(--ink); }
.about-copy { margin: 0; color: #a8b0a8; font-size: 13px; line-height: 1.55; }
.repay-select[hidden], .split-panel[hidden], [hidden] { display: none !important; }

@keyframes appear { from { transform: translateY(6px); } to { transform: none; } }
@keyframes card-appear { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: none; } }
@keyframes load-line { from { opacity: .42; transform: scaleX(.58); transform-origin: left; } to { opacity: 1; transform: scaleX(1); transform-origin: left; } }

@media (min-width: 760px) {
  .app-content { padding-right: 40px; padding-left: 40px; }
  .sum-row { min-height: 178px; padding: 18px 24px 22px; }
  .sum-label { font-size: 92px; }
  .sum-money { font-size: 25px; }
  .feed { margin-top: 36px; }
  .card { padding: 18px 20px 15px; }
}

@media (max-width: 520px) {
  .app-content { padding-right: 17px; padding-left: 17px; }
  .topbar { min-height: 66px; }
  .brand-mark { width: 32px; height: 32px; }
  .brand-name { font-size: 15px; }
  .profile { gap: 8px; }
  .hello-small { font-size: 9px; }
  .username { max-width: 120px; font-size: 12px; }
  .summary { gap: 8px; margin-top: 15px; }
  .sum-row { min-height: 130px; grid-template-rows: 24px minmax(0, 1fr); gap: 3px 7px; padding: 11px 12px 15px; }
  .sum-add { width: 24px; height: 24px; font-size: 16px; }
  .sum-label { font-size: clamp(46px, 15vw, 64px); }
  .sum-money { gap: 3px 5px; font-size: clamp(16px, 5vw, 20px); }
  .feed { margin-top: 24px; }
  .section-head { min-height: 52px; grid-template-columns: auto auto minmax(10px, 1fr) 28px; gap: 7px; }
  .section-title { font-size: 13px; }
  .card { padding: 13px 12px 12px; }
  .card-head { gap: 8px; }
  .person { font-size: 17px; }
  .card-balance { min-width: 75px; }
  .amount { font-size: 14px; }
  .meter { margin-top: 13px; }
  .progress-meta { font-size: 8px; }
  .card-footer { grid-template-columns: 1fr; gap: 9px; margin-top: 12px; padding-top: 10px; }
  .card-actions { grid-template-columns: minmax(0, 1fr) auto; }
  .card-actions button { min-height: 44px; font-size: 9px; }
  .action-primary { padding: 0 8px; }
  .action-quiet, .action-restore, .action-delete { padding: 0 8px; }
  .dialog-form { padding: 16px; }
}

@media (max-width: 350px) {
  .app-content { padding-right: 12px; padding-left: 12px; }
  .brand { gap: 7px; }
  .brand-name { font-size: 14px; }
  .username { max-width: 100px; }
  .sum-row { padding-right: 10px; padding-left: 10px; }
  .sum-label { font-size: 44px; }
  .sum-money { font-size: 15px; }
  .dialog-grid, .split-actions, .confirm-actions { grid-template-columns: 1fr; }
  .participant-row { grid-template-columns: minmax(0, 1fr) 78px 34px; gap: 5px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
}