:root {
  --bg: #f3f5f9;
  --card: #ffffff;
  --text: #1c2333;
  --muted: #6b7280;
  --primary: #2f6fed;
  --primary-dark: #1e56c8;
  --danger: #dc2626;
  --ok: #16a34a;
  --border: #e2e6ee;
  --radius: 14px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151d;
    --card: #1b2030;
    --text: #e8ebf2;
    --muted: #9aa3b5;
    --border: #2a3044;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.45;
}
a { color: var(--primary); text-decoration: none; }
h1, h2, h3 { margin: 0.4em 0; }
.boot { text-align: center; padding: 60px 0; color: var(--muted); }

/* ---------- Каркас ---------- */
.page { min-height: 100vh; display: flex; flex-direction: column; }
.container { width: 100%; max-width: 760px; margin: 0 auto; padding: 12px 14px 80px; flex: 1; }
.container.narrow { max-width: 560px; }
.page-title { font-size: 1.35rem; margin: 8px 0; }

.topbar {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.topbar-inner {
  max-width: 760px; margin: 0 auto; padding: 8px 14px;
  display: flex; align-items: center; gap: 12px;
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--text); font-size: 1.05rem; }
.brand img { width: 26px; height: 26px; border-radius: 6px; }
.topnav { display: flex; gap: 4px; margin-left: auto; }
.topnav a { padding: 6px 10px; border-radius: 8px; color: var(--muted); font-weight: 500; }
.topnav a.active { color: var(--primary); background: color-mix(in srgb, var(--primary) 12%, transparent); }
.userbox { display: flex; align-items: center; gap: 8px; }
.username { font-weight: 600; max-width: 110px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---------- Кнопки ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: none; border-radius: 10px; cursor: pointer;
  padding: 10px 16px; font-size: 0.95rem; font-weight: 600;
  background: transparent; color: var(--text);
  transition: filter .15s ease, transform .05s ease;
}
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { filter: brightness(1.08); }
.btn-secondary { background: color-mix(in srgb, var(--muted) 15%, transparent); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-outline { border: 1.5px solid var(--primary); color: var(--primary); }
.btn-claimed { background: var(--ok); color: #fff; }
.btn-ghost { color: var(--muted); }
.btn-sm { padding: 6px 10px; font-size: 0.85rem; border-radius: 8px; }
.btn-block { width: 100%; }
.icon-btn { background: none; border: none; cursor: pointer; font-size: 1rem; padding: 4px; opacity: .75; }
.icon-btn:hover { opacity: 1; }

/* ---------- Формы ---------- */
input, select {
  width: 100%; padding: 11px 12px; font-size: 1rem;
  border: 1.5px solid var(--border); border-radius: 10px;
  background: var(--card); color: var(--text);
  margin: 4px 0 12px;
}
input:focus, select:focus { outline: 2px solid color-mix(in srgb, var(--primary) 55%, transparent); border-color: var(--primary); }
label { font-size: 0.88rem; font-weight: 600; color: var(--muted); display: block; }
.hint { font-size: 0.82rem; color: var(--muted); margin: 4px 0 12px; }
.form-card { display: flex; flex-direction: column; }
.form-col input { margin-bottom: 8px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px; margin-bottom: 14px;
}

/* ---------- Авторизация ---------- */
.auth-wrap { max-width: 420px; margin: 0 auto; padding: 30px 16px 60px; }
.auth-logo { text-align: center; margin-bottom: 18px; }
.auth-logo img { width: 64px; height: 64px; border-radius: 16px; }
.auth-logo p { color: var(--muted); font-size: 0.92rem; }
.auth-tabs { display: flex; background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 4px; margin-bottom: 12px; }
.auth-tabs button {
  flex: 1; border: none; background: none; padding: 9px; border-radius: 9px;
  font-size: 0.95rem; font-weight: 600; color: var(--muted); cursor: pointer;
}
.auth-tabs button.active { background: var(--primary); color: #fff; }

/* ---------- Дашборд ---------- */
.new-btn { margin-bottom: 18px; }
.bill-list { display: flex; flex-direction: column; gap: 10px; }
.bill-card {
  display: block; background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 13px 15px; color: var(--text);
}
.bill-card-top { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.bill-card-meta { display: flex; gap: 12px; color: var(--muted); font-size: 0.85rem; margin-top: 3px; }
.bill-card-bottom { display: flex; justify-content: space-between; margin-top: 8px; align-items: baseline; }
.bill-card .sum { font-weight: 700; font-size: 1.05rem; }
.bill-card .date { color: var(--muted); font-size: 0.8rem; }
.empty { color: var(--muted); font-size: 0.92rem; }

.chip {
  display: inline-block; padding: 3px 10px; border-radius: 999px;
  font-size: 0.78rem; font-weight: 600; white-space: nowrap;
}
.st-processing { background: #fef3c7; color: #92400e; }
.st-ready { background: #dcfce7; color: #166534; }
.st-error { background: #fee2e2; color: #991b1b; }
.st-closed { background: #e5e7eb; color: #374151; }

/* ---------- Новый чек ---------- */
.photo-box {
  border: 2px dashed var(--border); border-radius: var(--radius);
  padding: 26px 14px; text-align: center; color: var(--muted);
  cursor: pointer; margin-bottom: 12px; font-size: 0.95rem;
}
.photo-box.empty:hover { border-color: var(--primary); color: var(--primary); }
.photo-preview { max-width: 100%; max-height: 320px; border-radius: 10px; display: block; margin: 0 auto; }
#photo { display: none; }
.check-list { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.check-item {
  display: flex; align-items: center; gap: 8px;
  border: 1.5px solid var(--border); border-radius: 999px;
  padding: 7px 14px; cursor: pointer; font-size: 0.92rem; font-weight: 500; color: var(--text);
  margin: 0;
}
.check-item input { width: auto; margin: 0; accent-color: var(--primary); }

/* ---------- Страница чека ---------- */
.bill-head { display: flex; gap: 14px; align-items: flex-start; }
.bill-head-main { flex: 1; min-width: 0; }
.bill-sub { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin: 4px 0; }
.tag { background: color-mix(in srgb, var(--muted) 14%, transparent); border-radius: 8px; padding: 3px 9px; font-size: 0.82rem; }
.bill-meta { display: flex; flex-wrap: wrap; gap: 12px; color: var(--muted); font-size: 0.83rem; }
.bill-thumb {
  width: 74px; height: 98px; object-fit: cover; border-radius: 10px;
  border: 1px solid var(--border); cursor: zoom-in; flex-shrink: 0;
}
.img-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.85); z-index: 100;
  display: flex; align-items: center; justify-content: center; cursor: zoom-out; padding: 20px;
}
.img-overlay img { max-width: 100%; max-height: 100%; border-radius: 8px; }

.banner {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  border-radius: var(--radius); padding: 13px 15px; margin-bottom: 14px; font-size: 0.93rem;
}
.banner-info { background: color-mix(in srgb, var(--primary) 10%, var(--card)); border: 1px solid color-mix(in srgb, var(--primary) 35%, transparent); }
.banner-error { background: color-mix(in srgb, var(--danger) 9%, var(--card)); border: 1px solid color-mix(in srgb, var(--danger) 40%, transparent); }
.banner-muted { background: var(--card); border: 1px dashed var(--border); color: var(--muted); }
.banner-actions { display: flex; gap: 8px; width: 100%; margin-top: 6px; }

.creator-bar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }

.section-head { display: flex; align-items: center; justify-content: space-between; margin: 14px 0 8px; }
.section-head h2 { margin: 0; font-size: 1.1rem; }

.items { display: flex; flex-direction: column; gap: 8px; }
.item {
  display: flex; justify-content: space-between; gap: 10px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 11px 13px;
}
.item.clickable { cursor: pointer; }
.item.mine { border-color: var(--ok); background: color-mix(in srgb, var(--ok) 7%, var(--card)); }
.item-left { min-width: 0; flex: 1; }
.item-name { font-weight: 600; word-break: break-word; }
.item-sub { color: var(--muted); font-size: 0.84rem; margin-top: 2px; }
.share-hint { color: var(--primary); }
.claimants { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 6px; }
.claim-chip {
  background: color-mix(in srgb, var(--primary) 13%, transparent); color: var(--primary);
  font-size: 0.76rem; font-weight: 600; border-radius: 999px; padding: 2px 9px;
}
.claim-chip.me { background: var(--ok); color: #fff; }
.item-right { display: flex; flex-direction: column; align-items: flex-end; gap: 6px; flex-shrink: 0; }
.my-share { color: var(--ok); font-weight: 700; font-size: 0.88rem; }
.item-admin { display: flex; gap: 2px; }

.summary .sum-table { width: 100%; border-collapse: collapse; }
.summary td { padding: 7px 0; border-bottom: 1px dashed var(--border); }
.summary td.num { text-align: right; font-weight: 600; }
.sum-total { margin-top: 12px; display: flex; flex-direction: column; gap: 3px; font-size: 0.93rem; }
.muted { color: var(--muted); }

/* ---------- Модалки ---------- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(10, 14, 25, 0.55); z-index: 90;
  display: flex; align-items: center; justify-content: center; padding: 16px;
}
.modal {
  background: var(--card); border-radius: var(--radius); width: 100%; max-width: 440px;
  max-height: 86vh; overflow: auto; padding: 16px;
}
.modal-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.modal-head h3 { margin: 0; }
.modal-x { background: none; border: none; font-size: 1.05rem; cursor: pointer; color: var(--muted); }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 14px; }

/* ---------- Тосты и спиннер ---------- */
#toasts { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); z-index: 200; display: flex; flex-direction: column; gap: 8px; width: min(92vw, 420px); }
.toast {
  background: #23293b; color: #fff; border-radius: 12px; padding: 12px 16px;
  font-size: 0.92rem; box-shadow: 0 6px 24px rgba(0,0,0,.25);
  animation: slide-up .25s ease;
}
.toast-error { background: var(--danger); }
.toast.hide { opacity: 0; transition: opacity .3s; }
@keyframes slide-up { from { opacity: 0; transform: translateY(10px); } }

.spinner {
  display: inline-block; width: 16px; height: 16px; vertical-align: -3px;
  border: 2.5px solid color-mix(in srgb, currentColor 25%, transparent);
  border-top-color: currentColor; border-radius: 50%;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.error-text { color: var(--danger); text-align: center; padding: 30px 0; }
.warn-note {
  background: #fef3c7; color: #92400e; border-radius: 10px;
  padding: 9px 12px; font-size: 0.86rem; margin: 0 0 10px;
}