:root {
  --bg: #F1F3EA;
  --surface: #FBFBF6;
  --surface-2: #FFFFFF;
  --ink: #1C231D;
  --ink-soft: #5C6754;
  --ink-faint: #8B9482;
  --line: #D9E0CB;
  --line-strong: #C7D0BC;
  --accent-gold: #B9873B;
  --accent-gold-strong: #8F6323;
  --accent-teal: #2E6F5C;
  --accent-teal-soft: #E1EDE7;
  --danger: #A5453A;
  --circle-empty: #FFFFFF;
  --coin-fill: #F1DFB6;
  --coin-fill-border: #E0C68C;
  --coin-fill-text: #7A5D2E;
  --shadow-sm: 0 1px 2px rgba(28,35,29,.06);
  --shadow-md: 0 8px 24px rgba(28,35,29,.10);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101410;
    --surface: #171C15;
    --surface-2: #1D2419;
    --ink: #EDEEE3;
    --ink-soft: #A6B199;
    --ink-faint: #6E7864;
    --line: #2B3324;
    --line-strong: #38422F;
    --accent-gold: #E3AE5C;
    --accent-gold-strong: #F0C783;
    --accent-teal: #5FB498;
    --accent-teal-soft: #1C2E25;
    --danger: #E28073;
    --circle-empty: #1B2216;
    --coin-fill: #5C4E2E;
    --coin-fill-border: #7C6A3D;
    --coin-fill-text: #F1DFB6;
    --shadow-sm: 0 1px 2px rgba(0,0,0,.3);
    --shadow-md: 0 8px 24px rgba(0,0,0,.45);
  }
}

* { box-sizing: border-box; }
html { color-scheme: light dark; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Golos Text', 'Segoe UI', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

h1, h2 { font-family: 'Unbounded', 'Segoe UI', system-ui, sans-serif; margin: 0; text-wrap: balance; }

a { color: var(--accent-teal); }

.wrap { max-width: 1080px; margin: 0 auto; padding: 20px 20px 64px; }

/* ---------- Верхняя панель приложения ---------- */

.top {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: stretch;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 24px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 32px;
}

.brand { display: flex; align-items: center; gap: 18px; flex: 1 1 260px; min-width: max-content; }

.ring {
  --deg: 0deg;
  width: 92px; height: 92px; border-radius: 50%; flex-shrink: 0;
  background: conic-gradient(var(--accent-gold) var(--deg), var(--line) var(--deg));
  display: flex; align-items: center; justify-content: center;
  transition: background .5s ease;
}
.ring-inner {
  width: 76%; height: 76%; border-radius: 50%; background: var(--surface);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  box-shadow: inset 0 0 0 1px var(--line);
}
.ring-pct { font-family: 'Unbounded', sans-serif; font-weight: 800; font-size: 19px; line-height: 1; color: var(--ink); font-variant-numeric: tabular-nums; }
.ring-label { font-family: 'JetBrains Mono', monospace; font-size: 9px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-faint); margin-top: 3px; }

.brand-text h1 { font-size: clamp(22px, 3vw, 28px); font-weight: 800; letter-spacing: -0.01em; }
.brand-text h1 .accent { color: var(--accent-gold-strong); }
.tagline { margin: 6px 0 0; color: var(--ink-soft); font-size: 13.5px; max-width: 34ch; }

.stats { display: flex; gap: 22px; flex: 1 1 320px; align-items: center; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; gap: 4px; min-width: 96px; }
.stat-label { font-family: 'JetBrains Mono', monospace; font-size: 10.5px; text-transform: uppercase; letter-spacing: .07em; color: var(--ink-faint); }
.stat-value { font-family: 'JetBrains Mono', monospace; font-weight: 700; font-size: 21px; color: var(--ink); font-variant-numeric: tabular-nums; }
.stat-value small { font-family: 'JetBrains Mono', monospace; font-weight: 500; font-size: 13px; color: var(--ink-soft); }

.controls { display: flex; flex-direction: column; gap: 10px; flex: 1 1 260px; min-width: 220px; justify-content: center; }
.mult-label { font-family: 'JetBrains Mono', monospace; font-size: 10.5px; text-transform: uppercase; letter-spacing: .07em; color: var(--ink-faint); display: block; margin-bottom: 6px; }
.mult-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.mult-input {
  width: 96px; padding: 8px 10px; border-radius: 10px; border: 1.5px solid var(--line-strong);
  background: var(--surface-2); color: var(--ink); font-family: 'JetBrains Mono', monospace; font-size: 14px; font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.mult-input:focus-visible { outline: 2px solid var(--accent-teal); outline-offset: 1px; }
.presets { display: flex; gap: 6px; flex-wrap: wrap; }
.preset {
  font-family: 'JetBrains Mono', monospace; font-size: 12px; font-weight: 500; padding: 7px 10px; border-radius: 8px;
  border: 1px solid var(--line-strong); background: var(--surface-2); color: var(--ink-soft); cursor: pointer;
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.preset:hover { border-color: var(--accent-teal); color: var(--ink); }
.preset.active { background: var(--accent-teal); border-color: var(--accent-teal); color: #fff; }
.preset:focus-visible { outline: 2px solid var(--accent-teal); outline-offset: 1px; }

.controls-bottom { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 4px; flex-wrap: wrap; }
.save-status { font-size: 12px; color: var(--ink-faint); font-family: 'JetBrains Mono', monospace; }
.reset-btn, .logout-btn {
  font-family: 'Golos Text', sans-serif; font-size: 12.5px; font-weight: 500; background: transparent;
  border: 1px solid transparent; padding: 6px 4px; cursor: pointer; border-radius: 6px; transition: background .15s ease;
}
.reset-btn { color: var(--danger); }
.reset-btn:hover { background: color-mix(in srgb, var(--danger) 12%, transparent); }
.reset-btn:focus-visible { outline: 2px solid var(--danger); outline-offset: 1px; }

.settings-toggle {
  font-family: 'JetBrains Mono', monospace; font-size: 12px; font-weight: 500; padding: 7px 12px; border-radius: 8px;
  border: 1px solid var(--line-strong); background: var(--surface-2); color: var(--ink-soft); cursor: pointer;
  white-space: nowrap; transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.settings-toggle:hover { border-color: var(--accent-teal); color: var(--ink); }
.settings-toggle.active { background: var(--accent-teal); border-color: var(--accent-teal); color: #fff; }
.settings-toggle:focus-visible { outline: 2px solid var(--accent-teal); outline-offset: 1px; }

.settings-panel {
  display: flex; flex-direction: column; gap: 14px; margin-top: 4px; padding-top: 12px;
  border-top: 1px dashed var(--line);
}
.settings-panel[hidden] { display: none; }
.settings-panel .reset-btn { align-self: flex-start; }

.account-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 14px; font-size: 13px; color: var(--ink-faint); }
.account-row .email { color: var(--ink-soft); font-weight: 500; }
.logout-btn { color: var(--ink-soft); text-decoration: none; border: 1px solid var(--line-strong); padding: 5px 12px; }
.logout-btn:hover { background: var(--surface-2); color: var(--ink); }

/* ---------- Сетка монет ---------- */

.board { display: flex; flex-direction: column; gap: 26px; }
.block-label { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 10px; padding-left: 2px; }
.coins { display: grid; grid-template-columns: repeat(auto-fill, minmax(44px, 1fr)); gap: 8px; }

.coin {
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  border: 1.5px solid var(--line-strong);
  background: var(--circle-empty);
  color: var(--ink-faint);
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
  font-size: clamp(11px, 2.4vw, 13px);
  font-variant-numeric: tabular-nums;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
  transition: transform .15s ease, background .25s ease, border-color .25s ease, color .2s ease;
}
.coin:hover { border-color: var(--accent-teal); color: var(--ink); transform: translateY(-1px); }
.coin:focus-visible { outline: 2px solid var(--accent-teal); outline-offset: 2px; }
.coin.filled {
  background: var(--coin-fill);
  border-color: var(--coin-fill-border);
  color: var(--coin-fill-text);
  font-weight: 700;
}
.coin.filled:hover { border-color: var(--coin-fill-text); }
.coin.pop { animation: coinPop .38s ease; }
@keyframes coinPop { 0% { transform: scale(1); } 35% { transform: scale(1.22); } 60% { transform: scale(.93); } 100% { transform: scale(1); } }

.note { margin-top: 36px; text-align: center; color: var(--ink-faint); font-size: 12.5px; max-width: 52ch; margin-left: auto; margin-right: auto; }

body.readonly .coin { cursor: default; }
body.readonly .coin:hover { border-color: var(--line-strong); color: var(--ink-faint); transform: none; }
body.readonly .coin.filled:hover { border-color: var(--coin-fill-border); }

/* ---------- Полоса прогресса ---------- */

.bar-track {
  position: relative;
  height: 10px;
  border-radius: 999px;
  background: var(--line);
  overflow: hidden;
}
.bar-fill {
  position: absolute; inset: 0;
  width: var(--pct, 0%);
  background: linear-gradient(90deg, var(--coin-fill-border), var(--accent-gold));
  border-radius: inherit;
  transition: width .5s ease;
}
@media (prefers-reduced-motion: reduce) { .bar-fill { transition: none; } }

.top-bar {
  flex-basis: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 4px;
}
.top-bar .bar-track { flex: 1; }
.bar-caption {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-faint);
  white-space: nowrap;
}

.friends-bars {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.friends-bars-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--ink-faint);
}
.friend-bar-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-decoration: none;
  padding: 6px 6px;
  border-radius: 8px;
  transition: background .15s ease;
}
.friend-bar-row:hover { background: var(--bg); }
.friend-bar-row:focus-visible { outline: 2px solid var(--accent-teal); outline-offset: 2px; }
.friend-bar-top { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.friend-bar-name {
  min-width: 0; max-width: 55%;
  font-size: 13px; font-weight: 500; color: var(--ink);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.friend-bar-stats {
  font-family: 'JetBrains Mono', monospace; font-size: 11.5px; color: var(--ink-soft);
  white-space: nowrap; font-variant-numeric: tabular-nums;
}
.friend-bar-bottom { display: flex; align-items: center; gap: 10px; }
.friend-bar-bottom .bar-track { flex: 1; }
.friend-bar-more {
  align-self: flex-start;
  font-size: 12.5px; color: var(--accent-teal); text-decoration: none;
}
.friend-bar-more:hover { text-decoration: underline; }

/* ---------- Страница «Друзья» ---------- */

.flash-notice {
  background: var(--accent-teal-soft);
  color: var(--accent-teal);
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 14px;
  margin-bottom: 18px;
}

.friends-block {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 24px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
}
.section-title { font-size: 18px; font-weight: 800; margin-bottom: 6px; }
.section-hint { color: var(--ink-soft); font-size: 13.5px; margin: 0 0 16px; max-width: 60ch; }

.invite-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.invite-row { display: flex; gap: 8px; align-items: center; }
.invite-link-input {
  flex: 1; min-width: 0; padding: 9px 12px; border-radius: 10px; border: 1.5px solid var(--line-strong);
  background: var(--surface-2); color: var(--ink-soft); font-family: 'JetBrains Mono', monospace; font-size: 12.5px;
}

.friend-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }
.friend-card {
  border: 1px solid var(--line); border-radius: 14px; padding: 16px; background: var(--surface-2);
}
.friend-card-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 12px; }
.friend-email { font-size: 13.5px; font-weight: 600; color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.friend-card-link { display: block; text-decoration: none; }
.friend-card-stats {
  display: flex; justify-content: space-between; margin-top: 8px;
  font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--ink-soft);
}

@media (prefers-reduced-motion: reduce) {
  .coin, .ring { transition: background .2s ease, border-color .2s ease, color .2s ease; }
  .coin:hover { transform: none; }
  .coin.pop { animation: none; }
}

@media (max-width: 560px) {
  .wrap { padding: 14px 12px 48px; }
  .top { padding: 18px; border-radius: 16px; }
  .coins { grid-template-columns: repeat(auto-fill, minmax(36px, 1fr)); gap: 6px; }
}

/* ---------- Модалка сброса ---------- */

.modal-overlay {
  position: fixed; inset: 0; background: rgba(16,20,16,.45); backdrop-filter: blur(2px);
  display: flex; align-items: center; justify-content: center; padding: 20px; z-index: 20;
}
.modal-overlay[hidden] { display: none; }
.modal {
  background: var(--surface-2); border-radius: 16px; padding: 24px; max-width: 340px; width: 100%;
  box-shadow: var(--shadow-md); border: 1px solid var(--line);
}
.modal h2 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.modal p { color: var(--ink-soft); font-size: 13.5px; margin: 0 0 20px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; }
.btn-ghost, .btn-danger {
  font-family: 'Golos Text', sans-serif; font-size: 13.5px; font-weight: 600; padding: 9px 16px; border-radius: 10px; cursor: pointer; border: 1px solid transparent;
}
.btn-ghost { background: transparent; color: var(--ink-soft); border-color: var(--line-strong); }
.btn-ghost:hover { background: var(--bg); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { filter: brightness(1.06); }
.btn-ghost:focus-visible, .btn-danger:focus-visible { outline: 2px solid var(--accent-teal); outline-offset: 2px; }

/* ---------- Вход и регистрация ---------- */

.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-card {
  width: 100%;
  max-width: 380px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
}

.auth-ring {
  width: 48px; height: 48px; border-radius: 50%; margin-bottom: 16px;
  background: conic-gradient(var(--accent-gold) 40%, var(--line) 0);
}

.auth-card h1 { font-size: 24px; font-weight: 800; margin-bottom: 6px; }
.auth-card h1 .accent { color: var(--accent-gold-strong); }
.auth-sub { color: var(--ink-soft); font-size: 13.5px; margin: 0 0 24px; }

.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.field label { font-family: 'JetBrains Mono', monospace; font-size: 10.5px; text-transform: uppercase; letter-spacing: .07em; color: var(--ink-faint); }
.field input {
  padding: 11px 13px; border-radius: 10px; border: 1.5px solid var(--line-strong);
  background: var(--surface-2); color: var(--ink); font-family: 'Golos Text', sans-serif; font-size: 15px;
}
.field input:focus-visible { outline: 2px solid var(--accent-teal); outline-offset: 1px; }
.field-hint { font-size: 12px; color: var(--ink-faint); }

.btn-primary {
  width: 100%; padding: 12px 16px; border-radius: 10px; border: none; cursor: pointer;
  background: var(--accent-teal); color: #fff; font-family: 'Golos Text', sans-serif; font-weight: 600; font-size: 15px;
  transition: filter .15s ease;
}
.btn-primary:hover { filter: brightness(1.06); }
.btn-primary:focus-visible { outline: 2px solid var(--accent-gold-strong); outline-offset: 2px; }

.auth-switch { margin-top: 20px; text-align: center; font-size: 13.5px; color: var(--ink-soft); }

.error-list {
  list-style: none; margin: 0 0 18px; padding: 12px 14px; border-radius: 10px;
  background: color-mix(in srgb, var(--danger) 12%, transparent); color: var(--danger); font-size: 13.5px;
}
.error-list li + li { margin-top: 4px; }