:root {
  --mines-ink: #f2f3ed;
  --mines-muted: #a3adbf;
  --mines-lime: #d8f879;
}
body[data-page="mines"] {
  min-height: 100vh;
  margin: 0;
  color: var(--mines-ink);
  background:
    radial-gradient(720px 520px at 82% 10%, rgba(95, 83, 164, .18), transparent 68%),
    radial-gradient(600px 500px at 8% 55%, rgba(75, 115, 93, .13), transparent 70%),
    linear-gradient(180deg, #111624 0%, #0a0e17 68%, #090c13 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
.mines-shell { width: min(970px, 100%); margin: 0 auto; padding: 0 30px; }
.mines-header { height: 76px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(211,223,243,.1); }
.mines-brand { display: inline-flex; align-items: center; gap: 10px; color: var(--mines-ink); font-size: 16px; font-weight: 780; letter-spacing: -.06em; text-decoration: none; }
.brand-mark { position: relative; display: grid; width: 32px; height: 32px; place-items: center; overflow: hidden; border: 1px solid rgba(216,248,121,.58); border-radius: 10px; color: var(--mines-lime); background: rgba(216,248,121,.09); font-size: 15px; font-weight: 850; }
.brand-mark i { position: absolute; width: 7px; height: 7px; right: 5px; bottom: 5px; border-radius: 2px; background: var(--mines-lime); transform: rotate(45deg); }
.brand-period { color: var(--mines-lime); }
.mines-back { color: #abb5c6; text-decoration: none; font-size: 12px; transition: color .18s ease; }
.mines-back:hover { color: var(--mines-lime); }
.mines-back span { margin-right: 7px; color: var(--mines-lime); }
.mines-main { padding: 42px 0 52px; }
.mines-intro { margin-bottom: 22px; }
.mines-eyebrow { display: flex; align-items: center; gap: 8px; margin: 0 0 10px; color: #bdc8d9; font-size: 9px; font-weight: 760; letter-spacing: .18em; }
.mines-eyebrow span { width: 6px; height: 6px; border-radius: 50%; background: var(--mines-lime); box-shadow: 0 0 12px rgba(216,248,121,.7); }
.mines-intro h1 { margin: 0; font-size: clamp(43px, 5.8vw, 64px); line-height: .98; letter-spacing: -.075em; }
.mines-intro h1 span { color: var(--mines-lime); }
.mines-intro > p:last-child { margin: 10px 0 0; color: var(--mines-muted); font-size: 13px; line-height: 1.6; }
.mines-layout { display: grid; grid-template-columns: minmax(0, 1fr) 245px; align-items: start; gap: 15px; }
.mines-board-wrap, .mines-panel { border: 1px solid rgba(211,223,243,.13); border-radius: 20px; background: linear-gradient(155deg, rgba(25,33,51,.91), rgba(14,19,30,.96)); box-shadow: 0 24px 70px rgba(0,0,0,.23); }
.mines-board-wrap { min-width: 0; padding: 16px; }
.mines-board-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin: 0 1px 12px; color: #919db0; font-size: 9px; font-weight: 750; letter-spacing: .13em; }
.mines-board-top span:last-child { color: #9ca8bb; font-size: 10px; font-weight: 500; letter-spacing: 0; }
.mines-board { --grid-columns: 9; display: grid; width: min(100%, 540px); grid-template-columns: repeat(var(--grid-columns), minmax(0, 1fr)); gap: 3px; margin-inline: auto; padding: clamp(8px, 1.4vw, 12px); border: 1px solid rgba(211,223,243,.08); border-radius: 14px; background: #172332; }
.mine-cell { display: grid; min-width: 0; aspect-ratio: 1; place-items: center; padding: 0; border: 1px solid rgba(205,220,237,.07); border-radius: clamp(3px, .6vw, 6px); color: #aebbd0; background: linear-gradient(145deg, #43536a, #344257); box-shadow: inset 0 1px rgba(255,255,255,.07), 0 2px 3px rgba(0,0,0,.2); font: inherit; font-size: clamp(9px, 1.6vw, 16px); font-weight: 850; cursor: pointer; transition: background .12s ease, transform .12s ease; }
.mine-cell:hover:not(:disabled):not(.is-open) { transform: translateY(-1px); background: linear-gradient(145deg, #53657e, #3d4c64); }
.mine-cell:focus-visible { z-index: 1; outline: 2px solid var(--mines-lime); outline-offset: 1px; }
.mine-cell:disabled { cursor: default; }
.mine-cell.is-open { border-color: rgba(211,223,243,.035); color: #8c98ab; background: rgba(105,123,145,.18); box-shadow: inset 0 1px 3px rgba(0,0,0,.2); cursor: default; }
.mine-cell.is-open.number-1 { color: #88baff; }
.mine-cell.is-open.number-2 { color: #9dde8b; }
.mine-cell.is-open.number-3 { color: #ff958a; }
.mine-cell.is-open.number-4 { color: #c8a5ff; }
.mine-cell.is-open.number-5, .mine-cell.is-open.number-6, .mine-cell.is-open.number-7, .mine-cell.is-open.number-8 { color: #ffc66f; }
.mine-cell.is-flagged { color: #ff9b7d; background: linear-gradient(145deg, #57445a, #42364d); }
.mine-cell.is-mine { color: #fff1dc; background: #a64f57; }
.mine-cell.mine-hit { background: #f16d64; box-shadow: 0 0 18px rgba(241,109,100,.4); }
.mine-cell.is-wrong-flag { color: #ff9b7d; background: #5b3440; }
.mines-status { min-height: 19px; margin: 11px 4px 0; color: #aeb9ca; font-size: 10px; line-height: 1.5; text-align: center; }
.mines-panel { display: flex; flex-direction: column; gap: 11px; padding: 13px; }
.mines-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.mines-stats > div { display: grid; gap: 5px; padding: 11px; border: 1px solid rgba(211,223,243,.09); border-radius: 13px; background: rgba(5,9,16,.26); }
.mines-stats span, .mines-record > span, .mines-how > span { color: #8996aa; font-size: 8px; font-weight: 760; letter-spacing: .14em; }
.mines-stats strong { color: #f3f4ed; font-size: 21px; letter-spacing: -.045em; }
.mines-record { display: grid; gap: 6px; padding: 11px; border: 1px solid rgba(211,223,243,.09); border-radius: 13px; background: rgba(5,9,16,.22); }
.mines-record strong { color: var(--mines-lime); font-size: 19px; }
.mines-record small { color: #7f8ba0; font-size: 9px; }
.mines-difficulty-label { margin-top: 1px; color: #9eabbd; font-size: 10px; font-weight: 700; }
.mines-difficulty { width: 100%; height: 38px; margin-top: -7px; padding: 0 9px; border: 1px solid rgba(211,223,243,.14); border-radius: 10px; outline: 0; color: var(--mines-ink); background: #151c2a; font: inherit; font-size: 10px; }
.mines-difficulty:focus-visible { border-color: rgba(216,248,121,.63); box-shadow: 0 0 0 3px rgba(216,248,121,.1); }
.mines-difficulty option { color: var(--mines-ink); background: #151c2a; }
.flag-mode { min-height: 38px; border: 1px solid rgba(211,223,243,.14); border-radius: 10px; color: #aeb9ca; background: rgba(255,255,255,.025); font: inherit; font-size: 10px; font-weight: 700; cursor: pointer; }
.flag-mode[aria-pressed="true"] { border-color: rgba(255,155,125,.45); color: #ffad91; background: rgba(255,155,125,.1); }
.flag-mode:focus-visible, .mines-new:focus-visible { outline: 2px solid var(--mines-lime); outline-offset: 2px; }
.mines-new { display: flex; min-height: 40px; align-items: center; justify-content: center; gap: 8px; border: 0; border-radius: 10px; color: #151b12; background: var(--mines-lime); font: inherit; font-size: 10px; font-weight: 800; cursor: pointer; transition: transform .18s ease, background .18s ease; }
.mines-new:hover { transform: translateY(-1px); background: #e4ff9a; }
.mines-new span { font-size: 15px; }
.mines-how { padding: 11px; border: 1px solid rgba(211,223,243,.09); border-radius: 13px; background: rgba(5,9,16,.22); }
.mines-how p { margin: 8px 0 0; color: #a5b0c2; font-size: 9px; line-height: 1.6; }
.mines-how small { display: block; margin-top: 8px; color: #8793a7; font-size: 8px; line-height: 1.5; }
.mines-footer { display: flex; align-items: center; gap: 20px; min-height: 68px; border-top: 1px solid rgba(211,223,243,.1); color: #7e899c; font-size: 10px; }
.mines-footer > span:first-child { color: #c5ccda; font-weight: 750; }
.mines-footer > a { margin-left: auto; color: #c8d1df; text-decoration: none; }
.mines-footer > a:hover { color: var(--mines-lime); }
.mines-footer b { margin-left: 5px; color: var(--mines-lime); }
@media (max-width: 700px) {
  .mines-shell { padding-inline: 18px; }
  .mines-main { padding-top: 34px; }
  .mines-layout { grid-template-columns: minmax(0, 1fr) 220px; gap: 11px; }
  .mines-board-wrap { padding: 12px; }
  .mines-panel { padding: 10px; gap: 9px; }
  .mines-stats > div, .mines-record, .mines-how { padding: 9px; }
}
@media (max-width: 560px) {
  .mines-shell { padding-inline: 13px; }
  .mines-layout { grid-template-columns: 1fr; }
  .mines-board-wrap { padding: 10px; }
  .mines-board { width: min(100%, 440px); gap: 2px; padding: 7px; }
  .mine-cell { border-radius: 3px; font-size: clamp(9px, 3.5vw, 15px); }
  .mines-panel { display: grid; grid-template-columns: 1fr 1fr; }
  .mines-stats, .mines-record, .mines-difficulty-label, .mines-difficulty, .flag-mode, .mines-how { grid-column: 1 / -1; }
  .mines-new { grid-column: 1 / -1; }
}
@media (max-width: 360px) {
  .mines-shell { padding-inline: 9px; }
  .mines-board { gap: 1px; padding: 5px; }
}
@media (prefers-reduced-motion: reduce) {
  body[data-page="mines"] *, body[data-page="mines"] *::before, body[data-page="mines"] *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}