/* 扫雷 · 视觉沿用 slot-game/uno-game：暗绿毛毡 + 金框 + 白面板（纯积分娱乐 · 无任何真实货币） */
* { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }
:root { --felt:#1c6b46; --felt-dark:#145034; --panel:#fff; --panel-border:#d9e2dc; --ink:#1c2b24; --accent:#0f8a5f; --accent-dark:#0b6b49; --warn:#e0392b; --gold:#d4a017; --gold-bright:#f3ce62; --gold-pale:#fff8df; --gold-deep:#8a6400; --gray:#7a8a80; --bg-deep:#07180f; }
html { color-scheme: dark; }
body { font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif; color: #eaf3ed; min-height: 100vh; background: radial-gradient(circle at 12% -8%, rgba(212,160,23,.18), transparent 36%), radial-gradient(circle at 88% 110%, rgba(15,138,95,.25), transparent 40%), linear-gradient(160deg, var(--bg-deep), var(--felt-dark) 55%, var(--bg-deep)); }
.app { max-width: 1180px; margin: 0 auto; padding: 18px 16px 28px; }
/* 顶栏 */
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-badge { width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; font-size: 26px; background: radial-gradient(circle at 35% 30%, #45331a, #241305); border: 2px solid var(--gold); box-shadow: 0 0 18px rgba(212,160,23,.35); }
.brand h1 { font-size: 22px; letter-spacing: 1px; } .brand-en { font-size: 12px; color: var(--gold-bright); letter-spacing: 3px; margin-left: 6px; }
.slogan { font-size: 12.5px; color: #b9d2c4; margin-top: 3px; } .slogan b { color: var(--gold-bright); }
.topbar-side { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
/* 顶部白面板：剩余雷 / 用时 / 报名费 */
.settle-strip { background: var(--panel); border: 1px solid var(--gold); border-radius: 12px; padding: 6px 12px; display: flex; gap: 10px; box-shadow: 0 8px 20px rgba(0,0,0,.35); }
.settle-item { min-width: 72px; text-align: center; }
.settle-item span { display: block; font-size: 11px; color: var(--gray); } .settle-item strong { font-size: 15px; color: var(--ink); font-variant-numeric: tabular-nums; }
.conn-tag { display: inline-flex; align-items: center; gap: 7px; background: rgba(255,255,255,.06); border: 1px solid #3d5c4c; color: #cfe3d7; border-radius: 999px; padding: 6px 12px; font-size: 12.5px; cursor: pointer; }
.conn-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--warn); } .conn-tag.on .conn-dot { background: #35d08c; }
/* 布局与毛毡金框棋盘 */
.layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 18px; margin-top: 18px; align-items: start; } .board-wrap { display: flex; flex-direction: column; align-items: center; gap: 10px; }
@media (max-width: 900px) { .layout { grid-template-columns: 1fr; } }
.board { padding: 12px; border-radius: 16px; border: 3px solid var(--gold); background: radial-gradient(circle at 50% 40%, var(--felt), var(--felt-dark) 85%); box-shadow: 0 18px 40px rgba(0,0,0,.45); }
#board { display: block; width: 100%; max-width: 585px; height: auto; touch-action: manipulation; }
.board-caption { font-size: 12.5px; color: #9db8aa; }
/* 白卡片侧栏 */
.card-panel { background: var(--panel); border: 1px solid var(--panel-border); border-radius: 14px; padding: 14px; color: var(--ink); box-shadow: 0 12px 30px rgba(0,0,0,.35); }
.card-panel + .card-panel { margin-top: 14px; }
.panel-head { display: flex; align-items: center; justify-content: space-between; font-weight: 800; font-size: 14px; color: var(--accent-dark); border-bottom: 1px dashed var(--panel-border); padding-bottom: 8px; margin-bottom: 10px; } .panel-head .status { font-size: 13px; font-weight: 700; color: var(--gold-deep); } .muted { color: var(--gray); font-weight: 600; }
.hint { font-size: 12px; color: var(--gray); margin: 8px 0 10px; line-height: 1.6; }
.ledger { display: grid; gap: 6px; font-size: 12.5px; border-top: 1px dashed var(--panel-border); padding-top: 8px; }
.ledger > div { display: flex; justify-content: space-between; gap: 8px; } .ledger span { color: var(--gray); flex-shrink: 0; }
.bet-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; margin-bottom: 10px; }
.btn { background: var(--accent); color: #fff; border: 1px solid transparent; padding: 10px 16px; border-radius: 10px; font-size: 15px; font-weight: 700; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; gap: 6px; }
.btn:hover { background: var(--accent-dark); } .btn:disabled { opacity: .45; cursor: not-allowed; }
.btn:focus-visible { outline: 2px solid var(--gold-deep); outline-offset: 2px; }
.btn.big { font-size: 18px; padding: 14px 22px; width: 100%; } .btn.small { padding: 7px 10px; font-size: 13px; border-radius: 8px; }
.bet-grid .btn { padding: 8px 2px; } .bet-grid .btn.sel { outline: 2px solid var(--gold-deep); outline-offset: 1px; box-shadow: 0 0 10px rgba(212,160,23,.5); }
.btn.warn { background: var(--gold); color: #332500; } .btn.warn:hover { background: #b58910; }
.btn.gold { background: linear-gradient(180deg, #f8dc86 0%, var(--gold) 55%, #ac7c08 100%); color: #2f2300; border-color: #ffe8a5; text-shadow: 0 1px 0 rgba(255,255,255,.35); }
.btn.gold:hover { background: linear-gradient(180deg, #ffe7a0 0%, #e3b32a 55%, #b9870b 100%); }
.btn.ghost { background: transparent; color: var(--accent-dark); border-color: #b9ccc1; } .btn.ghost:hover { background: rgba(15,138,95,.08); }
.auth-form { display: grid; gap: 8px; } .auth-form input { padding: 9px 11px; border: 1px solid #b9ccc1; border-radius: 9px; font-size: 14px; background: #fff; color: var(--ink); width: 100%; }
.auth-btns { display: flex; gap: 8px; } .auth-btns .btn { flex: 1; }
.auth-info { display: grid; gap: 8px; font-size: 13.5px; } .auth-row { display: flex; justify-content: space-between; } .auth-row strong { font-variant-numeric: tabular-nums; }
/* 结算横幅：金底黑字 */
.modal { position: fixed; inset: 0; z-index: 60; background: rgba(4,16,10,.66); backdrop-filter: blur(3px); display: grid; place-items: center; padding: 20px; } .modal[hidden] { display: none; }
.modal-card { background: linear-gradient(180deg, #f8dc86 0%, var(--gold) 62%, #b9870b 100%); border: 2px solid var(--gold-bright); border-radius: 16px; padding: 26px 30px; text-align: center; min-width: min(330px, 86vw); box-shadow: 0 24px 60px rgba(0,0,0,.55); color: #2f2300; animation: rise .25s ease-out; }
@keyframes rise { from { transform: translateY(14px); opacity: 0; } }
.modal-card h2 { font-size: 30px; margin-bottom: 8px; letter-spacing: 4px; color: #231a00; }
.modal-card h2.win { text-shadow: 0 1px 0 var(--gold-pale); } .modal-card h2.lose { color: #7d1f22; }
.modal-card p { font-size: 14.5px; color: #3d2c07; margin-bottom: 16px; line-height: 1.7; } .modal-card p b { color: #1c1200; font-size: 17px; }
.btn.dark { background: #2f2300; color: var(--gold-bright); border-color: #5a4300; } .btn.dark:hover { background: #453312; }
.toast { position: fixed; left: 50%; bottom: 34px; transform: translateX(-50%) translateY(20px); background: rgba(12,30,21,.94); color: #f1e6c8; border: 1px solid var(--gold-deep); padding: 10px 18px; border-radius: 10px; font-size: 13.5px; opacity: 0; pointer-events: none; transition: opacity .2s; z-index: 80; max-width: 86vw; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.footer { margin-top: 26px; text-align: center; font-size: 12.5px; color: #7fa090; } .footer b { color: var(--gold-bright); }