:root{
  --bg:#050b13;--bg2:#08111d;--surface:#0b1522;--surface2:#0e1b2b;--surface3:#122238;
  --line:rgba(157,196,255,.14);--line2:rgba(157,196,255,.24);--text:#f4f8ff;--muted:#8fa1b7;
  --blue:#2f8cff;--blue2:#63b7ff;--cyan:#5cc7ff;--green:#68e39f;--red:#ff6270;--gold:#ffc857;
  --shadow:0 24px 80px rgba(0,0,0,.38);--cell-size:38px;--radius:22px
}
*{box-sizing:border-box}html{background:var(--bg);color-scheme:dark;scroll-behavior:smooth}body{margin:0;min-height:100vh;font-family:Inter,"PingFang TC","Noto Sans TC","Microsoft JhengHei",system-ui,-apple-system,sans-serif;color:var(--text);background:linear-gradient(180deg,#06101d 0,#050a11 46%,#04080e 100%);overflow-x:hidden}button,input,select{font:inherit}button{color:inherit}button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--blue2);outline-offset:3px}.page-noise{position:fixed;inset:0;pointer-events:none;z-index:-1;opacity:.14;background-image:linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px);background-size:32px 32px}.ambient{position:fixed;pointer-events:none;z-index:-2;border-radius:50%;filter:blur(110px);opacity:.18}.ambient-a{width:480px;height:480px;background:#0b70ff;right:-120px;top:-120px}.ambient-b{width:420px;height:420px;background:#0c87bb;left:-180px;bottom:10vh}
.site-header{position:sticky;top:0;z-index:40;border-bottom:1px solid rgba(145,186,240,.11);background:rgba(4,10,17,.82);backdrop-filter:blur(22px)}.header-inner{width:min(1420px,calc(100% - 36px));height:72px;margin:auto;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:28px}.brand{border:0;background:transparent;padding:0;cursor:pointer;display:flex;align-items:baseline;letter-spacing:-.055em;font-style:italic;font-weight:950}.brand-word{font-size:25px}.brand-number{font-size:25px;color:var(--blue2);margin-left:5px}.main-nav{display:flex;align-items:stretch;height:100%;gap:2px}.nav-link{position:relative;border:0;background:transparent;color:#a8b7c9;padding:0 17px;cursor:pointer;font-size:13px;font-weight:700}.nav-link:after{content:"";position:absolute;height:2px;left:17px;right:17px;bottom:0;background:linear-gradient(90deg,var(--blue),var(--cyan));transform:scaleX(0);transition:.2s}.nav-link:hover,.nav-link.active{color:#fff}.nav-link:hover:after,.nav-link.active:after{transform:scaleX(1)}.top-actions{display:flex;align-items:center;gap:9px}.language-form{position:relative;display:flex;align-items:center;border:1px solid var(--line2);border-radius:11px;background:#091321}.language-icon{position:absolute;left:11px;color:#dbe9fb;font-size:12px}.language-form select{appearance:none;border:0;background:transparent;color:#dbe7f6;padding:9px 30px 9px 31px;min-width:126px;font-size:12px;cursor:pointer}.language-form:after{content:"⌄";position:absolute;right:10px;top:7px;color:#64b7ff;pointer-events:none}.header-auth,.header-logout{border:1px solid rgba(91,166,255,.55);border-radius:10px;background:linear-gradient(180deg,#237ee8,#1463cb);padding:10px 16px;font-weight:800;font-size:12px;cursor:pointer;box-shadow:0 8px 24px rgba(28,116,230,.18)}.header-logout{background:transparent;color:#9eafc2;border-color:var(--line)}.header-auth:hover{filter:brightness(1.08)}.header-logout:hover{color:#fff;border-color:var(--line2)}
.site-main{width:min(1420px,calc(100% - 36px));margin:0 auto;padding-bottom:54px}.screen{display:none}.screen.active{display:block;animation:screenIn .28s ease both}@keyframes screenIn{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:none}}.eyebrow,.hero-kicker{display:block;color:#8fbde9;font-size:10px;font-weight:850;letter-spacing:.19em;text-transform:uppercase}.surface-card{background:linear-gradient(180deg,rgba(12,24,39,.96),rgba(7,15,25,.96));border:1px solid var(--line);border-radius:18px;box-shadow:0 16px 50px rgba(0,0,0,.17)}
.hero-section{min-height:455px;margin:0 calc(50% - 50vw);padding:48px max(36px,calc((100vw - 1420px)/2 + 18px));display:grid;grid-template-columns:minmax(0,1fr) minmax(500px,.95fr);align-items:center;gap:48px;position:relative;overflow:hidden;border-bottom:1px solid var(--line);background:radial-gradient(circle at 73% 44%,rgba(38,120,220,.22),transparent 36%),linear-gradient(110deg,rgba(6,15,26,.98),rgba(7,16,28,.9) 57%,rgba(7,18,33,.98));}.hero-section:before{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,rgba(4,10,18,.25),transparent 46%,rgba(31,101,181,.08)),repeating-linear-gradient(115deg,transparent 0 55px,rgba(255,255,255,.013) 56px 57px)}.hero-copy{position:relative;z-index:2;padding:18px 0}.hero-kicker{margin-bottom:20px}.hero-copy h1{margin:0;max-width:700px;font-size:clamp(42px,5vw,72px);line-height:1.02;letter-spacing:-.052em;font-weight:900;text-shadow:0 3px 28px rgba(33,118,220,.13)}.hero-copy p{max-width:670px;margin:22px 0 0;color:#a7b7c9;font-size:15px;line-height:1.85}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.primary-cta,.secondary-cta{height:58px;border-radius:12px;padding:0 24px;border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center;gap:12px;font-weight:850;cursor:pointer;transition:.2s}.primary-cta{background:linear-gradient(180deg,#3196ff,#1670e6);box-shadow:0 12px 32px rgba(19,110,227,.27);color:#fff}.primary-cta:hover{transform:translateY(-2px);filter:brightness(1.07)}.primary-cta b,.secondary-cta b{font-size:18px;font-weight:500}.secondary-cta{background:rgba(10,23,38,.74);border-color:rgba(131,187,248,.3);color:#e7f2ff}.secondary-cta:hover{border-color:rgba(99,183,255,.7);background:rgba(14,31,50,.9)}.primary-cta.full{width:100%}.hero-user{margin-top:24px;display:flex;align-items:center;gap:10px;color:#dce9f7;font-size:12px}.hero-user b{font-weight:500;color:#7f94aa}.online-dot{width:7px;height:7px;border-radius:50%;background:#65e7a0;box-shadow:0 0 14px rgba(101,231,160,.75)}.hero-microcopy{margin-top:21px;color:#667e98;font-size:11px;letter-spacing:.08em}.hero-visual{position:relative;z-index:2;height:385px;perspective:900px}.hero-grid{position:absolute;left:38px;right:40px;bottom:34px;display:grid;grid-template-columns:repeat(5,1fr);gap:7px;transform:rotateX(59deg) rotateZ(-7deg);transform-origin:center bottom;filter:drop-shadow(0 34px 35px rgba(0,0,0,.45))}.demo-cell{aspect-ratio:1;border-radius:8px;border:1px solid rgba(154,190,231,.27);background:linear-gradient(145deg,#263c59,#10243b);box-shadow:inset 0 1px 0 rgba(255,255,255,.18),inset 0 -10px 20px rgba(0,0,0,.22);display:grid;place-items:center;font-size:26px;font-weight:950;color:#4ea0ff}.demo-cell.n2{color:#5ae38c}.demo-cell.n3{color:#ff6a72}.demo-cell.flag{color:#ff4859;font-size:30px}.demo-cell.glow{background:radial-gradient(circle at 50% 40%,#7ac8ff,#1779d6 50%,#0c4f96);box-shadow:0 0 30px rgba(55,160,255,.75),inset 0 0 22px rgba(255,255,255,.23)}.mine-orb{position:absolute;right:22%;top:5px;width:124px;height:124px;border-radius:50%;background:radial-gradient(circle at 40% 35%,#33465d 0 5%,#172638 32%,#0a111a 62%,#03070b 100%);border:4px solid #21364b;box-shadow:0 0 60px rgba(22,115,215,.25),0 28px 50px rgba(0,0,0,.45);z-index:4}.mine-orb:before,.mine-orb:after{content:"";position:absolute;inset:31px;border-radius:50%;border:2px solid #5b1d25;background:radial-gradient(circle,#ff4a50 0 10%,#8d171e 20%,#200b0e 56%,transparent 58%);box-shadow:0 0 28px rgba(255,48,58,.66)}.mine-orb:after{inset:48px;border:0;background:#ff5960;box-shadow:0 0 18px #ff3f46}.mine-orb i{position:absolute;width:18px;height:54px;left:49px;top:-31px;background:#1c2c3e;border:2px solid #30475e;border-radius:7px}.mine-orb i:nth-child(2){transform:rotate(90deg);top:33px;left:113px}.mine-orb i:nth-child(3){transform:rotate(180deg);top:99px}.mine-orb i:nth-child(4){transform:rotate(270deg);left:-8px;top:34px}.hero-slogan{position:absolute;right:0;top:98px;color:#6f8298;font-weight:900;font-size:13px;line-height:1.45;letter-spacing:.09em;transform:rotate(-7deg);opacity:.8}.hero-slogan strong{color:#a1bad4}.progress-ring{--progress:0deg;position:absolute;left:8px;bottom:10px;width:84px;height:84px;border-radius:50%;background:conic-gradient(var(--blue2) var(--progress),rgba(126,174,232,.12) 0);display:grid;place-content:center;text-align:center;box-shadow:0 0 30px rgba(52,142,239,.16)}.progress-ring:after{content:"";position:absolute;inset:6px;border-radius:50%;background:#07121f}.progress-ring span,.progress-ring small{position:relative;z-index:1}.progress-ring span{font-size:19px;font-weight:900}.progress-ring small{font-size:8px;color:#8094aa;margin-top:2px}
.rules-strip{display:grid;grid-template-columns:1.05fr repeat(4,1fr);border:1px solid var(--line);border-top:0;background:rgba(6,13,22,.78);margin:0 calc(50% - 50vw);padding:0 max(36px,calc((100vw - 1420px)/2 + 18px))}.rules-title,.rule-item{min-height:118px;padding:23px 22px;border-right:1px solid var(--line);display:flex;align-items:center}.rules-title{display:block;padding-left:0}.rules-title h2{margin:5px 0 7px;font-size:20px}.text-link{border:0;background:transparent;color:#7e9ab8;padding:0;font-size:10px;cursor:pointer}.text-link:hover{color:#fff}.rule-item{gap:14px}.rule-item:last-child{border-right:0}.rule-icon{width:44px;height:44px;flex:0 0 44px;border:1px solid rgba(67,154,255,.45);border-radius:50%;display:grid;place-items:center;color:#63b7ff;font-size:18px;box-shadow:inset 0 0 20px rgba(36,125,230,.12)}.rule-icon.number{font-weight:900}.rule-icon.star{color:#ffd166}.rule-item b{display:block;font-size:12px;margin-bottom:7px}.rule-item p{margin:0;color:#778ba1;font-size:10px;line-height:1.6}
.content-grid{display:grid;grid-template-columns:minmax(0,1.75fr) minmax(330px,.78fr);gap:16px;margin-top:16px}.levels-panel{padding:20px}.panel-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:17px}.panel-heading h2{margin:5px 0 0;font-size:24px;letter-spacing:-.025em}.panel-heading p{margin:7px 0 0;color:#788ca3;font-size:11px}.panel-heading.compact{align-items:center}.progress-copy{font-size:11px;color:#7f91a7}.progress-copy strong{color:#fff;font-size:16px}.level-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}.level-card{position:relative;min-height:116px;border:1px solid rgba(136,174,222,.15);border-radius:13px;background:linear-gradient(145deg,#12243a,#0a1624 65%);padding:14px;cursor:pointer;text-align:left;transition:.2s;overflow:hidden;box-shadow:inset 0 1px 0 rgba(255,255,255,.03)}.level-card:before{content:"";position:absolute;inset:auto -25% -52% -25%;height:80%;background:radial-gradient(ellipse at center,rgba(47,140,255,.2),transparent 64%);opacity:.55}.level-card:hover:not(:disabled){transform:translateY(-3px);border-color:rgba(78,159,255,.55);box-shadow:0 14px 28px rgba(0,0,0,.23)}.level-card.cleared{background:linear-gradient(145deg,#16314b,#0a1827 70%);border-color:rgba(68,157,255,.3)}.level-card.locked{opacity:.42;cursor:not-allowed;filter:saturate(.55)}.level-no{position:relative;z-index:1;display:block;font-size:28px;line-height:1;font-weight:900;color:#e9f3ff;letter-spacing:-.04em}.level-info{position:relative;z-index:1;display:flex;flex-direction:column;margin-top:12px}.level-info strong{font-size:11px;color:#dbe7f5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.level-info small{font-size:9px;color:#668099;margin-top:5px}.level-status{position:absolute;z-index:2;right:12px;top:12px;color:#ffc857;font-size:10px;letter-spacing:1px}.level-best{position:absolute;z-index:2;left:14px;bottom:11px;color:#67829f;font-size:8px;letter-spacing:.08em}.side-column{display:grid;gap:16px;align-content:start}.ranking-preview,.member-preview{padding:20px}.mini-action{border:1px solid var(--line2);background:#0b1827;border-radius:9px;padding:8px 10px;color:#9cb7d3;font-size:9px;cursor:pointer}.mini-action:hover{color:#fff;border-color:#4c98e6}.ranking-preview-head,.ranking-row{display:grid;grid-template-columns:30px 1fr 54px 34px;align-items:center;gap:7px}.ranking-preview-head{padding:8px 8px;color:#5f758c;font-size:8px;border-bottom:1px solid var(--line)}.ranking-row{min-height:42px;padding:7px 8px;border-bottom:1px solid rgba(143,183,232,.07);font-size:10px}.ranking-row:last-child{border-bottom:0}.ranking-row .place{color:#8ba1b8}.ranking-row.top .place{color:#ffc857;font-weight:900}.ranking-row .player{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ranking-row .clears{color:#a8bdd2}.ranking-row .stars{font-size:10px;letter-spacing:0;height:auto;margin:0;color:#ffc857}.preview-empty{padding:26px 8px;color:#657c94;text-align:center;font-size:10px}.profile-hero-row{display:flex;align-items:center;gap:13px;padding:15px 0}.avatar-orb{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(145deg,#327fc6,#0f2942);border:2px solid rgba(97,184,255,.62);font-weight:900;font-size:20px;box-shadow:0 0 22px rgba(57,150,234,.18)}.profile-level span{display:block;color:#70879f;font-size:9px}.profile-level strong{display:block;margin-top:5px;font-size:13px}.profile-mini-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}.profile-mini-stats div{padding:10px;border:1px solid var(--line);border-radius:10px;background:#08131f}.profile-mini-stats span{display:block;color:#6f849a;font-size:8px}.profile-mini-stats b{display:block;margin-top:6px;font-size:11px}.member-preview.guest{position:relative;overflow:hidden}.guest-mark{position:absolute;right:-6px;top:-20px;font-size:112px;font-weight:950;color:rgba(75,151,235,.06);letter-spacing:-.08em}.member-preview.guest h2{margin:6px 0 8px;font-size:21px}.member-preview.guest p{color:#71869c;font-size:11px;line-height:1.7}.member-preview.guest .primary-cta{height:44px;margin-top:10px}.home-rules-copy-card{margin-top:16px;border:1px solid var(--line);border-radius:16px;padding:22px 24px;background:linear-gradient(90deg,rgba(13,28,45,.86),rgba(8,17,28,.78));display:grid;grid-template-columns:230px 1fr;gap:30px;align-items:center}.home-rules-copy-card h2{margin:5px 0 0;font-size:19px}.home-rules-copy-card p{margin:0;color:#8699ad;font-size:11px;line-height:1.9}.device-banner{position:relative;margin-top:16px;min-height:142px;border:1px solid rgba(89,152,219,.22);border-radius:18px;padding:25px 28px;background:radial-gradient(circle at 20% 100%,rgba(37,115,202,.2),transparent 45%),linear-gradient(100deg,#0a1725,#07121e);display:grid;grid-template-columns:1.3fr .9fr auto;align-items:center;gap:25px;overflow:hidden}.device-banner:before{content:"";position:absolute;inset:auto 0 0;height:44%;background:linear-gradient(165deg,transparent 0 48%,rgba(66,119,174,.09) 49% 52%,transparent 53%)}.device-banner>*{position:relative;z-index:1}.device-banner h2{margin:5px 0 6px;font-size:21px}.device-banner p{margin:0;color:#7890a8;font-size:11px}.device-icons{display:flex;justify-content:center;gap:24px}.device-icons span{display:flex;flex-direction:column;align-items:center;color:#d8e6f5;font-size:25px}.device-icons small{color:#7590ab;font-size:8px;margin-top:7px}.device-banner .primary-cta{height:46px;font-size:11px}
.install-card{width:min(760px,100%);margin:72px auto;padding:36px;border:1px solid var(--line);border-radius:20px;background:var(--surface);box-shadow:var(--shadow)}.install-card h1{font-size:34px;margin:8px 0}.install-card p{color:var(--muted);line-height:1.8}.link-primary{text-decoration:none;display:inline-flex;margin-top:8px}
.game-page-head{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:15px;padding:26px 0 18px}.icon-btn,.outline-btn{border:1px solid var(--line2);background:#091522;border-radius:11px;cursor:pointer}.icon-btn{width:44px;height:44px;font-size:21px}.outline-btn{height:44px;padding:0 14px;color:#aac0d7}.level-meta h2{margin:4px 0 0;font-size:26px}.game-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:16px}.game-main-card{padding:16px}.game-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:12px}.stat-card{min-height:72px;border:1px solid var(--line);border-radius:12px;background:linear-gradient(180deg,#0d1c2d,#091521);padding:12px 14px;display:flex;flex-direction:column;justify-content:center}.stat-card span{font-size:9px;color:#738ba4;text-transform:uppercase;letter-spacing:.08em}.stat-card strong{margin-top:6px;font:900 19px/1 "SFMono-Regular",Consolas,monospace;color:#eef6ff}.stat-card:nth-child(2) strong{color:#64b9ff}.danger-stat strong{color:#ff6673}.board-frame{border:1px solid rgba(123,173,230,.21);border-radius:15px;background:#06101a;overflow:hidden}.board-topline{min-height:42px;border-bottom:1px solid var(--line);padding:0 14px;display:flex;align-items:center;justify-content:space-between;color:#6c839b;font-size:9px;text-transform:uppercase;letter-spacing:.09em}.mobile-tip{text-transform:none;letter-spacing:0}.board-scroll{min-height:600px;padding:27px;overflow:auto;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at 50% 46%,rgba(40,113,189,.1),transparent 43%)}.mine-board{display:grid;gap:4px;user-select:none;touch-action:manipulation;padding:7px;border-radius:13px;background:#040b12;border:1px solid rgba(126,177,234,.11);box-shadow:0 24px 60px rgba(0,0,0,.28)}.cell{width:var(--cell-size);height:var(--cell-size);border:1px solid rgba(139,185,237,.28);border-radius:max(5px,calc(var(--cell-size)*.14));background:linear-gradient(145deg,#29425f,#13283f 62%,#0e2135);box-shadow:inset 0 1px 0 rgba(255,255,255,.16),inset 0 -9px 16px rgba(0,0,0,.24),0 2px 4px rgba(0,0,0,.24);padding:0;display:grid;place-items:center;font-weight:950;font-size:calc(var(--cell-size)*.47);cursor:pointer;transition:transform .08s,filter .12s,border-color .12s}.cell:hover{filter:brightness(1.18);border-color:rgba(118,190,255,.67)}.cell:active{transform:scale(.93)}.cell.revealed{background:linear-gradient(145deg,#0b1622,#09131e);border-color:rgba(115,160,209,.12);box-shadow:inset 0 0 0 1px rgba(0,0,0,.2);cursor:default}.cell.flagged{color:#ff4658;background:linear-gradient(145deg,#27364a,#131f2d);text-shadow:0 0 13px rgba(255,65,83,.38)}.cell.mine{color:#ff5d69;background:#24151b}.cell.exploded{color:#fff;background:#d63f50;box-shadow:0 0 30px rgba(230,73,93,.5)}.cell.n1{color:#4a9cff}.cell.n2{color:#65df8e}.cell.n3{color:#ff6974}.cell.n4{color:#a487ff}.cell.n5{color:#ffad66}.cell.n6{color:#5dd8e7}.cell.n7{color:#d4d8e1}.cell.n8{color:#8f98aa}.game-side{display:grid;gap:16px;align-content:start}.play-controls,.current-mission{padding:20px}.flag-toggle{width:100%;height:64px;margin-top:12px;padding:0 14px;border:1px solid rgba(67,150,239,.4);border-radius:12px;background:linear-gradient(180deg,#0e253d,#0a1a2a);display:grid;grid-template-columns:34px 1fr 42px;align-items:center;text-align:left;gap:7px;cursor:pointer}.flag-symbol{font-size:22px;color:#ff5764}.flag-toggle i{width:38px;height:22px;border-radius:30px;background:#29394b;position:relative}.flag-toggle i:after{content:"";position:absolute;width:16px;height:16px;border-radius:50%;background:#8698aa;left:3px;top:3px;transition:.18s}.flag-toggle.active{background:linear-gradient(180deg,#1478dc,#0e5db3);border-color:#55adff;box-shadow:0 0 24px rgba(35,128,227,.19)}.flag-toggle.active i{background:#62b8ff}.flag-toggle.active i:after{left:19px;background:#fff}.control-hints{margin-top:17px;border-top:1px solid var(--line)}.control-hints p{display:grid;grid-template-columns:27px 1fr;gap:8px;margin:0;padding:12px 0;border-bottom:1px solid rgba(144,184,230,.08);font-size:9px;line-height:1.55;color:#748ca5}.control-hints b{color:#57aefa}.current-mission h3{margin:7px 0 8px;font-size:19px}.current-mission p{color:#748aa0;font-size:10px;line-height:1.7}.mission-line{margin-top:14px;padding-top:13px;border-top:1px solid var(--line);display:flex;justify-content:space-between;font-size:9px;color:#6c8298}.mission-line b{color:#f2f7ff}
.primary-btn,.secondary-btn{border-radius:10px;padding:12px 17px;cursor:pointer;font-weight:800;border:1px solid var(--line)}.primary-btn{background:linear-gradient(180deg,#3198ff,#176fdc);border-color:transparent;color:#fff;box-shadow:0 10px 26px rgba(24,116,225,.2)}.secondary-btn{background:#0b1826;color:#aac0d7}.primary-btn.full{width:100%;margin-top:12px}
.modal{position:fixed;inset:0;z-index:70;background:rgba(2,6,11,.78);backdrop-filter:blur(14px);display:grid;place-items:center;padding:20px;opacity:0;pointer-events:none;transition:.2s}.modal.show{opacity:1;pointer-events:auto}.modal-card{position:relative;width:min(470px,100%);max-height:min(90vh,850px);overflow:auto;border:1px solid rgba(121,179,240,.22);border-radius:20px;background:linear-gradient(180deg,#0d1a2a,#08121e);box-shadow:0 35px 100px rgba(0,0,0,.55);padding:28px;transform:translateY(12px) scale(.985);transition:.2s}.modal.show .modal-card{transform:none}.wide-modal .modal-card{width:min(920px,100%)}.modal-close{position:absolute;right:16px;top:13px;width:34px;height:34px;border:1px solid var(--line);border-radius:9px;background:#081421;color:#8095aa;font-size:22px;cursor:pointer}.modal-brand{display:flex;align-items:baseline;gap:4px;font-size:19px;font-weight:950;font-style:italic;margin-bottom:18px}.modal-brand b{color:var(--blue2)}.auth-tabs{display:flex;gap:6px;padding:4px;border:1px solid var(--line);background:#07121e;border-radius:11px;margin-bottom:21px}.auth-tab,.rank-tab{flex:1;border:0;border-radius:8px;background:transparent;color:#71879d;padding:10px;cursor:pointer;font-size:11px;font-weight:800}.auth-tab.active,.rank-tab.active{background:#122943;color:#dcecff}.auth-form{display:none}.auth-form.active{display:block}.auth-form h2,.profile-card h2,.ranking-card h2,.how-card h2{margin:5px 0 16px;font-size:28px}.auth-form label,.profile-form label{display:block;color:#8fa3b8;font-size:10px;margin:12px 0 6px}.auth-form input,.profile-form input,.ranking-controls select{width:100%;border:1px solid var(--line);background:#06101a;color:#fff;border-radius:10px;padding:12px 13px}.form-message{min-height:18px;font-size:10px;color:#7990a8}.form-message.error{color:#ff7b86}.form-message.success{color:#6ce59a}.ranking-controls{display:flex;align-items:center;justify-content:space-between;gap:12px}.auth-tabs.compact{margin:0}.ranking-controls select{width:auto;min-width:210px}.ranking-note{margin:13px 0;color:#6f849a;font-size:10px}.ranking-table-wrap{overflow:auto;border:1px solid var(--line);border-radius:12px}.ranking-table{border-collapse:collapse;width:100%;min-width:630px}.ranking-table th,.ranking-table td{padding:11px 12px;text-align:left;border-bottom:1px solid rgba(142,183,230,.08);font-size:10px}.ranking-table th{color:#667d94;background:#07131f}.ranking-table td small{display:block;color:#62778c;margin-top:3px}.ranking-table tr:last-child td{border-bottom:0}.empty-row{text-align:center!important;color:#698096!important;padding:28px!important}.profile-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:15px 0}.profile-stats div{padding:13px;border:1px solid var(--line);border-radius:11px;background:#07131f}.profile-stats span{display:block;color:#70869c;font-size:9px}.profile-stats b{display:block;margin-top:7px}.profile-form{display:grid;grid-template-columns:1fr 1fr;gap:11px}.profile-form label:first-child{grid-column:1/-1}.profile-form .primary-btn{align-self:end;height:42px}.profile-divider{height:1px;background:var(--line);margin:20px 0}.profile-form.two-col label:first-child{grid-column:auto}.profile-form.two-col .secondary-btn{align-self:end;height:42px}.result-card{text-align:center}.result-icon{width:64px;height:64px;border-radius:17px;display:grid;place-items:center;margin:0 auto 17px;font-size:29px;font-weight:900}.result-icon.win{background:rgba(58,164,255,.13);border:1px solid rgba(76,169,255,.3);color:#66bdff}.result-icon.lose{background:rgba(255,85,101,.11);border:1px solid rgba(255,95,109,.25);color:#ff6b78}.result-card h2{margin:4px 0 12px}.stars{height:32px;margin:5px 0 12px;font-size:25px;letter-spacing:5px;color:#344459}.stars .on{color:var(--gold)}.result-time{display:flex;justify-content:space-between;padding:13px;border:1px solid var(--line);border-radius:10px;background:#07131f}.result-time span{color:#71879d;font-size:10px}.result-card p{color:#788da2;font-size:11px}.modal-actions{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:18px}.how-list{display:grid;gap:8px;margin:18px 0}.how-list div{display:grid;grid-template-columns:34px 1fr;gap:10px;border:1px solid var(--line);background:#07131f;border-radius:10px;padding:11px}.how-list b{color:#5baeff;font-size:10px}.how-list p{margin:0;color:#8599ae;font-size:10px;line-height:1.65}.toast{position:fixed;z-index:90;left:50%;bottom:28px;transform:translate(-50%,20px);opacity:0;pointer-events:none;background:#102238;border:1px solid rgba(89,159,231,.32);color:#e9f4ff;border-radius:10px;padding:11px 15px;font-size:10px;box-shadow:0 15px 40px rgba(0,0,0,.35);transition:.2s}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:1150px){.main-nav{display:none}.header-inner{grid-template-columns:auto 1fr}.top-actions{justify-self:end}.hero-section{grid-template-columns:1fr 470px}.rules-strip{grid-template-columns:1fr repeat(2,1fr)}.rules-title{grid-row:span 2}.rule-item:nth-child(3){border-right:0}.content-grid{grid-template-columns:1fr}.side-column{grid-template-columns:1fr 1fr}.game-layout{grid-template-columns:1fr}.game-side{grid-template-columns:1fr 1fr}.board-scroll{min-height:520px}}
@media(max-width:780px){.site-header{position:sticky}.header-inner{width:calc(100% - 22px);height:64px;gap:10px}.brand-word,.brand-number{font-size:20px}.top-actions{gap:6px}.language-form select{min-width:95px;padding-left:27px;padding-right:21px;font-size:10px}.language-icon{left:9px}.header-auth,.header-logout{padding:9px 10px;font-size:10px}.site-main{width:calc(100% - 20px)}.hero-section{min-height:auto;margin:0 calc(50% - 50vw);padding:28px 16px 24px;grid-template-columns:1fr;gap:12px}.hero-copy{padding-top:5px}.hero-kicker{margin-bottom:12px}.hero-copy h1{font-size:clamp(36px,12vw,54px);max-width:530px}.hero-copy p{font-size:12px;line-height:1.75;margin-top:15px}.hero-actions{margin-top:20px}.primary-cta,.secondary-cta{height:49px;padding:0 17px;font-size:11px}.hero-user{margin-top:17px}.hero-visual{height:250px;margin-top:0}.hero-grid{left:6%;right:6%;bottom:16px;gap:5px}.demo-cell{font-size:19px;border-radius:6px}.mine-orb{width:84px;height:84px;right:17%;top:6px}.mine-orb i{width:13px;height:38px;left:33px;top:-23px}.mine-orb i:nth-child(2){left:76px;top:22px}.mine-orb i:nth-child(3){top:67px}.mine-orb i:nth-child(4){left:-6px;top:23px}.mine-orb:before{inset:21px}.mine-orb:after{inset:33px}.hero-slogan{font-size:9px;top:67px}.progress-ring{width:66px;height:66px;bottom:0}.progress-ring span{font-size:14px}.rules-strip{margin:0 calc(50% - 50vw);padding:0 16px;display:grid;grid-template-columns:1fr 1fr}.rules-title{grid-column:1/-1;grid-row:auto;min-height:auto;padding:20px 0 13px;border-right:0;border-bottom:1px solid var(--line)}.rule-item{min-height:100px;padding:16px 11px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.rule-item:nth-child(odd){border-right:0}.rule-item:last-child{border-bottom:0}.rule-icon{width:36px;height:36px;flex-basis:36px;font-size:14px}.rule-item b{font-size:10px}.rule-item p{font-size:9px}.content-grid{margin-top:10px}.levels-panel{padding:13px}.panel-heading{align-items:flex-start}.panel-heading h2{font-size:20px}.panel-heading p{display:none}.level-grid{grid-template-columns:repeat(3,1fr);gap:7px}.level-card{min-height:104px;padding:11px}.level-no{font-size:24px}.level-info{margin-top:10px}.level-info strong{font-size:10px}.level-info small{font-size:8px}.level-status{right:9px;top:9px;font-size:8px}.level-best{left:11px;bottom:8px}.side-column{grid-template-columns:1fr}.home-rules-copy-card{grid-template-columns:1fr;gap:10px;padding:18px}.device-banner{grid-template-columns:1fr;gap:15px;padding:20px}.device-icons{justify-content:flex-start}.device-banner .primary-cta{justify-self:stretch}.game-page-head{padding:16px 0 10px}.level-meta h2{font-size:20px}.outline-btn span{display:none}.game-main-card{padding:9px;border-radius:14px}.game-stats{grid-template-columns:repeat(4,1fr);gap:5px}.stat-card{min-height:60px;padding:8px}.stat-card span{font-size:7px}.stat-card strong{font-size:15px}.board-topline{padding:0 9px}.board-scroll{min-height:calc(100vh - 330px);padding:10px 4px;align-items:center}.mine-board{gap:2px;padding:4px}.game-side{grid-template-columns:1fr}.play-controls{position:sticky;bottom:8px;z-index:8;padding:10px;background:rgba(8,19,31,.95);backdrop-filter:blur(14px)}.play-controls>.eyebrow,.control-hints{display:none}.flag-toggle{height:54px;margin-top:0}.current-mission{display:none}.mobile-tip{font-size:8px}.profile-form{grid-template-columns:1fr}.profile-form label:first-child,.profile-form.two-col label:first-child{grid-column:auto}.modal{padding:10px}.modal-card{padding:22px 16px;border-radius:16px}.ranking-controls{align-items:stretch;flex-direction:column}.ranking-controls select{width:100%}.profile-stats{gap:5px}.profile-stats div{padding:9px}.auth-form h2,.profile-card h2,.ranking-card h2,.how-card h2{font-size:24px}}
@media(max-width:470px){.header-inner{width:calc(100% - 16px)}.brand-word,.brand-number{font-size:18px}.language-form select{min-width:82px;width:82px}.header-auth{max-width:88px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.hero-section{padding-left:12px;padding-right:12px}.hero-copy h1{font-size:38px}.hero-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}.primary-cta,.secondary-cta{padding:0 10px}.hero-grid{left:3%;right:3%}.rules-strip{padding:0 12px}.rule-item{display:block}.rule-icon{margin-bottom:8px}.level-grid{grid-template-columns:repeat(2,1fr)}.panel-heading{display:block}.progress-copy{margin-top:8px}.game-stats{grid-template-columns:repeat(2,1fr)}.board-scroll{min-height:440px}.home-rules-copy-card p{font-size:10px}.modal-actions{grid-template-columns:1fr}.profile-stats{grid-template-columns:1fr 1fr 1fr}}

/* ===== MINE 25 v8 — mockup-matched official game UI ===== */
:root{
  --v8-bg:#040a12;--v8-panel:#08131f;--v8-panel2:#0b1826;--v8-line:rgba(117,168,226,.18);
  --v8-blue:#2d93ff;--v8-blue2:#68bdff;--v8-text:#f5f8ff;--v8-muted:#91a2b5;
}
body{background:#040a12;color:var(--v8-text);letter-spacing:.01em}
.page-noise{opacity:.08;background-size:44px 44px}.ambient{opacity:.1}
.site-header{position:sticky;height:58px;background:rgba(3,9,16,.94);border-bottom:1px solid rgba(106,156,212,.2);backdrop-filter:blur(20px)}
.header-inner{width:min(1360px,calc(100% - 48px));height:58px;gap:38px}
.brand{letter-spacing:-.045em}.brand-word,.brand-number{font-size:28px;line-height:1}.brand-word{color:#f4f7fb}.brand-number{color:#3aa2ff;margin-left:7px}
.main-nav{gap:12px}.nav-link{font-size:13px;padding:0 15px;color:#c1cad5}.nav-link:after{height:2px;left:13px;right:13px;box-shadow:0 0 12px rgba(52,151,255,.65)}
.top-actions{gap:9px}.language-form{height:38px;border-radius:9px;background:#07111d;border-color:rgba(108,164,226,.35)}
.language-form select{min-width:104px;padding:9px 28px 9px 31px;font-size:12px;font-weight:700}.language-form:after{top:8px}
.header-auth,.header-logout{height:38px;min-width:92px;padding:0 18px;border-radius:8px;font-size:12px;box-shadow:none}
.header-auth{background:linear-gradient(180deg,#2c91ff,#156ed9);border-color:#57acff;box-shadow:0 0 22px rgba(39,140,255,.18)}
.mobile-menu-btn{display:none;width:38px;height:38px;border:1px solid rgba(108,164,226,.3);border-radius:9px;background:#07111d;color:#dcecff;font-size:18px;cursor:pointer}
.site-main{width:min(1360px,calc(100% - 48px));padding-bottom:0}
.surface-card{border-radius:10px;background:linear-gradient(180deg,rgba(10,22,35,.98),rgba(6,14,23,.98));border-color:var(--v8-line);box-shadow:0 18px 60px rgba(0,0,0,.18)}
.eyebrow,.hero-kicker{font-size:10px;letter-spacing:.18em;color:#a3b7cd}

/* Hero: match the desktop concept image */
.hero-section{min-height:358px;margin:0 calc(50% - 50vw);padding:0 max(48px,calc((100vw - 1360px)/2 + 24px));grid-template-columns:48% 52%;gap:0;border-bottom:1px solid rgba(107,159,216,.18);background:linear-gradient(90deg,#050d17 0%,#07111d 48%,#06111e 100%)}
.hero-section:before{background:linear-gradient(90deg,rgba(3,9,16,.1) 0%,rgba(3,9,16,.15) 42%,rgba(3,9,16,.04) 100%)}
.hero-copy{padding:42px 0 34px;align-self:center}.hero-kicker{margin-bottom:17px;color:#aebfd1}
.hero-copy h1{font-size:clamp(42px,4.2vw,62px);line-height:1.04;letter-spacing:-.045em;max-width:650px;text-shadow:0 2px 28px rgba(70,151,240,.15)}
.hero-copy p{max-width:570px;margin-top:16px;font-size:15px;line-height:1.7;color:#c0cad5}
.hero-actions{margin-top:22px;gap:14px}.primary-cta,.secondary-cta{height:52px;border-radius:9px;padding:0 24px;font-size:14px}
.primary-cta{background:linear-gradient(180deg,#349cff,#1574e8);border:1px solid #55aeff;box-shadow:0 0 20px rgba(43,145,255,.21),0 12px 28px rgba(0,0,0,.22)}
.secondary-cta{border-color:rgba(162,198,237,.46);background:rgba(5,14,24,.68)}
.hero-microcopy{margin-top:20px;color:#7b8da1;font-size:10px;letter-spacing:.12em}
.hero-visual{height:358px;align-self:stretch;background-image:linear-gradient(90deg,#07111d 0,rgba(7,17,29,.42) 16%,rgba(7,17,29,0) 40%),url('../img/hero-mine-clean.jpg');background-size:cover;background-position:center center;filter:saturate(.96) contrast(1.04)}
.hero-grid,.mine-orb,.hero-slogan,.progress-ring{display:none!important}

/* Quick rule strip */
.rules-strip{grid-template-columns:165px repeat(4,1fr);margin:0 calc(50% - 50vw);padding:0 max(48px,calc((100vw - 1360px)/2 + 24px));background:#06101a;border-color:rgba(106,157,212,.16)}
.rules-title,.rule-item{min-height:108px;padding:19px 18px}.rules-title{padding-left:0}.rules-title h2{font-size:19px;margin:4px 0}.text-link{font-size:9px}.rule-item{gap:14px}.rule-icon{width:48px;height:48px;flex-basis:48px;border-color:rgba(60,148,245,.62);box-shadow:0 0 18px rgba(45,139,241,.08);font-size:18px}
.rule-item b{font-size:12px}.rule-item p{font-size:9px;line-height:1.58;color:#8999aa}

/* Home lower panels: 3-column layout like the visual */
.content-grid{grid-template-columns:minmax(520px,1.42fr) minmax(350px,1.02fr) minmax(300px,.9fr);gap:14px;margin-top:14px;align-items:stretch}
.side-column{display:contents}.levels-panel,.ranking-preview,.member-preview{padding:15px 16px;min-width:0}
.panel-heading{margin-bottom:13px}.panel-heading h2{font-size:20px;margin-top:3px}.panel-heading p{font-size:10px;margin-top:4px}.progress-copy{font-size:10px;padding:8px 10px;border:1px solid var(--v8-line);border-radius:8px;color:#a4b4c7}
.level-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;max-height:286px;overflow:auto;padding-right:3px;scrollbar-width:thin;scrollbar-color:#244d79 transparent}
.level-card{position:relative;min-height:126px;border-radius:8px;padding:12px;overflow:hidden;background:linear-gradient(180deg,rgba(10,25,41,.45),rgba(5,13,22,.9)),url('../img/level-tile.jpg') center/cover;border:1px solid rgba(118,169,226,.4)}
.level-card:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(71,127,188,.08),rgba(3,11,19,.58));pointer-events:none}.level-card>*{position:relative;z-index:1}
.level-card:not(.locked):hover{transform:translateY(-2px);border-color:#4ca7ff;box-shadow:0 0 20px rgba(45,144,246,.2)}
.level-card.cleared{border-color:#449dff;box-shadow:inset 0 0 0 1px rgba(82,167,255,.16)}.level-card.locked{filter:saturate(.35);opacity:.65}
.level-no{font-size:27px;text-shadow:0 2px 12px rgba(0,0,0,.4)}.level-info{margin-top:26px}.level-info strong{font-size:10px}.level-info small{font-size:8px}.level-status{font-size:9px;color:#ffd25d}.level-best{font-size:8px;color:#7e92a8}
.ranking-preview{grid-column:2}.member-preview{grid-column:3}.ranking-preview .panel-heading h2{color:#7be29b}.mini-action{border-radius:7px;font-size:9px}.ranking-preview-head,.ranking-row{grid-template-columns:34px 1fr 80px 54px}.ranking-preview-head{font-size:8px}.ranking-row{min-height:34px;font-size:9px}.ranking-row .place{font-weight:900;color:#7e93aa}.ranking-row.top .place{color:#ffd156}.ranking-row .stars{color:#ffd25d}
.member-preview{background:linear-gradient(180deg,#0d1b2c,#08131f)}.profile-hero-row{padding:13px;border:1px solid var(--v8-line);border-radius:9px;background:#0b1928}.avatar-orb,.game-avatar{background:url('../img/profile-avatar.jpg') center/cover!important;color:transparent!important;border:1px solid #8bc9ff!important}
.profile-mini-stats{gap:7px}.profile-mini-stats div{border:1px solid var(--v8-line);border-radius:8px;background:#0b1928;padding:12px 8px}.profile-mini-stats span{font-size:8px}.profile-mini-stats b{font-size:15px}
.member-preview.guest .guest-mark{background:linear-gradient(135deg,#1d7cd8,#62bcff)}
.home-rules-copy-card{display:none}
.device-banner{margin:14px calc(50% - 50vw) 0;padding:26px max(48px,calc((100vw - 1360px)/2 + 24px));border-top:1px solid rgba(107,160,218,.17);border-bottom:0;background:linear-gradient(90deg,rgba(3,9,16,.88),rgba(4,12,21,.7)),url('../img/footer-mountain.jpg') center/cover;min-height:130px}
.device-banner h2{font-size:20px}.device-banner p{font-size:10px;color:#b1bfcc}.device-icons span{color:#edf6ff}.device-icons small{color:#a5b4c6}

/* Game page desktop */
.game-page-head{min-height:112px;margin:0 calc(50% - 50vw);padding:20px max(48px,calc((100vw - 1360px)/2 + 24px));background:linear-gradient(90deg,rgba(4,11,19,.94),rgba(5,14,24,.68)),url('../img/hero-mine-clean.jpg') center 58%/cover;border-bottom:1px solid var(--v8-line)}
.game-page-head .level-meta h2{font-size:28px;text-shadow:0 2px 14px #000}.icon-btn,.outline-btn{border-radius:8px;background:rgba(5,15,26,.76);border-color:rgba(121,179,241,.34)}
.game-player-card{display:grid;grid-template-columns:56px 1fr auto;align-items:center;gap:12px;max-width:620px;margin:14px 0;padding:12px 14px}.game-avatar{width:48px;height:48px;border-radius:50%}.game-player-info span,.game-player-info small{display:block;color:#7990a7;font-size:9px}.game-player-info strong{display:block;font-size:15px;margin:2px 0}.game-rank-chip{padding-left:14px;border-left:1px solid var(--v8-line);display:grid;grid-template-columns:auto auto;gap:0 6px;align-items:center}.game-rank-chip span{color:#ffd45d;font-size:18px}.game-rank-chip b{font-size:18px}.game-rank-chip small{grid-column:1/-1;color:#7e93a7;font-size:8px}
.game-layout{grid-template-columns:minmax(0,1fr) 310px;gap:14px}.game-main-card{padding:14px}.game-stats{gap:0;border:1px solid rgba(87,157,228,.42);border-radius:12px;overflow:hidden;margin-bottom:12px}.stat-card{border:0;border-right:1px solid rgba(92,153,218,.26);border-radius:0;background:linear-gradient(180deg,#0c1b2b,#091522);min-height:78px}.stat-card:last-child{border-right:0}.stat-card span{font-size:9px}.stat-card strong{font-size:22px}.board-frame{border-color:rgba(93,160,231,.29);background:#06101a;border-radius:13px}.board-topline{min-height:38px}.board-scroll{min-height:570px;padding:22px;background:radial-gradient(circle at 50% 40%,rgba(36,112,190,.13),transparent 48%),#050c14}
.mine-board{gap:5px;padding:9px;border-radius:12px;background:#050b12;border-color:rgba(114,169,230,.18)}
.cell{border-radius:max(5px,calc(var(--cell-size)*.12));border-color:rgba(151,194,241,.36);background:linear-gradient(145deg,#2a425f 0,#1b3048 54%,#102337 100%);box-shadow:inset 0 1px 0 rgba(255,255,255,.18),inset 0 -8px 13px rgba(0,0,0,.25),0 3px 8px rgba(0,0,0,.18)}
.cell.revealed{background:linear-gradient(145deg,#142235,#0b1623);border-color:rgba(115,164,219,.23)}.cell.flagged{font-size:calc(var(--cell-size)*.58);color:#ff3e50}.cell.mine{color:#ff5e67}.cell.paused{filter:blur(3px) brightness(.45);pointer-events:none}
.play-controls,.current-mission{padding:16px}.mobile-control-row{display:grid;grid-template-columns:1fr;gap:8px}.square-control{display:none}.flag-toggle{margin-top:6px}.current-mission{background:linear-gradient(180deg,#0c1b2a,#08131f)}

/* Modal refinement */
.modal-card{border-radius:14px;background:linear-gradient(180deg,#0b1827,#07111c);border-color:rgba(109,167,230,.28)}
.auth-tab.active,.rank-tab.active{background:linear-gradient(180deg,#1e75c9,#15599f)}

@media(max-width:1180px){
  .content-grid{grid-template-columns:1.35fr 1fr}.side-column{display:grid;grid-template-columns:1fr;grid-column:2}.ranking-preview,.member-preview{grid-column:auto}.hero-section{grid-template-columns:46% 54%}.rules-strip{grid-template-columns:150px repeat(2,1fr)}.rules-title{grid-row:span 2}.rule-item:nth-child(3){border-right:0}.game-layout{grid-template-columns:1fr}.game-side{grid-template-columns:1fr 1fr}
}

@media(max-width:800px){
  .site-header{height:64px}.header-inner{height:64px;width:calc(100% - 24px);gap:8px;grid-template-columns:auto 1fr auto}.brand-word,.brand-number{font-size:22px}.mobile-menu-btn{display:grid;place-items:center}.top-actions{gap:6px}.main-nav{display:none;position:absolute;left:12px;right:12px;top:61px;height:auto;padding:8px;border:1px solid rgba(98,159,224,.3);border-radius:12px;background:#08131f;box-shadow:0 20px 50px rgba(0,0,0,.45);z-index:50}.main-nav.mobile-open{display:grid}.nav-link{height:44px;text-align:left;padding:0 14px;border-radius:7px}.nav-link:after{display:none}.nav-link.active{background:#0d2238}.header-inner>.main-nav{grid-column:auto}.language-form{height:38px}.language-form select{width:84px;min-width:84px;font-size:10px;padding-left:29px}.header-auth,.header-logout{display:none}.site-main{width:calc(100% - 20px)}
  .hero-section{min-height:auto;margin:0 calc(50% - 50vw);padding:0 14px 20px;display:flex;flex-direction:column}.hero-copy{order:2;padding:20px 0 0}.hero-visual{order:1;width:100%;height:200px;margin:0;background-position:center 60%;border-radius:0 0 16px 16px}.hero-copy h1{font-size:40px;line-height:1.03}.hero-copy p{font-size:12px;line-height:1.7}.hero-actions{display:grid;grid-template-columns:1.1fr .9fr;margin-top:18px}.primary-cta,.secondary-cta{height:49px;padding:0 12px;font-size:11px}.hero-microcopy{display:none}
  .rules-strip{margin:0 calc(50% - 50vw);padding:0 14px;grid-template-columns:1fr 1fr}.rules-title{grid-column:1/-1;grid-row:auto;min-height:68px;padding:17px 0;border-right:0;border-bottom:1px solid var(--v8-line)}.rule-item{min-height:108px;padding:14px 10px;display:block}.rule-item:nth-child(odd){border-right:0}.rule-icon{width:39px;height:39px;margin-bottom:9px}.rule-item b{font-size:10px}.rule-item p{font-size:8.5px}
  .content-grid{grid-template-columns:1fr;margin-top:10px}.side-column{display:grid;grid-template-columns:1fr}.levels-panel,.ranking-preview,.member-preview{grid-column:auto;padding:13px}.level-grid{grid-template-columns:repeat(3,1fr);max-height:356px}.level-card{min-height:105px}.level-no{font-size:24px}.panel-heading p{display:block}.device-banner{margin-top:10px;padding:22px 14px;grid-template-columns:1fr;background-position:center}.device-icons{justify-content:flex-start}

  /* Mobile game screen, matched to approved phone concept */
  #gameScreen{padding-bottom:28px}.game-page-head{min-height:170px;margin:0 calc(50% - 50vw);padding:18px 14px;grid-template-columns:auto 1fr auto;align-items:end;background:linear-gradient(180deg,rgba(3,9,16,.08) 0%,rgba(3,9,16,.32) 40%,rgba(3,9,16,.92) 100%),url('../img/hero-mine-clean.jpg') center/cover}.game-page-head .icon-btn,.game-page-head .outline-btn{align-self:start}.game-page-head .level-meta{align-self:end}.game-page-head .level-meta h2{font-size:28px;max-width:250px}.game-player-card{margin:12px 0;padding:11px 12px;grid-template-columns:48px 1fr auto;border-color:rgba(76,160,247,.53)}.game-avatar{width:44px;height:44px}.game-player-info strong{font-size:15px}.game-rank-chip{padding-left:10px}
  .game-layout{display:flex;flex-direction:column;gap:10px}.game-main-card{order:1;padding:0;border:0;background:transparent;box-shadow:none}.game-stats{margin:0 0 10px;border-color:rgba(68,158,248,.64);border-radius:12px}.stat-card{min-height:74px;padding:8px;text-align:center;align-items:center}.stat-card span{font-size:7px}.stat-card strong{font-size:19px}.board-frame{border-radius:13px;border-color:rgba(78,160,244,.43);background:#07111c}.board-topline{display:none}.board-scroll{min-height:auto;padding:9px 5px;background:#07111c;overflow:auto}.mine-board{gap:4px;padding:6px;background:#07101a;border-color:rgba(87,164,242,.2)}
  .cell{border-color:rgba(153,200,249,.43);background:linear-gradient(145deg,#314961,#203850 58%,#152b40);box-shadow:inset 0 1px 0 rgba(255,255,255,.2),inset 0 -8px 13px rgba(0,0,0,.25),0 2px 6px rgba(0,0,0,.24)}.cell.revealed{background:linear-gradient(145deg,#182b40,#0e1c2b);border-color:rgba(122,174,228,.28)}
  .game-side{order:2;display:block}.play-controls{position:static;margin:0;padding:0;border:0;background:transparent;box-shadow:none}.play-controls>.eyebrow,.control-hints{display:none}.mobile-control-row{display:grid;grid-template-columns:92px minmax(0,1fr) 92px;gap:8px}.square-control{display:flex;min-height:65px;border:1px solid rgba(92,166,241,.48);border-radius:12px;background:linear-gradient(180deg,#0d2034,#091725);color:#e8f3ff;align-items:center;justify-content:center;flex-direction:column;gap:3px;cursor:pointer}.square-control b{font-size:22px}.square-control small{font-size:9px}.square-control.active{border-color:#5caeff;background:#12365d}.flag-toggle{height:65px;margin:0;border-radius:12px;grid-template-columns:33px 1fr 42px;background:linear-gradient(180deg,#2189f4,#0e6acc);box-shadow:0 0 22px rgba(37,139,243,.24)}.flag-toggle .flag-symbol{font-size:21px;color:#fff}.flag-toggle i{background:rgba(255,255,255,.23)}.flag-toggle i:after{background:#fff}.current-mission{display:block;margin-top:9px;padding:13px;border-radius:12px}.current-mission .eyebrow{display:none}.current-mission h3{font-size:12px;margin:0 0 5px;padding-left:29px;position:relative}.current-mission h3:before{content:'💡';position:absolute;left:0;top:-2px}.current-mission p{font-size:9px;margin:0;padding-left:29px}.mission-line{display:none}
  .mobile-tip{display:none}
}

@media(max-width:480px){
  .header-inner{width:calc(100% - 16px)}.brand-word,.brand-number{font-size:20px}.mobile-menu-btn{width:36px;height:36px}.language-form select{width:78px;min-width:78px}.hero-visual{height:175px}.hero-copy h1{font-size:35px}.hero-copy p{font-size:11px}.hero-actions{gap:7px}.primary-cta,.secondary-cta{font-size:10px}.rules-strip{padding:0 10px}.content-grid{margin-left:-1px;margin-right:-1px}.level-grid{grid-template-columns:repeat(2,1fr);max-height:430px}.panel-heading{display:flex}.panel-heading p{display:none}.device-icons{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.device-icons span{font-size:16px}.device-icons small{font-size:8px}.game-page-head{min-height:154px;padding-left:10px;padding-right:10px}.game-page-head .level-meta h2{font-size:23px}.game-player-card{grid-template-columns:42px 1fr auto}.game-avatar{width:40px;height:40px}.game-player-info span{display:none}.game-rank-chip small{display:none}.game-stats{grid-template-columns:repeat(4,1fr)}.stat-card{min-height:68px;padding:6px}.stat-card strong{font-size:16px}.mobile-control-row{grid-template-columns:76px minmax(0,1fr) 76px;gap:6px}.square-control{min-height:60px}.square-control b{font-size:20px}.flag-toggle{height:60px;padding:0 8px;grid-template-columns:25px 1fr 34px}.flag-toggle i{width:32px;height:20px}.flag-toggle i:after{width:14px;height:14px}.flag-toggle.active i:after{left:15px}.flag-symbol{font-size:18px}.flag-toggle span:nth-child(2){font-size:9px}
}

/* v9 visual fixes: hero blending + clean language dropdown */
.language-form{
  overflow:hidden;
  border-color:rgba(118,185,255,.58)!important;
  background:linear-gradient(180deg,rgba(10,24,38,.98),rgba(7,17,28,.98))!important;
  box-shadow:0 10px 26px rgba(0,0,0,.22),inset 0 0 0 1px rgba(255,255,255,.03);
}
.language-form:focus-within{
  border-color:#6bc1ff!important;
  box-shadow:0 0 0 3px rgba(67,165,255,.18),0 10px 26px rgba(0,0,0,.24);
}
.language-form .language-icon{
  color:#ffffff;
}
.language-form select{
  min-width:136px!important;
  color:#ffffff!important;
  font-weight:800!important;
  letter-spacing:.02em;
  text-shadow:none;
}
.language-form select option{
  color:#ffffff;
  background:#0b1727;
}
.language-form:after{
  color:#8fd0ff!important;
}

.hero-section{
  background:
    linear-gradient(90deg,rgba(4,10,18,.98) 0%,rgba(4,10,18,.96) 26%,rgba(4,10,18,.82) 44%,rgba(4,10,18,.44) 61%,rgba(4,10,18,.14) 100%),
    radial-gradient(circle at 74% 38%,rgba(57,132,231,.20),transparent 28%),
    url('../img/hero-mine-v9.jpg') right center/cover no-repeat !important;
  gap:28px!important;
}
.hero-section:before{
  background:linear-gradient(180deg,rgba(255,255,255,.025),rgba(255,255,255,0))!important;
}
.hero-copy{
  max-width:620px;
}
.hero-visual{
  background:none!important;
  filter:none!important;
  opacity:0;
}

.game-page-head{
  background:
    linear-gradient(90deg,rgba(4,11,19,.95),rgba(5,14,24,.72),rgba(5,14,24,.40)),
    url('../img/hero-mine-v9.jpg') center 54%/cover no-repeat !important;
}

@media(max-width:800px){
  .language-form select{width:98px!important;min-width:98px!important;font-size:11px!important;}
  .hero-section{
    background:linear-gradient(180deg,#07111d 0%,#050d16 100%)!important;
    gap:10px!important;
  }
  .hero-visual{
    opacity:1;
    width:100%;
    height:220px;
    background-image:linear-gradient(180deg,rgba(6,16,28,.06) 0%,rgba(6,16,28,.22) 45%,rgba(6,16,28,.58) 100%),url('../img/hero-mine-v9.jpg')!important;
    background-size:cover!important;
    background-position:center center!important;
    border-radius:0 0 18px 18px;
  }
  .game-page-head{
    background:linear-gradient(180deg,rgba(3,9,16,.08) 0%,rgba(3,9,16,.32) 40%,rgba(3,9,16,.92) 100%),url('../img/hero-mine-v9.jpg') center/cover no-repeat !important;
  }
}

@media(max-width:480px){
  .language-form select{width:90px!important;min-width:90px!important;}
  .hero-visual{height:190px;}
}

/* v10 cleanup: footer, avatar, level cards */
.avatar-orb,
.game-avatar{
  background:radial-gradient(circle at 32% 28%,#6ed1ff 0%,#317dd8 26%,#163f6e 58%,#0a1a2d 100%) !important;
  color:#ffffff !important;
  border:1px solid rgba(125,196,255,.78) !important;
  box-shadow:0 0 0 3px rgba(46,127,211,.14),0 10px 24px rgba(0,0,0,.24);
  text-shadow:0 2px 12px rgba(0,0,0,.35);
  background-image:none !important;
}
.profile-hero-row{
  background:linear-gradient(180deg,#0d1b2c,#0a1726) !important;
}

.level-card{
  background:linear-gradient(180deg,#112338 0%,#0c1b2d 46%,#091522 100%) !important;
  border:1px solid rgba(118,169,226,.34) !important;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 10px 24px rgba(0,0,0,.14);
}
.level-card:before{
  inset:0 !important;
  height:auto !important;
  background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,0) 26%,rgba(0,0,0,.18) 100%) !important;
  opacity:1 !important;
}
.level-card:after{
  content:"";
  position:absolute;
  left:0; right:0; top:0;
  height:34%;
  background:linear-gradient(180deg,rgba(123,188,255,.16),rgba(123,188,255,.05) 45%,rgba(255,255,255,0) 100%);
  border-bottom:1px solid rgba(152,207,255,.18);
  pointer-events:none;
}
.level-card.locked{opacity:.72 !important;filter:saturate(.7) !important;}
.level-card .level-no,
.level-card .level-info strong,
.level-card .level-info small,
.level-card .level-best,
.level-card .level-status{position:relative;z-index:2;}

.device-banner{
  margin:18px calc(50% - 50vw) 0 !important;
  padding:28px max(48px,calc((100vw - 1360px)/2 + 24px)) !important;
  min-height:156px !important;
  border:1px solid rgba(94,153,215,.24) !important;
  border-radius:18px !important;
  overflow:hidden !important;
  background:
    radial-gradient(circle at 18% 50%,rgba(47,129,219,.22),transparent 26%),
    radial-gradient(circle at 72% 18%,rgba(76,154,235,.14),transparent 22%),
    linear-gradient(105deg,#08131f 0%,#0a1725 55%,#091320 100%) !important;
}
.device-banner:before{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(180deg,rgba(255,255,255,.02),rgba(255,255,255,0) 30%),
    linear-gradient(120deg,transparent 0 56%,rgba(112,173,235,.07) 57% 59%,transparent 60% 100%);
  pointer-events:none;
}
.device-banner h2{font-size:24px !important;}
.device-banner p{font-size:12px !important;color:#a7bacf !important;max-width:560px;line-height:1.8;}
.device-icons{gap:20px !important;}
.device-icons span{
  min-width:78px;
  padding:8px 10px;
  border:1px solid rgba(116,178,238,.16);
  border-radius:12px;
  background:rgba(10,21,34,.42);
}
.device-icons small{margin-top:8px !important;font-size:9px !important;color:#d7e7f6 !important;opacity:.92;}
.device-banner .primary-cta{
  min-width:190px;
  justify-self:end;
  box-shadow:0 14px 32px rgba(29,123,230,.22);
}

@media(max-width:800px){
  .device-banner{
    margin-top:14px !important;
    padding:20px 14px !important;
    min-height:auto !important;
    grid-template-columns:1fr !important;
    gap:14px !important;
  }
  .device-banner h2{font-size:20px !important;}
  .device-banner p{font-size:11px !important;}
  .device-icons{
    display:grid !important;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:10px !important;
    width:100%;
  }
  .device-icons span{min-width:0;padding:10px 6px;}
  .device-banner .primary-cta{
    min-width:0;
    width:100%;
    justify-self:stretch;
  }
}

/* v14 mobile overflow + guest card comprehensive fix */
.member-preview.guest{
  position:relative;
  overflow:hidden;
  isolation:isolate;
}
.member-preview.guest .guest-mark{
  position:absolute;
  right:14px !important;
  top:14px !important;
  font-size:88px !important;
  line-height:1 !important;
  background:none !important;
  color:rgba(94,168,245,.08) !important;
  opacity:1 !important;
  pointer-events:none !important;
  user-select:none !important;
  z-index:0 !important;
}
.member-preview.guest > *:not(.guest-mark){
  position:relative;
  z-index:1;
}

html,body{
  max-width:100%;
  overflow-x:hidden;
}

@media (max-width: 800px){
  .site-main{
    width:100% !important;
    max-width:100% !important;
    padding-left:12px !important;
    padding-right:12px !important;
    box-sizing:border-box !important;
    overflow-x:hidden !important;
  }
  .site-header,
  .site-main,
  .surface-card,
  .levels-panel,
  .ranking-preview,
  .member-preview,
  .home-rules-copy-card,
  .device-banner,
  .content-grid,
  .level-grid,
  .rules-strip,
  .hero-section{
    max-width:100% !important;
    box-sizing:border-box !important;
  }
  .hero-section,
  .rules-strip,
  .game-page-head{
    margin-left:0 !important;
    margin-right:0 !important;
    border-radius:18px !important;
    overflow:hidden !important;
  }
  .hero-copy h1{
    font-size:clamp(30px,9.5vw,42px) !important;
    line-height:1.05 !important;
    max-width:100% !important;
    word-break:break-word;
  }
  .hero-copy p,
  .rule-item p,
  .member-preview.guest p,
  .device-banner p{
    word-break:break-word;
  }
  .hero-actions{
    display:grid !important;
    grid-template-columns:1fr !important;
    gap:10px !important;
  }
  .primary-cta,
  .secondary-cta,
  .mini-action{
    max-width:100% !important;
    box-sizing:border-box !important;
  }

  .content-grid{
    display:flex !important;
    flex-direction:column !important;
    gap:12px !important;
    margin:12px 0 0 !important;
  }
  .levels-panel,
  .side-column{
    width:100% !important;
    min-width:0 !important;
  }
  .side-column{
    display:grid !important;
    grid-template-columns:1fr !important;
    gap:12px !important;
  }
  .panel-heading,
  .panel-heading.compact{
    display:block !important;
  }
  .progress-copy{margin-top:8px !important;}
  .level-grid{
    grid-template-columns:repeat(2,minmax(0,1fr)) !important;
    gap:8px !important;
    max-height:none !important;
    overflow:visible !important;
  }
  .level-card{
    min-height:116px !important;
    width:100% !important;
  }
  .ranking-preview,
  .member-preview,
  .levels-panel,
  .home-rules-copy-card,
  .device-banner{
    padding:16px !important;
  }
  .ranking-preview-head,
  .ranking-row{
    grid-template-columns:26px minmax(0,1fr) 48px 24px !important;
    gap:6px !important;
  }
  .ranking-row .player,
  .ranking-preview-head span{
    min-width:0;
    overflow:hidden;
    text-overflow:ellipsis;
    white-space:nowrap;
  }

  .member-preview.guest h2{
    font-size:18px !important;
    line-height:1.25 !important;
    max-width:calc(100% - 72px);
  }
  .member-preview.guest p{
    font-size:11px !important;
    line-height:1.7 !important;
    max-width:100% !important;
  }
  .member-preview.guest .guest-mark{
    font-size:76px !important;
    right:10px !important;
    top:12px !important;
  }
  .member-preview.guest .primary-cta{
    width:100% !important;
    margin-top:12px !important;
  }

  .device-banner{
    margin:14px 0 0 !important;
    min-height:auto !important;
    grid-template-columns:1fr !important;
    gap:14px !important;
    border-radius:16px !important;
  }
  .device-icons{
    display:grid !important;
    grid-template-columns:repeat(3,minmax(0,1fr)) !important;
    gap:10px !important;
    width:100% !important;
  }
  .device-icons span{
    min-width:0 !important;
    width:100% !important;
    box-sizing:border-box !important;
  }
  .device-banner .primary-cta{
    width:100% !important;
    justify-self:stretch !important;
  }
}

@media (max-width: 480px){
  .site-main{
    padding-left:10px !important;
    padding-right:10px !important;
  }
  .content-grid{
    margin-left:0 !important;
    margin-right:0 !important;
  }
  .hero-section{padding:22px 12px 18px !important;}
  .hero-copy h1{font-size:34px !important;}
  .hero-copy p{font-size:11px !important;}
  .rules-strip{padding:0 !important;}
  .level-grid{grid-template-columns:repeat(2,minmax(0,1fr)) !important;}
  .level-no{font-size:21px !important;}
  .level-info strong{font-size:10px !important;}
  .member-preview.guest h2{max-width:calc(100% - 60px);}
  .member-preview.guest .guest-mark{
    font-size:64px !important;
    right:10px !important;
    top:14px !important;
  }
  .device-banner h2{font-size:18px !important;line-height:1.25 !important;}
}


/* v15 mobile alignment: quick rules aligns with level section */
@media (max-width: 800px){
  .rules-title{
    padding:20px 16px 13px !important;
  }
  .rules-title .eyebrow,
  .rules-title h2,
  .rules-title .text-link{
    margin-left:0 !important;
  }
  .rule-item{
    padding-left:16px !important;
    padding-right:16px !important;
  }
}

@media (max-width: 480px){
  .rules-title{
    padding-left:16px !important;
    padding-right:16px !important;
  }
}