:root{color-scheme:dark;--bg:#071710;--panel:#10241a;--panel2:#142c20;--panel3:#1a3527;--border:#2c4e3b;--white:#f2fff5;--muted:#a7c5b1;--mint:#97f3bd;--green:#48c983;--gold:#f9d77a;--red:#ff9f9b;--shadow:0 14px 42px #0004;--r:17px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,'Segoe UI',Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;background:radial-gradient(circle at 89% 2%,#143a27 0,#071710 36%,#071710 100%);color:var(--white)}a{color:var(--mint)}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{opacity:.55;cursor:not-allowed}input,select,textarea{background:#0d2118;color:var(--white);border:1px solid #42654f;border-radius:10px;padding:11px 13px;min-height:44px;width:100%;outline:0}input:focus,select:focus,textarea:focus{border-color:var(--mint);box-shadow:0 0 0 3px #77db9b1f}input[type=checkbox]{width:auto;min-height:unset}label{display:grid;gap:7px;color:var(--muted);font-size:.85rem;font-weight:600}select{appearance:auto}h1,h2,h3,h4,p{margin:0}h1{font-size:clamp(1.55rem,2.7vw,2.2rem);letter-spacing:-.035em}h2{font-size:1.12rem;letter-spacing:-.02em}h3{font-size:1rem}.tiny{font-size:.76rem}.small{font-size:.88rem}.muted{color:var(--muted)}.gold{color:var(--gold)}.mint{color:var(--mint)}.red{color:var(--red)}.bold{font-weight:780}.right{text-align:right}.center{text-align:center}.caps{font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;font-weight:760;color:var(--mint)}.nowrap{white-space:nowrap}.boot{margin:15vh auto;text-align:center;display:grid;justify-items:center;gap:10px}.brand-symbol{font-size:3rem;color:var(--gold)}
.shell{display:grid;grid-template-columns:245px minmax(0,1fr);min-height:100vh}.sidebar{background:#0b1d14;border-right:1px solid var(--border);padding:26px 16px;position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:29px}.logo{display:flex;align-items:center;gap:12px;padding:4px 10px}.logo-icon{display:grid;place-items:center;background:linear-gradient(155deg,#305d40,#143724);border:1px solid #528661;border-radius:15px;color:var(--gold);font-size:1.9rem;width:51px;height:51px}.logo strong{font-size:1.28rem;letter-spacing:.095em}.logo span{display:block;color:var(--muted);font-size:.72rem;letter-spacing:.11em}.nav-label{padding:0 15px;margin-bottom:9px;color:#86a991;font-size:.69rem;letter-spacing:.16em;font-weight:750}.nav{display:grid;gap:3px}.nav button{border:none;background:transparent;text-align:left;color:#b8d2c0;border-radius:10px;padding:12px 14px;display:flex;gap:12px;align-items:center;transition:background .1s;font-size:.9rem}.nav button:hover{background:#1d3b2a}.nav button.active{background:linear-gradient(90deg,#24593d,#1a3828);color:#eaffef;border:1px solid #3a7553;padding:11px 13px;font-weight:700}.nav .ico{width:19px;text-align:center;font-size:1rem;color:var(--mint)}.side-bottom{margin-top:auto;border:1px solid #386249;padding:15px;border-radius:13px;background:#123021}.side-bottom b{color:var(--gold)}.main{padding:28px clamp(18px,4vw,54px) 70px;max-width:1650px;width:100%;margin:0 auto;min-width:0}.top{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-bottom:30px}.top-start{display:flex;gap:13px;align-items:center}.eyebrow{display:block;text-transform:uppercase;color:var(--mint);font-size:.72rem;letter-spacing:.16em;font-weight:750;margin-bottom:8px}.top-right{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.user-chip{padding:9px 12px;border:1px solid var(--border);background:var(--panel);border-radius:99px;font-size:.81rem;color:var(--white);max-width:220px}.pill{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:99px;font-size:.73rem;font-weight:720;background:#28523a;color:var(--mint)}.pill.gold{background:#4b3b1d;color:var(--gold)}.pill.red{background:#4a2929;color:var(--red)}.pill.gray{background:#324139;color:#d0e7d7}.pill.pending{background:#4c431f;color:var(--gold)}.pill.approved{background:#204b33;color:var(--mint)}.pill.rejected,.pill.disputed{background:#4a2a2a;color:var(--red)}.local-warning{background:#4c411f;color:#ffe49c;border:1px solid #8a7130;font-size:.77rem;padding:8px 11px;border-radius:10px}.card,.metric,.hero{border:1px solid var(--border);background:linear-gradient(180deg,#132b1e 0%,#0e2118 100%);border-radius:var(--r);box-shadow:var(--shadow)}.card{padding:21px}.card-head{display:flex;justify-content:space-between;align-items:flex-start;gap:14px;margin-bottom:18px}.card-head h2{font-size:1.05rem}.card-head p{margin-top:6px;color:var(--muted);font-size:.83rem}.grid{display:grid;gap:18px}.g2{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(3,minmax(0,1fr))}.g4{grid-template-columns:repeat(4,minmax(0,1fr))}.main-grid{grid-template-columns:minmax(0,1.5fr) minmax(320px,1fr)}.metric{padding:20px;min-height:128px;position:relative;overflow:hidden}.metric::after{content:'♞';position:absolute;right:13px;top:5px;color:#8de6a71a;font-size:5.5rem}.metric .value{font-size:2.1rem;font-weight:810;letter-spacing:-.05em;margin:13px 0 4px}.metric .name{color:var(--muted);font-size:.78rem;font-weight:680}.metric .detail{font-size:.73rem;color:#82bd94}.hero{padding:28px;background:radial-gradient(ellipse at 94% 45%,#215c39 0%,transparent 57%),linear-gradient(120deg,#1b3e2a,#0f2419);display:flex;align-items:center;justify-content:space-between;gap:24px}.hero h1{font-size:clamp(1.9rem,4vw,2.6rem);margin:8px 0 11px}.hero p{color:#bad6c1;max-width:55ch;line-height:1.5}.hero-knight{font-size:7.5rem;line-height:1;color:var(--gold);filter:drop-shadow(8px 8px 14px #0008);transform:rotate(-8deg);user-select:none}.page-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:22px}.page-head p{color:var(--muted);margin-top:7px;line-height:1.5}.page-head .actions{display:flex;gap:9px}.btn{background:#46c77e;color:#082315;border:1px solid #7ee9a5;border-radius:11px;font-weight:800;font-size:.84rem;padding:11px 15px;min-height:41px;white-space:nowrap}.btn:hover{filter:brightness(1.09)}.btn.ghost{color:var(--mint);background:#1b3c29;border-color:#38684b}.btn.danger{background:#532b2c;color:#ffc0be;border-color:#865050}.btn.gold{background:var(--gold);border-color:#ffe7a8;color:#302309}.btn.small{padding:8px 12px;min-height:34px;font-size:.77rem}.btn.link{background:none;border:0;color:var(--mint);padding:4px;min-height:0}.button-row{display:flex;gap:9px;flex-wrap:wrap;align-items:center}.table-wrap{overflow:auto;max-width:100%}table{width:100%;border-collapse:collapse;font-size:.84rem}th{text-align:left;font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:#86b397;font-weight:760;padding:11px 12px;border-bottom:1px solid #375541;white-space:nowrap}td{border-bottom:1px solid #294736;padding:13px 12px;white-space:nowrap}tr:last-child td{border-bottom:0}tbody tr:hover{background:#1a3526}td a{color:var(--mint);text-decoration:none}td a:hover{text-decoration:underline}.rank{display:inline-grid;place-items:center;background:#204630;color:var(--gold);border-radius:9px;min-width:30px;height:29px;font-weight:800}.rank.top{background:#544523}.avatar{display:inline-grid;place-items:center;width:35px;height:35px;background:#26563b;border:1px solid #51946a;border-radius:11px;color:#d3ffe1;font-weight:800;margin-right:10px;vertical-align:middle}.avatar.big{width:64px;height:64px;font-size:1.6rem;border-radius:17px}.sep{border:none;border-top:1px solid var(--border);margin:22px 0}.empty{min-height:150px;display:grid;place-content:center;text-align:center;gap:12px;padding:24px;color:var(--muted)}.empty .symbol{font-size:2.5rem;color:#578f69}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.stack{display:grid;gap:15px}.line{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 0;border-bottom:1px solid #274535}.line:last-child{border:0}.line b{font-size:.86rem}.muted-note{padding:13px 15px;background:#1d3a29;border-left:3px solid var(--gold);border-radius:9px;color:#d6edda;font-size:.85rem;line-height:1.5}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.form-grid .full{grid-column:1/-1}.match-form{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:13px}.match-form .long{grid-column:span 2}.match-form .full{grid-column:1/-1}.match-form .submit{justify-self:start}.profile{display:flex;gap:16px;align-items:center}.profile h2{font-size:1.45rem}.profile .subtitle{color:var(--muted);font-size:.84rem;margin-top:5px}.big-number{font-size:2.3rem;font-weight:850;color:var(--gold);letter-spacing:-.045em}.stat-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:12px}.stat-row span{font-size:.78rem;color:var(--muted)}.stat-row b{color:var(--white)}.chart{width:100%;height:180px;display:block}.mode-tabs{display:flex;gap:6px;flex-wrap:wrap}.mode-tabs button{padding:8px 10px;border-radius:8px;background:#123122;border:1px solid #315741;color:#b0d2bb;font-size:.76rem;font-weight:730}.mode-tabs button.selected{background:#2f6845;color:#e3ffe9;border-color:#65aa7c}.badgegrid{display:flex;flex-wrap:wrap;gap:10px}.award{display:inline-flex;align-items:center;gap:8px;border:1px solid #675a35;color:var(--gold);background:#39331e;border-radius:12px;padding:10px 12px;font-size:.82rem;font-weight:710}.details{background:#153324;border:1px solid var(--border);border-radius:12px;padding:12px 14px}.details summary{cursor:pointer;font-weight:700;color:#d4f2da}.review-reason{max-width:400px;white-space:normal;font-size:.78rem;color:var(--red)}.tourney{padding:15px;border:1px solid var(--border);background:#0c1f16;border-radius:12px}.tourney-title{font-weight:800;color:var(--gold);font-size:.89rem;margin-bottom:11px}.bracket{display:flex;gap:15px;overflow-x:auto;padding:5px 2px 12px}.bracket-col{flex:1;min-width:190px;display:grid;gap:12px;align-content:start}.bracket-box{padding:12px;background:#183525;border:1px solid #376448;border-radius:10px;font-size:.82rem}.bracket-box>div+div{margin-top:8px;border-top:1px solid #35604a;padding-top:8px}.score{margin-left:6px;color:var(--gold);font-weight:800}.notice{padding:11px 14px;margin-bottom:18px;background:#1b5136;border:1px solid #488e62;color:#e6fff1;border-radius:11px;font-size:.88rem}.notice.error{background:#4b2629;border-color:#a35157;color:#ffe0e0}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px}.login-card{width:min(100%,470px);padding:38px;background:linear-gradient(145deg,#193d28,#0a1a12);border:1px solid #3b7350;border-radius:22px;box-shadow:var(--shadow)}.login-card .badge-icon{width:64px;height:64px;border-radius:19px;background:#2b6142;color:var(--gold);display:grid;place-items:center;font-size:2rem;margin-bottom:20px}.login-card h1{margin-bottom:10px}.login-card>p{line-height:1.55;color:var(--muted);margin-bottom:25px}.login-card form{display:grid;gap:14px}.login-card .btn{width:100%}.tour-form{display:flex;gap:10px;flex-wrap:wrap}.choice{display:flex;gap:10px;align-items:center;padding:7px 10px;border:1px solid #375841;background:#173424;border-radius:9px;font-size:.83rem;color:#dcf2df}.choice input{width:auto}footer{color:#82a58c;font-size:.73rem;margin-top:32px;text-align:center}.mobile-brand{display:none}
@media(max-width:1130px){.shell{grid-template-columns:200px minmax(0,1fr)}.main{padding:24px 18px 50px}.main-grid{grid-template-columns:1fr}.g4{grid-template-columns:repeat(2,minmax(0,1fr))}.sidebar{padding:22px 11px}.logo{padding:4px}.nav button{padding:11px 9px}.nav button.active{padding:10px 8px}.hero-knight{font-size:5rem}}
@media(max-width:760px){.shell{display:block}.sidebar{height:auto;position:relative;padding:13px 14px;display:block}.logo{display:none}.sidebar nav .nav-label{display:none}.nav{display:flex;overflow-x:auto;padding-bottom:2px;gap:7px}.nav button{white-space:nowrap;flex:0 0 auto;font-size:.8rem;padding:9px 12px;border:1px solid #315540;background:#173323}.nav button.active{padding:9px 12px}.side-bottom{display:none}.main{padding:19px 13px 44px}.top{margin-bottom:19px;align-items:flex-start}.top-right{justify-content:end}.mobile-brand{display:block;color:var(--gold);font-weight:850;letter-spacing:.12em;font-size:.8rem}.hero{padding:20px}.hero-knight{font-size:3.7rem}.g2,.g3,.g4{grid-template-columns:repeat(2,minmax(0,1fr))}.card{padding:16px}.metric{padding:15px;min-height:115px}.metric .value{font-size:1.65rem}.page-head{align-items:start;flex-wrap:wrap}.match-form{grid-template-columns:repeat(2,minmax(0,1fr))}.match-form .long{grid-column:1/-1}.match-form .full{grid-column:1/-1}.form-grid{grid-template-columns:1fr}}
@media(max-width:460px){.hero-knight{display:none}.hero h1{font-size:1.9rem}.top{display:block}.top-right{margin-top:12px;justify-content:start}.g2,.g3,.g4{grid-template-columns:1fr 1fr}.metric .value{font-size:1.45rem}.match-form{grid-template-columns:1fr}.match-form .long{grid-column:auto}.profile{align-items:flex-start}.page-head .actions{width:100%}}
/* CHESSER LIVE ARENA — responsive, accessible chessboard and controls */
.auth-links{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-top:15px}
.arena-create{display:grid;grid-template-columns:1.15fr 1fr 1.25fr auto;gap:12px;align-items:end}
.arena-create .btn{min-height:44px}
.game-layout{display:grid;grid-template-columns:minmax(320px,690px) minmax(230px,1fr);gap:22px;align-items:start}
.game-board-card{display:grid;gap:11px;justify-items:center;min-width:0}
.chessboard{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));width:100%;max-width:650px;aspect-ratio:1/1;border-radius:9px;overflow:hidden;border:2px solid #6aaa80;box-shadow:0 16px 44px #0005}
.sq{border:0;border-radius:0;min-width:0;min-height:0;width:100%;height:100%;aspect-ratio:1/1;display:grid;place-items:center;position:relative;padding:0;touch-action:manipulation}
.sq.light{background:#dbedda}.sq.dark{background:#4c9470}
.sq.picked{background:#f2cd6c}.sq.target::after{content:'';position:absolute;inset:38%;background:#144d36a8;border-radius:50%;pointer-events:none}
.sq.target:has(.chess-piece)::after{inset:4%;background:transparent;border:5px solid #d0ae54ad}
.sq:disabled{opacity:1;cursor:default}.sq:not(:disabled):hover{filter:brightness(1.12)}
.sq-rank,.sq-file{position:absolute;font-size:clamp(8px,1vw,12px);font-weight:800;z-index:1;color:#205238;line-height:1}.sq-rank{top:4px;left:4px}.sq-file{bottom:3px;right:4px}
.sq.dark .sq-rank,.sq.dark .sq-file{color:#e7f6e8}
.chess-piece{font-family:'DejaVu Sans','Segoe UI Symbol','Noto Sans Symbols 2',serif;font-size:clamp(22px,5.2vw,62px);line-height:1;position:relative;z-index:2;user-select:none;font-variant-emoji:text}
.chess-piece.white{color:#fffdf2;-webkit-text-stroke:1.6px #25332d;text-shadow:0 3px 2px #121c1399}
.chess-piece.black{color:#192e22;-webkit-text-stroke:.65px #fff8d8;text-shadow:0 2px 3px #07130875}
.clock-panel{width:100%;max-width:650px;display:flex;align-items:center;justify-content:space-between;gap:8px;background:#163525;border:1px solid #42684d;border-radius:12px;padding:12px 15px;color:#cfe6d7}
.clock-panel.active{border-color:#9dedad;background:#235638;box-shadow:0 0 0 1px #77d89133}
.clock-panel strong{font-size:1.5rem;font-variant-numeric:tabular-nums;letter-spacing:.025em;color:#f5e2a6}
.game-board-card>.button-row{width:100%;max-width:650px;justify-content:center}
.game-side{position:sticky;top:25px}.game-row>div:first-child{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.game-row .pill{min-width:100px;justify-content:center}
.moves-list{min-height:125px;max-height:260px;overflow:auto;background:#081b13;border:1px solid #345d46;padding:15px;border-radius:10px;color:#d6f3df;line-height:2.0;letter-spacing:.01em;word-break:break-word}
@media(max-width:1120px){.arena-create{grid-template-columns:repeat(2,minmax(0,1fr))}.arena-create button{width:100%}}
@media(max-width:900px){.game-layout{grid-template-columns:minmax(0,1fr)}.game-side{position:static}.chessboard{width:min(100%,640px)}.chess-piece{font-size:clamp(18px,7vw,64px)}}
@media(max-width:520px){.arena-create{grid-template-columns:1fr}.game-board-card{padding:11px}.game-layout{gap:12px}.sq-rank,.sq-file{font-size:8px}.chess-piece{font-size:clamp(20px,8vw,44px)}.clock-panel{padding:9px 10px}.clock-panel strong{font-size:1.2rem}.game-row{align-items:flex-start;flex-direction:column}}