:root{
  --syo-bg0:#080f1d;--syo-bg1:#111d32;--syo-panel:#111d31e8;--syo-panel2:#17253c;--syo-line:#29415f;--syo-text:#edf5ff;--syo-muted:#9fb0c7;--syo-gold:#f0c166;--syo-gold2:#b47a2e;--syo-red:#ef6d6d;--syo-green:#6de2aa;--syo-light:#d0a66f;--syo-dark:#59371f;--syo-shadow:0 18px 70px rgba(0,0,0,.42);--syo-radius:28px
}
*{box-sizing:border-box}html{margin:0!important}body.syo-body{margin:0;min-height:100vh;background:radial-gradient(1200px 700px at 50% -120px,#253f65 0%,transparent 60%),radial-gradient(900px 500px at 90% 10%,#2b1c3b 0%,transparent 55%),linear-gradient(145deg,var(--syo-bg0),var(--syo-bg1));color:var(--syo-text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;overflow-x:hidden}body.syo-body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.12;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:36px 36px;mask-image:linear-gradient(to bottom,#000,transparent 82%)}.syo-shell{width:min(1180px,100%);margin:0 auto;padding:20px 24px 42px;position:relative;z-index:1}.syo-topbar{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px;margin-bottom:18px;border:1px solid rgba(255,255,255,.09);border-radius:24px;background:rgba(7,13,23,.62);backdrop-filter:blur(14px);box-shadow:0 12px 42px rgba(0,0,0,.24)}.syo-logo{display:flex;align-items:center;gap:10px;color:var(--syo-text);text-decoration:none;font-weight:1000;letter-spacing:-.03em}.syo-logo-mark{width:38px;height:38px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(180deg,#f4c971,#b57b30);color:#1b1207;box-shadow:0 9px 22px rgba(240,193,102,.22),inset 0 1px 0 rgba(255,255,255,.35)}.syo-nav{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.syo-nav a,.syo-btn{appearance:none;border:0;text-decoration:none;color:var(--syo-text);border-radius:999px;padding:11px 15px;cursor:pointer;font-weight:900;background:linear-gradient(180deg,rgba(255,255,255,.095),rgba(255,255,255,.045));box-shadow:inset 0 0 0 1px rgba(255,255,255,.1);transition:transform .15s ease,box-shadow .15s ease,background .15s ease;font-size:14px;display:inline-flex;align-items:center;justify-content:center;gap:8px}.syo-nav a:hover,.syo-btn:hover{transform:translateY(-1px);box-shadow:inset 0 0 0 1px rgba(255,255,255,.16),0 8px 20px rgba(0,0,0,.22)}.syo-nav-cta,.syo-btn-primary{background:linear-gradient(180deg,#f4c971,#b57b30)!important;color:#1b1207!important;box-shadow:0 9px 22px rgba(240,193,102,.22),inset 0 1px 0 rgba(255,255,255,.35)!important}.syo-btn-danger{background:linear-gradient(180deg,rgba(239,109,109,.22),rgba(239,109,109,.09));color:#ffd8d8}.syo-btn-small{padding:9px 12px;font-size:13px}.syo-kicker{color:var(--syo-gold);font-weight:1000;letter-spacing:.13em;text-transform:uppercase;font-size:12px;margin-bottom:10px}.syo-hero,.syo-page-head,.syo-auth-card,.syo-profile-card,.syo-table-card{border:1px solid rgba(255,255,255,.09);background:linear-gradient(180deg,rgba(17,29,49,.92),rgba(13,22,38,.78));border-radius:var(--syo-radius);box-shadow:var(--syo-shadow);overflow:hidden;position:relative}.syo-hero{display:grid;grid-template-columns:1fr 310px;gap:22px;padding:26px;align-items:stretch}.syo-hero h1,.syo-page-head h1,.syo-auth-card h1,.syo-profile h1,.syo-play-head h1{margin:0;font-size:clamp(30px,4.4vw,58px);line-height:1.02;letter-spacing:-.06em}.syo-hero p,.syo-page-head p,.syo-play-head p{margin:14px 0 0;color:#c4d2e6;font-size:16px;line-height:1.55;max-width:720px}.syo-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.syo-hero-card{border:1px solid rgba(255,255,255,.09);background:rgba(255,255,255,.045);border-radius:22px;padding:18px;display:flex;flex-direction:column;justify-content:center}.syo-hero-card strong{font-size:20px}.syo-hero-card span{margin-top:8px;color:var(--syo-muted);line-height:1.45}.syo-game-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:16px}.syo-game-card{border:1px solid rgba(255,255,255,.09);background:linear-gradient(180deg,rgba(17,29,49,.86),rgba(9,17,31,.9));border-radius:var(--syo-radius);box-shadow:var(--syo-shadow);padding:22px}.syo-game-icon{width:58px;height:58px;border-radius:21px;display:grid;place-items:center;background:rgba(240,193,102,.13);color:var(--syo-gold);font-size:32px;font-weight:1000}.syo-game-card h2{margin:14px 0 8px;font-size:26px}.syo-game-card p{color:var(--syo-muted);line-height:1.48}.syo-play-page{display:block}.syo-play-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin:0 0 16px;padding:22px;border:1px solid rgba(255,255,255,.09);background:rgba(17,29,49,.75);border-radius:var(--syo-radius);box-shadow:var(--syo-shadow)}.syo-play-switch{display:flex;gap:8px;flex-wrap:wrap}.syo-game-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:18px;align-items:start}.syo-board-card,.syo-side-panel{border-radius:var(--syo-radius);border:1px solid rgba(255,255,255,.09);background:linear-gradient(180deg,rgba(17,29,49,.84),rgba(9,17,31,.88));box-shadow:var(--syo-shadow)}.syo-board-card{padding:18px;overflow:hidden}.syo-board-frame{display:flex;justify-content:center;align-items:center;padding:clamp(10px,2vw,26px);border-radius:24px;background:linear-gradient(145deg,rgba(126,76,32,.38),rgba(34,21,13,.38)),radial-gradient(700px 400px at 50% 10%,rgba(255,226,154,.16),transparent 64%);border:1px solid rgba(255,255,255,.08);min-height:min(82vw,720px)}.syo-board{position:relative;display:grid;grid-template-columns:repeat(8,1fr);grid-template-rows:repeat(8,1fr);width:min(78vh,100%,680px);aspect-ratio:1/1;border-radius:24px;padding:12px;background:linear-gradient(145deg,#2a180e,#7c4b28 42%,#1d110b);box-shadow:0 30px 70px rgba(0,0,0,.55),inset 0 2px 0 rgba(255,255,255,.18),inset 0 -3px 8px rgba(0,0,0,.35);user-select:none;touch-action:manipulation}.syo-cell{position:relative;display:flex;align-items:center;justify-content:center;font-size:clamp(20px,6vw,58px);overflow:hidden}.syo-cell.light{background:linear-gradient(145deg,rgba(255,255,255,.18),transparent 55%),var(--syo-light)}.syo-cell.dark{background:linear-gradient(145deg,rgba(255,255,255,.08),transparent 48%),var(--syo-dark)}.syo-cell:nth-child(1){border-top-left-radius:14px}.syo-cell:nth-child(8){border-top-right-radius:14px}.syo-cell:nth-child(57){border-bottom-left-radius:14px}.syo-cell:nth-child(64){border-bottom-right-radius:14px}.syo-coord{position:absolute;left:5px;top:4px;font-size:10px;font-weight:900;opacity:.25;color:#111}.syo-cell.dark .syo-coord{color:#fff}.syo-cell.selected:after{content:"";position:absolute;inset:8%;border-radius:14px;border:3px solid rgba(240,193,102,.96);box-shadow:0 0 0 4px rgba(240,193,102,.16),0 0 28px rgba(240,193,102,.36);z-index:1;pointer-events:none}.syo-cell.legal:before{content:"";position:absolute;width:24%;height:24%;border-radius:999px;background:rgba(109,226,170,.78);box-shadow:0 0 0 7px rgba(109,226,170,.14),0 0 20px rgba(109,226,170,.28);z-index:1}.syo-cell.capture:before{content:"";position:absolute;inset:14%;border-radius:16px;border:3px solid rgba(239,109,109,.82);background:rgba(239,109,109,.09);box-shadow:0 0 22px rgba(239,109,109,.26);z-index:1}.syo-cell.last{box-shadow:inset 0 0 0 999px rgba(240,193,102,.12)}.syo-cell.targeted .syo-piece{outline:4px solid rgba(255,107,107,.92);outline-offset:3px;filter:drop-shadow(0 0 18px rgba(255,107,107,.78)) brightness(1.08);animation:syoTargetPulse .95s ease-in-out infinite}.syo-capture-hint{position:absolute;right:9px;top:9px;z-index:4;width:13px;height:13px;border-radius:999px;background:radial-gradient(circle at 35% 30%,#fff,#ff8b8b 32%,#d72727 72%);box-shadow:0 0 0 5px rgba(255,35,35,.16),0 7px 18px rgba(255,35,35,.34),inset 0 1px 0 rgba(255,255,255,.45);pointer-events:none}@keyframes syoTargetPulse{0%,100%{transform:translateY(-2px) scale(1.035)}50%{transform:translateY(-3px) scale(1.075)}}.syo-piece{position:relative;z-index:2;display:flex;align-items:center;justify-content:center;width:78%;height:78%;border-radius:50%;font-weight:1000;line-height:1;transform:translateZ(0);transition:transform .18s ease,filter .18s ease}.syo-piece:hover{transform:translateY(-2px) scale(1.025);filter:brightness(1.06)}.syo-piece.checker{box-shadow:0 12px 18px rgba(0,0,0,.35),inset 0 2px 2px rgba(255,255,255,.35),inset 0 -9px 14px rgba(0,0,0,.30)}.syo-piece.checker:before{content:"";position:absolute;inset:13%;border-radius:50%;border:2px solid rgba(255,255,255,.28);box-shadow:inset 0 0 0 5px rgba(0,0,0,.10)}.syo-piece.white{color:#442d10;background:radial-gradient(circle at 35% 20%,#fffdf7 0%,#f6ecd0 34%,#ceb070 78%,#8e6330 100%)}.syo-piece.black{color:#f3d18a;background:radial-gradient(circle at 35% 20%,#4f5967 0%,#202733 36%,#05070b 82%,#010205 100%)}.syo-piece.chess{border-radius:28%;font-family:Georgia,"Times New Roman",serif;font-size:clamp(23px,6.2vw,62px);text-shadow:0 2px 0 rgba(255,255,255,.08),0 10px 18px rgba(0,0,0,.35);box-shadow:0 12px 20px rgba(0,0,0,.32),inset 0 1px 0 rgba(255,255,255,.26),inset 0 -10px 18px rgba(0,0,0,.18)}.syo-piece.chess.white{background:linear-gradient(145deg,#fffdf6,#f3ead8 48%,#d9c7a6);color:#111}.syo-piece.chess.black{background:linear-gradient(145deg,#2e323a,#11141a 72%,#010203);color:#f7f7f7}.syo-piece.in-check{box-shadow:0 0 0 4px rgba(255,107,107,.35),0 0 32px rgba(255,107,107,.55),0 13px 22px rgba(0,0,0,.36),inset 0 1px 0 rgba(255,255,255,.22)}.syo-side-panel{padding:18px}.syo-status-card,.syo-score-box{border-radius:22px;padding:16px;background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.035));border:1px solid rgba(255,255,255,.09);margin-bottom:12px}.syo-turn-line{display:flex;align-items:center;gap:10px;font-size:18px}.syo-turn-dot{width:14px;height:14px;border-radius:50%;display:inline-block}.syo-turn-dot.white{background:#fff;box-shadow:0 0 18px rgba(255,255,255,.45)}.syo-turn-dot.black{background:#05070b;box-shadow:0 0 0 1px rgba(255,255,255,.24),0 0 18px rgba(0,0,0,.55)}#syo-status-text{color:#c6d4e8;line-height:1.45;font-size:14px}.syo-score-box label{display:block;color:#c6d4e8;font-size:13px;margin-bottom:8px}.syo-score-box select,.syo-form input{width:100%;border:1px solid rgba(255,255,255,.12);background:rgba(0,0,0,.22);color:#fff;border-radius:16px;padding:12px 13px;outline:none}.syo-panel-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:14px}.syo-panel-actions #syo-save-result{grid-column:1/-1}.syo-log{max-height:260px;overflow:auto;padding-right:4px;display:flex;flex-direction:column;gap:8px}.syo-log-line{font-size:12px;color:#cbd7e8;border-left:3px solid rgba(240,193,102,.55);padding:8px 10px;border-radius:0 12px 12px 0;background:rgba(255,255,255,.04)}.syo-alert{border-radius:18px;padding:12px 14px;margin:12px 0;border:1px solid rgba(255,255,255,.12);line-height:1.45}.syo-alert-error{background:rgba(239,109,109,.13);color:#ffd8d8}.syo-alert-warn{background:rgba(240,193,102,.12);color:#ffe7b7}.syo-page-head{padding:24px;margin-bottom:16px}.syo-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 12px}.syo-table-card{padding:16px;overflow:auto}.syo-table{width:100%;border-collapse:collapse;min-width:640px}.syo-table th,.syo-table td{text-align:left;padding:12px;border-bottom:1px solid rgba(255,255,255,.08)}.syo-table th{color:#f4d18c;font-size:12px;text-transform:uppercase;letter-spacing:.08em}.syo-profile-card{display:flex;align-items:center;gap:16px;padding:22px;margin-bottom:16px}.syo-avatar{width:76px;height:76px;border-radius:28px;display:grid;place-items:center;background:linear-gradient(180deg,#f4c971,#b57b30);color:#1b1207;font-size:36px;font-weight:1000}.syo-profile-card p{margin:8px 0 0;color:var(--syo-muted)}.syo-profile-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.syo-stat-card{border:1px solid rgba(255,255,255,.09);background:linear-gradient(180deg,rgba(17,29,49,.86),rgba(9,17,31,.9));border-radius:22px;padding:16px}.syo-stat-card strong{display:block;font-size:27px}.syo-stat-card span{color:var(--syo-muted);font-size:13px}.syo-auth-card{width:min(520px,100%);margin:24px auto;padding:24px}.syo-form{display:grid;gap:12px;margin-top:16px}.syo-form label{display:grid;gap:7px;color:#c6d4e8;font-size:13px}.syo-check{display:flex!important;grid-template-columns:auto 1fr!important;align-items:center}.syo-check input{width:auto!important}.syo-muted{color:var(--syo-muted)}.syo-muted a{color:#f4d18c}@media(max-width:980px){.syo-hero,.syo-game-layout{grid-template-columns:1fr}.syo-play-head{align-items:flex-start;flex-direction:column}.syo-board-frame{min-height:auto}.syo-board{width:min(96vw,620px);padding:9px;border-radius:20px}.syo-profile-stats{grid-template-columns:1fr 1fr}}@media(max-width:640px){.syo-shell{padding:12px 12px 30px}.syo-topbar{align-items:flex-start;flex-direction:column}.syo-nav{width:100%;display:grid;grid-template-columns:1fr 1fr}.syo-game-grid,.syo-profile-stats{grid-template-columns:1fr}.syo-hero{grid-template-columns:1fr;padding:20px;border-radius:22px}.syo-board-card,.syo-side-panel,.syo-page-head,.syo-auth-card,.syo-profile-card{border-radius:22px;padding:14px}.syo-coord{display:none}.syo-panel-actions{grid-template-columns:1fr}.syo-panel-actions #syo-save-result{grid-column:auto}}

/* V0.1.2: old plugin collision fix, board-side turn indicator and automatic result popup */
.syo-board-turn{margin:14px auto 0;width:min(78vh,100%,680px);border:1px solid rgba(255,255,255,.10);border-radius:18px;padding:12px 14px;text-align:center;font-weight:1000;letter-spacing:.02em;background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.035));box-shadow:0 12px 28px rgba(0,0,0,.18);color:#fff}.syo-panel-actions{grid-template-columns:1fr 1fr}.syo-modal{position:fixed;inset:0;z-index:9999;display:none;align-items:center;justify-content:center;padding:20px;background:rgba(3,7,13,.72);backdrop-filter:blur(10px)}.syo-modal.show{display:flex}.syo-modal-card{width:min(440px,100%);border:1px solid rgba(255,255,255,.13);border-radius:28px;background:linear-gradient(180deg,rgba(24,37,60,.96),rgba(9,17,31,.98));box-shadow:0 28px 90px rgba(0,0,0,.55);padding:24px;text-align:center}.syo-modal-icon{width:70px;height:70px;margin:0 auto 12px;border-radius:25px;display:grid;place-items:center;background:linear-gradient(180deg,#f4c971,#b57b30);color:#160f07;font-size:36px;box-shadow:0 12px 28px rgba(240,193,102,.25),inset 0 1px 0 rgba(255,255,255,.36)}.syo-modal-card h2{margin:0;font-size:clamp(30px,5vw,46px);letter-spacing:-.05em}.syo-modal-card p{margin:10px 0 0;color:#cbd7e8;line-height:1.45}.syo-result-save{margin:14px 0 0;border:1px solid rgba(255,255,255,.09);border-radius:18px;padding:11px 12px;background:rgba(255,255,255,.055);color:#f4d18c;font-weight:800}.syo-modal-actions{display:grid;grid-template-columns:1fr;gap:9px;margin-top:16px}.syo-modal-actions .syo-btn{width:100%}@media(min-width:520px){.syo-modal-actions{grid-template-columns:1fr 1fr 1fr}}@media(max-width:980px){.syo-board-turn{width:min(96vw,620px)}}


/* V0.1.4: simplified public labels, stronger turn indicator and abandon warning modal */
.syo-board-turn{font-size:18px;background:linear-gradient(180deg,rgba(240,193,102,.16),rgba(240,193,102,.055));border-color:rgba(240,193,102,.28);color:#ffe7b2;text-shadow:0 8px 18px rgba(0,0,0,.35)}
.syo-modal-icon-warn{background:linear-gradient(180deg,#ffb07c,#c04d37)!important;color:#1d0806!important}
.syo-modal-actions-two{grid-template-columns:1fr 1fr!important}
.syo-modal-card .syo-btn[disabled]{opacity:.62;cursor:wait;transform:none!important}
@media(max-width:520px){.syo-modal-actions-two{grid-template-columns:1fr!important}.syo-board-turn{font-size:16px}}

/* V0.2.0: online room lobby and room header */
.syo-room-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-bottom:16px}.syo-room-card{border:1px solid rgba(255,255,255,.09);background:linear-gradient(180deg,rgba(17,29,49,.86),rgba(9,17,31,.9));border-radius:26px;padding:18px;box-shadow:var(--syo-shadow)}.syo-room-card h2,.syo-room-list-card h2{margin:0 0 12px}.syo-form select{width:100%;border:1px solid rgba(255,255,255,.12);background:rgba(0,0,0,.22);color:#fff;border-radius:16px;padding:12px 13px;outline:none}.syo-room-head{display:flex;align-items:center;justify-content:space-between;gap:16px;border:1px solid rgba(255,255,255,.09);background:linear-gradient(180deg,rgba(17,29,49,.86),rgba(9,17,31,.9));border-radius:28px;padding:22px;margin-bottom:14px;box-shadow:var(--syo-shadow)}.syo-room-head h1{margin:0}.syo-room-head p{margin:8px 0 0;color:var(--syo-muted)}.syo-room-share{display:flex;gap:8px;align-items:center}.syo-room-share input{width:min(420px,48vw);border:1px solid rgba(255,255,255,.12);background:rgba(0,0,0,.22);color:#fff;border-radius:16px;padding:12px 13px;outline:none}.syo-room-players{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:14px}.syo-room-player{border:1px solid rgba(255,255,255,.09);background:rgba(255,255,255,.045);border-radius:20px;padding:14px}.syo-room-player span{display:block;color:var(--syo-muted);font-size:12px;text-transform:uppercase;letter-spacing:.08em}.syo-room-player strong{display:block;font-size:18px;margin-top:5px}.syo-play-page[data-room-code] .syo-panel-actions{opacity:.72}.syo-play-page[data-room-code] #syo-board-turn{background:linear-gradient(180deg,rgba(100,181,255,.18),rgba(240,193,102,.07));border-color:rgba(100,181,255,.24)}@media(max-width:780px){.syo-room-grid,.syo-room-players{grid-template-columns:1fr}.syo-room-head{align-items:stretch;flex-direction:column}.syo-room-share{flex-direction:column;align-items:stretch}.syo-room-share input{width:100%}}

/* V0.2.1: ready-start flow and member approval polish */
.syo-room-player em{display:inline-flex;margin-top:8px;padding:4px 8px;border-radius:999px;background:rgba(255,255,255,.07);color:#f4d18c;font-style:normal;font-size:12px;font-weight:900}
.syo-ready-card{border-radius:22px;padding:16px;background:linear-gradient(180deg,rgba(240,193,102,.10),rgba(255,255,255,.035));border:1px solid rgba(240,193,102,.18);margin-bottom:12px}
.syo-ready-card .syo-btn{width:100%;margin-bottom:9px}
.syo-ready-card .syo-btn[disabled]{opacity:.62;cursor:not-allowed;transform:none!important}
.syo-ready-card p{margin:0;color:#c6d4e8;font-size:13px;line-height:1.45}
.syo-auth-card .syo-alert{margin:14px 0}

/* V0.2.2: password eye, social profile, follow, messages, notifications */
.syo-password-wrap{display:grid;grid-template-columns:1fr 44px;align-items:center;border:1px solid rgba(255,255,255,.12);background:rgba(0,0,0,.22);border-radius:16px;overflow:hidden}
.syo-password-wrap input{border:0!important;background:transparent!important;border-radius:0!important;min-width:0}
.syo-pass-toggle{height:100%;border:0;background:rgba(255,255,255,.06);color:#f4d18c;cursor:pointer;font-size:16px;font-weight:1000}
.syo-pass-toggle.showing{background:rgba(240,193,102,.22);color:#fff}
.syo-nav-badge{display:inline-flex;min-width:18px;height:18px;align-items:center;justify-content:center;margin-left:4px;padding:0 5px;border-radius:999px;background:#ef6d6d;color:#fff;font-size:11px;line-height:1}
.syo-profile-card{justify-content:space-between}.syo-profile-main{min-width:0;flex:1}.syo-profile-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.syo-profile-meta a,.syo-profile-meta span{color:#f4d18c;text-decoration:none;background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.09);border-radius:999px;padding:7px 10px;font-size:13px;font-weight:900}.syo-profile-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.syo-connection-list{display:grid;gap:10px}.syo-connection-card{display:flex;align-items:center;justify-content:space-between;gap:10px;border:1px solid rgba(255,255,255,.09);background:linear-gradient(180deg,rgba(17,29,49,.86),rgba(9,17,31,.9));border-radius:22px;padding:12px;box-shadow:var(--syo-shadow)}.syo-connection-card>a{display:grid;grid-template-columns:46px 1fr;grid-template-areas:'a b' 'a c';column-gap:10px;align-items:center;color:#fff;text-decoration:none}.syo-mini-avatar{grid-area:a;width:46px;height:46px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(180deg,#f4c971,#b57b30);color:#1b1207;font-weight:1000;font-size:20px}.syo-connection-card strong{grid-area:b}.syo-connection-card em{grid-area:c;color:var(--syo-muted);font-style:normal;font-size:13px}.syo-messages-shell{display:grid;grid-template-columns:300px 1fr;gap:14px}.syo-conv-list,.syo-chat-panel{border:1px solid rgba(255,255,255,.09);background:linear-gradient(180deg,rgba(17,29,49,.86),rgba(9,17,31,.9));border-radius:26px;padding:14px;box-shadow:var(--syo-shadow)}.syo-conv-list{display:flex;flex-direction:column;gap:8px}.syo-conv-list a{display:flex;align-items:center;justify-content:space-between;gap:8px;color:#fff;text-decoration:none;border-radius:16px;padding:11px;background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.06)}.syo-conv-list a.active{background:rgba(240,193,102,.14);border-color:rgba(240,193,102,.25)}.syo-conv-list span{min-width:22px;height:22px;display:grid;place-items:center;border-radius:999px;background:#ef6d6d;color:#fff;font-size:12px;font-weight:1000}.syo-chat-log{display:flex;flex-direction:column;gap:8px;max-height:430px;overflow:auto;padding:4px}.syo-chat-msg{max-width:78%;border-radius:18px;padding:10px 12px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08)}.syo-chat-msg.me{align-self:flex-end;background:rgba(240,193,102,.14);border-color:rgba(240,193,102,.23)}.syo-chat-msg.other{align-self:flex-start}.syo-chat-msg p{margin:0;white-space:pre-wrap}.syo-chat-msg small{display:block;margin-top:5px;color:var(--syo-muted);font-size:11px}.syo-chat-form textarea{width:100%;border:1px solid rgba(255,255,255,.12);background:rgba(0,0,0,.22);color:#fff;border-radius:16px;padding:12px 13px;outline:none;resize:vertical}.syo-notification-list{display:grid;gap:8px}.syo-notification{display:block;color:#fff;text-decoration:none;border:1px solid rgba(255,255,255,.08);background:rgba(255,255,255,.045);border-radius:18px;padding:12px}.syo-notification.unread{background:rgba(240,193,102,.13);border-color:rgba(240,193,102,.25)}.syo-notification span{display:block;color:var(--syo-muted);font-size:12px;margin-top:4px}.syo-local-start-card{margin-bottom:12px}@media(max-width:760px){.syo-profile-card{align-items:flex-start;flex-direction:column}.syo-profile-actions{justify-content:flex-start}.syo-messages-shell{grid-template-columns:1fr}.syo-chat-msg{max-width:92%}.syo-connection-card{align-items:flex-start;flex-direction:column}}

/* V0.2.3: public profile avatar, player glow and report moderation */
.syo-avatar,.syo-game-avatar,.syo-mini-avatar,.syo-admin-avatar{overflow:hidden;position:relative}
.syo-avatar img,.syo-game-avatar img,.syo-mini-avatar img,.syo-admin-avatar img{width:100%;height:100%;object-fit:cover;display:block}
.syo-profile-avatar-large{width:108px;height:108px;border-radius:34px;font-size:46px;display:grid;place-items:center;background:linear-gradient(180deg,#f4c971,#b57b30);color:#1b1207;font-weight:1000;box-shadow:0 12px 32px rgba(240,193,102,.22),inset 0 1px 0 rgba(255,255,255,.35)}
.syo-profile-bio{max-width:680px;color:#c9d7ea!important;line-height:1.55;margin:10px 0 0!important}.syo-profile-edit-section{margin-top:18px;padding:20px}.syo-profile-edit-section h2{margin:0 0 12px}.syo-profile-edit-form textarea{width:100%;border:1px solid rgba(255,255,255,.12);background:rgba(0,0,0,.22);color:#fff;border-radius:16px;padding:12px 13px;outline:none;resize:vertical}.syo-profile-edit-form input[type=file]{padding:12px;border:1px dashed rgba(255,255,255,.2);border-radius:16px;background:rgba(255,255,255,.04);color:#d9e6f6}.syo-player-strip{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:0 auto 14px;width:min(78vh,100%,680px)}
.syo-player-badge{display:flex;align-items:center;gap:10px;border:1px solid rgba(255,255,255,.09);background:linear-gradient(180deg,rgba(255,255,255,.065),rgba(255,255,255,.035));border-radius:20px;padding:10px;transition:.18s ease}.syo-player-badge.active-turn{border-color:rgba(240,193,102,.65);box-shadow:0 0 0 4px rgba(240,193,102,.10),0 0 30px rgba(240,193,102,.28),inset 0 0 18px rgba(240,193,102,.10);transform:translateY(-1px)}.syo-game-avatar{width:52px;height:52px;min-width:52px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(180deg,#f4c971,#b57b30);color:#1b1207;font-size:24px;font-weight:1000}.syo-player-badge span{display:block;color:var(--syo-muted);font-size:12px;letter-spacing:.08em;text-transform:uppercase}.syo-player-badge strong{display:block;font-size:16px}.syo-admin-avatar{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(180deg,#f4c971,#b57b30);color:#1b1207;font-weight:1000;font-size:20px;margin-bottom:8px}.syo-report-modal{position:fixed;inset:0;z-index:10000;display:none;place-items:center;background:rgba(3,7,13,.72);backdrop-filter:blur(10px);padding:18px}.syo-report-modal.show{display:grid}.syo-report-card{width:min(470px,100%);border:1px solid rgba(255,255,255,.13);border-radius:26px;background:linear-gradient(180deg,rgba(24,37,60,.96),rgba(9,17,31,.98));box-shadow:0 28px 90px rgba(0,0,0,.55);padding:22px}.syo-report-card h3{margin:0 0 8px;font-size:28px}.syo-report-card p{color:#cbd7e8;margin:0 0 12px}.syo-report-card label{display:grid;gap:7px;margin-top:10px;font-weight:900}.syo-report-card select,.syo-report-card textarea{width:100%;border:1px solid rgba(255,255,255,.12);background:rgba(0,0,0,.25);color:#fff;border-radius:16px;padding:12px 13px;outline:none}.syo-report-error{margin-top:12px;border:1px solid rgba(239,109,109,.32);background:rgba(239,109,109,.12);color:#ffd6d6;border-radius:14px;padding:10px;font-weight:800}.syo-report-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:14px}.syo-room-player.syo-player-badge{display:flex}.syo-room-player.syo-player-badge span{margin:0}.syo-room-player.syo-player-badge em{width:max-content}.syo-panel-actions{grid-template-columns:1fr 1fr!important}
@media(max-width:700px){.syo-player-strip{width:min(96vw,620px);grid-template-columns:1fr}.syo-report-actions{display:grid;grid-template-columns:1fr}.syo-profile-avatar-large{width:92px;height:92px}}

/* V0.2.4: pro game/social shell, compact hamburger nav, public profile cover */
:root{--syo-bg0:#050914;--syo-bg1:#101827;--syo-panel:#111827f2;--syo-panel2:#172033;--syo-line:#283548;--syo-gold:#f7b84b;--syo-gold2:#d18a2f;--syo-text:#f5f7fb;--syo-muted:#9aa7ba;--syo-blue:#5aa7ff;--syo-purple:#8b5cf6}
body.syo-body{background:radial-gradient(900px 520px at 12% -10%,rgba(90,167,255,.20),transparent 58%),radial-gradient(800px 520px at 100% 0,rgba(139,92,246,.22),transparent 60%),linear-gradient(145deg,#050914,#09111f 48%,#111827);}
body.syo-body:before{opacity:.055;background-size:54px 54px;mask-image:linear-gradient(to bottom,#000,transparent 74%)}
.syo-shell{width:min(1440px,100%);padding:14px 22px 42px}.syo-topbar-compact{position:sticky;top:10px;z-index:50;border-radius:28px;padding:10px 12px;background:rgba(8,13,24,.76);backdrop-filter:blur(18px);box-shadow:0 22px 70px rgba(0,0,0,.34),inset 0 1px 0 rgba(255,255,255,.06)}
.syo-logo{font-size:18px;letter-spacing:-.04em}.syo-logo-img,.syo-logo-mark{width:42px;height:42px;border-radius:16px;overflow:hidden}.syo-logo-img{display:grid;place-items:center;background:rgba(255,255,255,.07);box-shadow:inset 0 0 0 1px rgba(255,255,255,.09)}.syo-logo-img img{width:100%;height:100%;object-fit:cover}.syo-top-actions{display:flex;align-items:center;gap:8px;margin-left:auto}.syo-bell{position:relative;width:44px;height:44px;border-radius:16px;display:grid;place-items:center;text-decoration:none;background:linear-gradient(180deg,rgba(255,255,255,.10),rgba(255,255,255,.045));box-shadow:inset 0 0 0 1px rgba(255,255,255,.10);font-size:19px}.syo-bell .syo-nav-badge{position:absolute;right:-5px;top:-5px;margin:0}.syo-menu-toggle{width:46px;height:44px;border:0;border-radius:16px;background:linear-gradient(180deg,rgba(255,255,255,.12),rgba(255,255,255,.045));box-shadow:inset 0 0 0 1px rgba(255,255,255,.12);display:grid;place-items:center;gap:0;cursor:pointer;padding:9px}.syo-menu-toggle span{display:block;width:20px;height:2px;border-radius:99px;background:#eef5ff;transition:.18s ease}.syo-menu-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}.syo-menu-toggle.open span:nth-child(2){opacity:0}.syo-menu-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.syo-menu{position:absolute;right:12px;top:66px;width:min(310px,calc(100vw - 36px));display:none;flex-direction:column;align-items:stretch;gap:8px;padding:12px;border:1px solid rgba(255,255,255,.11);border-radius:24px;background:rgba(11,17,30,.96);box-shadow:0 26px 90px rgba(0,0,0,.55);backdrop-filter:blur(18px)}.syo-menu.open{display:flex}.syo-nav a{justify-content:flex-start;width:100%;border-radius:16px;padding:13px 14px}.syo-nav-cta{justify-content:center!important}.syo-hero,.syo-page-head,.syo-game-card,.syo-auth-card,.syo-table-card,.syo-board-card,.syo-side-panel,.syo-room-head,.syo-conv-list,.syo-chat-panel{background:linear-gradient(180deg,rgba(17,24,39,.88),rgba(8,13,24,.86));border-color:rgba(255,255,255,.085);box-shadow:0 22px 70px rgba(0,0,0,.34)}.syo-hero{grid-template-columns:1fr 360px;min-height:280px;background:linear-gradient(135deg,rgba(17,24,39,.92),rgba(14,22,38,.80)),radial-gradient(600px 340px at 85% 10%,rgba(247,184,75,.20),transparent 62%)}.syo-game-card{transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}.syo-game-card:hover{transform:translateY(-3px);border-color:rgba(247,184,75,.24);box-shadow:0 28px 80px rgba(0,0,0,.42)}.syo-btn,.syo-nav a{font-weight:950}.syo-btn-primary{background:linear-gradient(180deg,#ffd070,#d58c2f)!important}.syo-board-frame{background:linear-gradient(145deg,rgba(96,63,37,.34),rgba(17,15,17,.45)),radial-gradient(900px 520px at 50% 0,rgba(255,218,144,.12),transparent 58%)}.syo-board-turn{font-size:18px;border-radius:22px}.syo-social-profile-card{position:relative;overflow:hidden;border:1px solid rgba(255,255,255,.09);background:linear-gradient(180deg,rgba(17,24,39,.92),rgba(8,13,24,.88));border-radius:32px;box-shadow:0 26px 90px rgba(0,0,0,.38);margin-bottom:16px}.syo-profile-cover{height:250px;background:linear-gradient(135deg,rgba(90,167,255,.30),rgba(139,92,246,.20) 48%,rgba(247,184,75,.22)),radial-gradient(600px 280px at 80% 0,rgba(255,255,255,.10),transparent 60%);background-size:cover;background-position:center}.syo-profile-identity-row{display:grid;grid-template-columns:138px minmax(0,1fr) auto;gap:20px;align-items:end;padding:0 24px 24px;margin-top:-66px}.syo-social-profile-card .syo-profile-avatar-large{width:132px;height:132px;border-radius:38px;border:5px solid rgba(8,13,24,.92);box-shadow:0 18px 46px rgba(0,0,0,.42),0 0 0 1px rgba(255,255,255,.10)}.syo-profile-main h1{font-size:clamp(32px,4vw,60px);line-height:.98;margin:0}.syo-profile-main>p{font-size:18px;color:var(--syo-muted);margin:6px 0}.syo-profile-actions{align-self:center}.syo-profile-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.syo-stat-card{background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.035));border-color:rgba(255,255,255,.09)}.syo-profile-feed-placeholder{margin-top:16px;border:1px solid rgba(255,255,255,.09);border-radius:28px;padding:22px;background:linear-gradient(180deg,rgba(17,24,39,.80),rgba(8,13,24,.72));box-shadow:0 18px 60px rgba(0,0,0,.28)}.syo-profile-feed-placeholder h2{margin:0 0 8px}.syo-profile-feed-placeholder p{margin:0;color:var(--syo-muted);line-height:1.55}.syo-profile-edit-head{margin-bottom:14px}.syo-profile-upload-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.syo-profile-upload-grid label{border:1px dashed rgba(255,255,255,.18);border-radius:20px;padding:14px;background:rgba(255,255,255,.035)}.syo-profile-upload-grid span{display:block;margin-top:7px;color:var(--syo-muted);font-size:13px}.syo-player-badge.active-turn{border-color:rgba(247,184,75,.72);box-shadow:0 0 0 5px rgba(247,184,75,.12),0 0 36px rgba(247,184,75,.36),inset 0 0 22px rgba(247,184,75,.10)}.syo-game-avatar{border-radius:50%;box-shadow:inset 0 1px 0 rgba(255,255,255,.35)}.syo-avatar.has-photo,.syo-game-avatar.has-photo,.syo-mini-avatar.has-photo{background:#101827}.syo-ready-card,.syo-status-card,.syo-score-box{background:linear-gradient(180deg,rgba(255,255,255,.065),rgba(255,255,255,.032))}.syo-alert-error{background:rgba(239,109,109,.13);border-color:rgba(239,109,109,.28)}@media(max-width:980px){.syo-shell{padding:10px 12px 34px}.syo-hero{grid-template-columns:1fr}.syo-game-layout{grid-template-columns:1fr}.syo-side-panel{order:2}.syo-profile-identity-row{grid-template-columns:104px minmax(0,1fr);align-items:end}.syo-profile-actions{grid-column:1/-1;justify-content:flex-start}.syo-social-profile-card .syo-profile-avatar-large{width:104px;height:104px;border-radius:30px}.syo-profile-cover{height:190px}.syo-profile-stats{grid-template-columns:1fr}}@media(max-width:620px){.syo-topbar-compact{top:6px;border-radius:22px}.syo-logo span:last-child{font-size:16px}.syo-hero h1,.syo-page-head h1,.syo-play-head h1{font-size:34px}.syo-game-grid{grid-template-columns:1fr}.syo-profile-identity-row{display:flex;flex-direction:column;align-items:flex-start;gap:12px;padding:0 16px 18px;margin-top:-58px}.syo-social-profile-card .syo-profile-avatar-large{width:108px;height:108px}.syo-profile-cover{height:170px}.syo-profile-upload-grid{grid-template-columns:1fr}.syo-profile-actions{width:100%;display:grid;grid-template-columns:1fr}.syo-menu{right:8px;top:62px}.syo-room-players{grid-template-columns:1fr}.syo-player-strip{grid-template-columns:1fr}}

/* V0.2.5: full-width pro header and compact in-game player HUD */
.syo-topbar-compact{
  position:sticky;
  top:0;
  z-index:1000;
  width:100vw;
  margin-left:calc(50% - 50vw);
  margin-right:calc(50% - 50vw);
  border-radius:0 0 26px 26px;
  border-left:0;
  border-right:0;
  border-top:0;
  padding:12px max(18px,calc((100vw - 1440px)/2 + 24px));
  background:linear-gradient(180deg,rgba(8,13,24,.985),rgba(8,13,24,.955));
  box-shadow:0 18px 60px rgba(0,0,0,.42),inset 0 -1px 0 rgba(255,255,255,.07);
  backdrop-filter:blur(20px);
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  align-items:center;
  gap:14px;
}
.syo-topbar-compact .syo-logo{min-width:0;white-space:nowrap;overflow:hidden}.syo-topbar-compact .syo-logo>span:last-child{overflow:hidden;text-overflow:ellipsis}.syo-topbar-compact .syo-top-actions{margin-left:0;justify-self:end}.syo-topbar-compact .syo-menu{top:calc(100% + 10px);right:max(14px,calc((100vw - 1440px)/2 + 24px))}.syo-menu-toggle,.syo-bell{flex:0 0 auto}.syo-bell{color:#ffd36f}.syo-room-players-compact{display:none!important}
.syo-board-card{display:flex;flex-direction:column;gap:14px}.syo-match-bottom{display:grid;grid-template-columns:minmax(150px,1fr) minmax(180px,auto) minmax(150px,1fr);align-items:center;gap:12px;margin-top:0}.syo-match-bottom .syo-player-badge{min-width:0}.syo-bottom-player{padding:9px 11px;border-radius:18px;background:linear-gradient(180deg,rgba(255,255,255,.070),rgba(255,255,255,.032))}.syo-bottom-player .syo-game-avatar{width:46px;height:46px;min-width:46px;border-radius:50%;font-size:20px}.syo-bottom-player span{font-size:11px}.syo-bottom-player strong{font-size:15px;max-width:150px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.syo-bottom-player em{display:inline-flex;margin-top:4px;padding:2px 7px;border-radius:999px;background:rgba(255,255,255,.07);color:#f6d48b;font-style:normal;font-size:11px;font-weight:900}.syo-board-turn{margin:0;text-align:center;min-height:52px;display:flex;align-items:center;justify-content:center;font-size:17px;padding:12px 18px;line-height:1.25;border:1px solid rgba(240,193,102,.25);background:linear-gradient(180deg,rgba(240,193,102,.18),rgba(255,255,255,.035));box-shadow:inset 0 1px 0 rgba(255,255,255,.07)}.syo-player-badge.active-turn .syo-game-avatar{box-shadow:0 0 0 5px rgba(247,184,75,.15),0 0 34px rgba(247,184,75,.58),inset 0 1px 0 rgba(255,255,255,.35)}
.syo-board-frame{min-height:auto}.syo-play-page[data-room-code] .syo-board-turn{background:linear-gradient(180deg,rgba(100,181,255,.16),rgba(240,193,102,.075));border-color:rgba(100,181,255,.24)}
@media(max-width:980px){
  .syo-topbar-compact{padding:10px 14px;border-radius:0 0 22px 22px;min-height:68px}.syo-topbar-compact .syo-menu{right:14px;top:calc(100% + 8px)}.syo-logo-img,.syo-logo-mark{width:44px!important;height:44px!important}.syo-top-actions{gap:8px}.syo-bell,.syo-menu-toggle{width:46px;height:46px;border-radius:17px}.syo-play-head{margin-top:12px}.syo-game-layout{gap:12px}.syo-board-card{padding:12px;gap:12px}.syo-board-frame{padding:8px;border-radius:22px}.syo-board{width:100%;padding:8px;border-radius:20px}.syo-cell:nth-child(1){border-top-left-radius:12px}.syo-cell:nth-child(8){border-top-right-radius:12px}.syo-cell:nth-child(57){border-bottom-left-radius:12px}.syo-cell:nth-child(64){border-bottom-right-radius:12px}.syo-side-panel{padding:14px}.syo-match-bottom{grid-template-columns:1fr 1fr;gap:9px}.syo-match-bottom .syo-board-turn{grid-column:1/-1;order:-1}.syo-bottom-player{padding:8px;gap:8px}.syo-bottom-player .syo-game-avatar{width:42px;height:42px;min-width:42px;font-size:18px}.syo-bottom-player strong{font-size:14px;max-width:100px}.syo-bottom-player span{font-size:10px}.syo-board-turn{font-size:16px;min-height:48px;padding:10px 12px;border-radius:18px}.syo-coord{font-size:9px;left:4px;top:3px}.syo-piece{width:74%;height:74%}
}
@media(max-width:520px){
  .syo-shell{padding-left:10px;padding-right:10px}.syo-topbar-compact{margin-bottom:12px}.syo-logo>span:last-child{font-size:15px}.syo-bell,.syo-menu-toggle{width:44px;height:44px}.syo-board-card{padding:10px;border-radius:22px}.syo-board-frame{padding:6px}.syo-board{padding:7px}.syo-game-avatar{width:42px;height:42px;min-width:42px}.syo-piece.checker:before{inset:15%}.syo-piece.chess{font-size:clamp(21px,8vw,42px)}.syo-status-card,.syo-score-box,.syo-ready-card{border-radius:18px;padding:13px}.syo-panel-actions{grid-template-columns:1fr 1fr!important}.syo-panel-actions .syo-btn-danger{grid-column:1/-1}.syo-play-page[data-room-code] .syo-side-panel{margin-top:0}
}
@media(min-width:981px){.syo-board-card{position:relative}.syo-game-layout{align-items:start}.syo-side-panel{position:sticky;top:92px}}
.syo-alert-info{background:rgba(100,181,255,.10);border-color:rgba(100,181,255,.22);color:#cfe7ff}