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.icon-button{margin-left:auto;width:30px;height:36px}.room-code-block{padding:15px;background:var(--surface-soft)}.room-code-row{display:flex;justify-content:space-between;gap:10px;align-items:center;margin:5px 0}.room-code{font-size:30px;letter-spacing:6px;font-weight:750;font-variant-numeric:tabular-nums;-webkit-user-select:all;user-select:all}.lobby-info{display:flex;flex-direction:column;gap:12px;margin:0;font-size:11px}.lobby-info>div{display:flex;justify-content:space-between;gap:8px}.lobby-info dt{color:var(--muted);flex-shrink:0}.lobby-info dd{margin:0;text-align:right}.conn-dot{display:inline-flex;align-items:center;gap:5px}.conn-dot:before{content:"";width:5px;height:5px;background:var(--text);border-radius:50%}.conn-dot.offline{color:var(--accent)}.conn-dot.offline:before{background:var(--accent)}.lobby-actions{display:flex;gap:8px;flex-wrap:wrap}.lobby-actions .button{flex:1}.connecting-state p{margin-top:12px;font-size:12px;color:var(--muted)}.connection-track{height:3px;background:var(--surface-soft);overflow:hidden}.connection-track:after{content:"";display:block;width:40%;height:100%;background:var(--accent);animation:connect 1.5s ease-in-out infinite alternate}@keyframes connect{to{transform:translate(150%)}}.setup-page{max-width:820px;margin:30px auto 0}.page-heading h1{font-size:clamp(27px,3vw,36px);letter-spacing:-1px;font-weight:750}.page-heading p{color:var(--muted);font-size:13px;line-height:1.85;max-width:60ch;margin-top:12px}.setup-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:60px;margin-top:35px}.setup-local{display:flex;flex-direction:column;gap:35px}.setup-section>.button,.setup-section>.hint{margin-top:16px}.preferences-row{display:flex;align-items:center;justify-content:space-between;gap:15px}.preferences-row .lang-switch select{max-width:240px}.modal{padding:0;margin:auto;border:1px solid var(--line);border-radius:6px;max-width:calc(100% - 32px);max-height:calc(100dvh - 32px);color:var(--text);background:var(--surface);box-shadow:0 24px 100px #18181040}.modal::backdrop{background:#1719137a;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.modal-surface{position:relative}.modal-close{position:absolute;right:14px;top:14px}.confirm-modal{width:420px}.confirm-modal .modal-surface{padding:36px 28px 28px}.confirm-modal h2{padding-right:20px;font-size:23px;line-height:1.5}.confirm-modal p{margin-top:16px;font-size:13px;color:var(--muted);line-height:1.8}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:28px}.welcome-modal{width:740px}.welcome-modal .modal-surface{display:grid;grid-template-columns:.9fr 1fr}.welcome-art{position:relative;min-height:450px;overflow:hidden}.welcome-art 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.board-wrap>svg{height:clamp(280px,calc(100svh - 430px),440px)}.variant-standard .board-wrap>svg{width:100%;height:auto}.board-hint{padding-top:8px;min-height:28px;font-size:10px}.controls-col{margin-top:10px}.controls .button{font-size:11px;min-height:44px;gap:4px;padding-inline:6px}.controls .button svg{width:14px}.rotation-control{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2.2fr);gap:4px 10px;padding:10px}.rotation-heading h3{font-size:10px}.rotation-heading .icon-button{width:22px;height:26px}.rotation-control .rotate-row{grid-column:2;grid-row:1 / 3;margin:0;gap:5px}.rotation-control .rotate-btn{gap:4px;padding:4px;font-size:11px}.rotation-control .hint{font-size:10px;margin:0;min-height:0}.rotation-control.ready{border-color:var(--accent)}.drop-facing-panel:not(.idle){padding:10px 12px;position:relative}.drop-facing-panel:not(.idle) .facing-buttons button{min-height:44px}.drop-facing-panel:not(.idle) .dfp-piece{position:absolute;top:11px;right:56px}.setup-page{margin-top:24px}.setup-layout{grid-template-columns:1fr;gap:32px;margin-top:28px}.setup-local{gap:28px}.lobby-content{gap:15px}.lobby-content>.lobby-section{max-width:none}.lobby-hint,.lobby-intro{font-size:11px}.lobby-label,.variant-row label{font-size:10px}.modal{max-width:calc(100% - 24px);max-height:calc(100dvh - 24px)}.welcome-modal{width:460px}.welcome-modal .modal-surface{grid-template-columns:1fr}.welcome-art{min-height:0;height:175px}.welcome-art img{object-position:center 38%}.welcome-art>span{left:20px;bottom:15px;font-size:26px}.welcome-copy{padding:27px 25px 24px}.welcome-label{margin-bottom:12px}.welcome-copy h2{font-size:29px;line-height:1.35}.welcome-copy p{margin:14px 0 20px;font-size:12px}.welcome-copy .modal-close{background:var(--surface);border:1px solid var(--line)}.welcome-copy small{margin-top:7px}.tutorial-page{height:calc(100dvh - 104px);min-height:0;margin-top:20px}.tutorial-header{padding:0 0 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12px;font-size:11px;gap:6px}.demo-layout{grid-template-columns:1fr;gap:15px}.demo-board{max-width:260px;margin:auto}.demo-description .demo-note{font-size:10px}.demo-description .rotate-row{gap:5px}.demo-description .rotate-btn{min-height:42px;font-size:11px}.demo-description .rotate-btn svg{width:24px}.piece-picker{gap:5px}.piece-picker button{width:39px;height:42px}}@media (max-width: 380px){.app{padding-inline:12px}.app-header{gap:11px}.main-nav{gap:15px}.brand>span:last-child{display:none}.theme-switch{width:28px}.controls{gap:5px}.controls .button svg{display:none}.demo-layout{grid-template-columns:1fr}.demo-board{width:180px;margin:auto}.welcome-art{height:130px}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}