:root{font-family:Inter,ui-sans-serif,system-ui,sans-serif;color:#1d2927;background:#f4efe5;font-synthesis:none;--ink: #173a3a;--gold: #f4b942;--paper: #fffdf8;--muted: #566662;--footer-height: 24px}*{box-sizing:border-box}body{margin:0;min-width:320px}.app-shell{min-height:100vh;padding-bottom:var(--footer-height);display:grid;grid-template-rows:auto auto minmax(0,1fr) auto}.standalone-shell{min-height:100vh;padding-bottom:var(--footer-height);display:grid;grid-template-rows:minmax(0,1fr) auto}.standalone-shell>.center,.standalone-shell>.login{min-height:0}button,input,select,textarea{font:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #5c9ead;outline-offset:2px}.center,.login{min-height:100vh;display:grid;place-content:center;text-align:center}.spinner{width:42px;height:42px;margin:auto;border:4px solid #ddd;border-top-color:var(--ink);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.login section{width:min(420px,calc(100vw - 32px));padding:42px;background:var(--paper);border-radius:24px;box-shadow:0 20px 70px #173a3a20}.brand-logo{display:block;width:min(280px,75vw);height:auto;margin:-28px auto -14px}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.logo{font-size:64px}.login h1{margin:8px 0}.login p{color:var(--muted)}form,label{display:grid;text-align:left;gap:7px}form{gap:18px;margin-top:30px}input,select{min-height:48px;border:1px solid #b9c1bd;border-radius:10px;padding:10px 12px;background:#fff}.primary{border:0;border-radius:10px;padding:11px 18px;background:var(--ink);color:#fff;font-weight:700}.primary:hover{background:#245252}.primary.large{min-height:54px;font-size:1.05rem}.quiet{border:0;background:transparent}.error{padding:12px 16px;background:#fee3df;color:#8c2016;border-radius:10px;margin:10px 0}.app-shell>header{height:68px;border-bottom:1px solid #cbd8d4;background:#edf3f0;color:var(--ink);display:flex;align-items:center;padding:0 max(18px,calc((100vw - 1200px)/2));gap:20px}.brand{border:0;background:none;color:var(--ink);display:flex;align-items:center;gap:9px;padding:0;font-weight:800;margin-right:auto;text-align:left}.brand img{width:58px;height:58px;object-fit:contain}.wordmark{display:flex;flex-direction:column;line-height:.92;letter-spacing:.01em}.wordmark span:first-child{font-size:.92rem;font-weight:600}.wordmark span:last-child{font-size:1.12rem;font-weight:850}.connection{font-size:.85rem}.connection[data-online=false]{color:#8c2016}.app-shell>header .quiet{color:var(--ink);font-weight:650}.app-shell>nav{background:var(--paper);display:flex;justify-content:center;gap:6px;padding:8px;position:sticky;top:0;z-index:3;border-bottom:1px solid #ddd6c9}.app-shell>nav button,.toolbar button,.wizard fieldset button{border:0;border-radius:10px;padding:10px 15px;background:transparent}.app-shell>nav button[aria-current=page],.toolbar button[aria-pressed=true],.wizard button[aria-pressed=true]{background:#dce9e5;color:var(--ink);font-weight:700}.app-shell>main{width:100%;min-width:0;max-width:1200px;margin:0 auto;padding:30px 20px 80px}h1{font-size:clamp(1.8rem,4vw,2.7rem);margin-bottom:26px}h2{margin-top:38px}h2 small{font-size:.75rem;color:var(--muted)}.empty{border:2px dashed #c8c2b7;border-radius:14px;padding:24px;color:var(--muted)}.library-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px}.library-heading h1{margin-bottom:4px}.library-heading p{margin:0;color:var(--muted)}.favorite-filter{min-height:44px;border:1px solid #c8c2b7;border-radius:10px;padding:9px 14px;background:var(--paper)}.favorite-filter[aria-pressed=true]{border-color:#c38916;background:#fff0c9;color:#714a00}.library-filters{display:grid;grid-template-columns:minmax(200px,2fr) repeat(3,minmax(140px,1fr)) auto;align-items:end;gap:10px;margin:24px 0 30px;padding:15px;border:1px solid #ddd6c9;border-radius:14px;background:var(--paper)}.library-filters label{min-width:0;gap:5px}.library-filters label span{color:var(--muted);font-size:.78rem;font-weight:700}.library-filters input,.library-filters select{width:100%;min-width:0;min-height:43px}.library-filters .quiet{min-height:43px}.conflict-note{display:grid;gap:4px;margin:0 0 24px;padding:13px 16px;border:1px solid #d39a2c;border-radius:12px;background:#fff3d6;color:#654300}.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(480px,1fr));gap:15px}.puzzle-card{display:grid;grid-template-columns:100px 1fr 145px;align-items:center;gap:15px;background:var(--paper);border-radius:14px;padding:12px;box-shadow:0 3px 16px #173a3a12}.puzzle-card.conflict-copy{border:2px solid #d39a2c}.puzzle-card img{width:100px;height:86px;object-fit:cover;border-radius:9px}.puzzle-card .image-placeholder{width:100px;min-height:86px;height:86px;aspect-ratio:auto;font-size:.7rem}.puzzle-card h3{margin:0}.puzzle-card p{margin:0;color:var(--muted);font-size:.85rem}.puzzle-card progress{width:75%;accent-color:var(--gold)}.puzzle-card span{font-size:.75rem;margin-left:5px}.puzzle-card-title{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:5px}.puzzle-card-title>div{min-width:0}.puzzle-card .conflict-badge{display:inline-block;margin:4px 0 0;padding:3px 7px;border-radius:999px;background:#fff0c9;color:#714a00;font-weight:700}.favorite-button{min-width:38px;min-height:38px;border:0;border-radius:50%;background:transparent;color:#9a6a0c;font-size:1.45rem;line-height:1}.favorite-button:hover,.favorite-button[aria-pressed=true]{background:#fff0c9}.puzzle-card-actions{display:grid;gap:6px}.puzzle-card-actions button{min-height:36px;border:1px solid #b9c1bd;border-radius:8px;padding:6px 9px;background:#fff;font-size:.78rem}.puzzle-card-actions .primary{border:0;background:var(--ink)}.puzzle-card-actions .danger{background:#fff8f7}.offline-badge{display:block;margin:0!important;padding:8px;border-radius:8px;background:#e4efe8;color:#24543a;text-align:center;font-weight:700}.title-row{display:flex;align-items:center;justify-content:space-between}.file-button input{position:absolute;opacity:0;width:1px;height:1px}.image-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:18px}.image-grid figure{margin:0;min-width:0;background:var(--paper);border-radius:14px;overflow:hidden}.image-grid img{width:100%;aspect-ratio:4/3;object-fit:cover}.image-placeholder{display:grid;place-items:center;width:100%;min-height:120px;aspect-ratio:4/3;padding:12px;background:#e8e4da;color:var(--muted);text-align:center}.image-grid figcaption{padding:12px;font-weight:600;display:grid;min-width:0;grid-template-columns:minmax(0,1fr);overflow-wrap:anywhere}.image-grid small{color:var(--muted);font-weight:400}.image-actions{display:grid;grid-template-columns:minmax(0,1fr);gap:6px;margin-top:10px}.image-actions button{min-width:0;padding:7px}.image-grid figcaption form,.image-grid figcaption label,.image-grid figcaption input{min-width:0;width:100%}.upload-preview{display:grid;grid-template-columns:minmax(220px,420px) 1fr;gap:22px;align-items:center;margin-bottom:24px}.upload-preview img{width:100%;max-height:320px;object-fit:contain;border-radius:12px;background:#dedad0}.upload-preview button{margin-right:8px}.offline-note{color:#8c2016}.offline-users{display:grid;gap:8px;margin-top:20px;padding-top:18px;border-top:1px solid #d8d2c6}.unlock-options{display:grid;gap:8px;margin:0;padding:0;border:0;text-align:left}.unlock-options legend{margin-bottom:4px;font-weight:700}.unlock-options label{grid-template-columns:auto 1fr;align-items:start;gap:10px;padding:10px;border:1px solid #d8d2c6;border-radius:10px}.unlock-options input{width:18px;min-height:18px;margin:2px 0 0;padding:0}.unlock-options span{display:grid;gap:3px}.unlock-options small{color:var(--muted);line-height:1.35}.offline-consent-group{text-align:left}.offline-consent-group p{margin:0 0 10px}.offline-consent{grid-template-columns:auto 1fr;align-items:start;gap:10px;line-height:1.4}.offline-consent input{width:18px;min-height:18px;margin:2px 0 0}.reset-vault{width:100%;margin-top:18px}.wizard{display:grid;gap:24px;max-width:840px}.picker{display:flex;gap:10px;overflow:auto;padding:4px}.picker button{min-width:135px;border:3px solid transparent;background:var(--paper);border-radius:12px;padding:5px}.picker button[aria-pressed=true]{border-color:var(--gold)}.picker img{width:120px;height:90px;object-fit:cover;border-radius:8px;display:block}.picker .image-placeholder{width:120px;min-height:90px;height:90px;aspect-ratio:auto;border-radius:8px;font-size:.7rem}.picker span{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.wizard fieldset{border:0;padding:0}.wizard legend{font-weight:700;margin-bottom:8px}.difficulty-description{max-width:620px;margin:10px 0 0;color:var(--muted)}.settings{max-width:700px;background:var(--paper);padding:10px 25px 28px;border-radius:14px}.settings button{max-width:100%;min-height:44px;border:1px solid var(--ink);border-radius:10px;padding:10px 15px;background:#e6f0ed;color:var(--ink);font-weight:700;text-align:center}.settings button:hover:not(:disabled){background:#d2e4de}.settings button.primary{background:var(--ink);color:#fff}.settings button.primary:hover:not(:disabled){background:#245252}.settings button:disabled{border-color:#899b96;background:#e5e9e7;color:#52635e;cursor:not-allowed}.setting-toggle{grid-template-columns:auto 1fr;align-items:center;gap:10px;margin:12px 0}.setting-toggle input{width:22px;min-height:22px;height:22px;accent-color:var(--ink)}.statistics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px}.statistics-grid article{display:grid;gap:6px;min-height:135px;align-content:center;padding:22px;border-radius:16px;background:var(--paper);box-shadow:0 3px 16px #173a3a12}.statistics-grid strong{color:var(--ink);font-size:clamp(1.65rem,4vw,2.4rem)}.statistics-grid span{color:var(--muted)}.admin-users{display:grid;grid-template-columns:minmax(260px,360px) 1fr;gap:28px}.admin-users form{background:var(--paper);padding:20px;border-radius:14px;margin:0}.admin-users article{display:flex;align-items:center;justify-content:space-between;background:var(--paper);padding:14px;margin-bottom:8px;border-radius:10px}.admin-users article div{display:grid}.admin-users small{color:var(--muted)}.user-actions{display:flex!important;align-items:center;gap:8px}.user-actions details{position:relative}.user-actions summary{cursor:pointer}.user-actions form{position:absolute;right:0;z-index:4;width:280px;padding:12px;box-shadow:0 10px 30px #173a3a30}.danger{color:#8c2016;border-color:#c96c61!important}.player{height:100vh;padding-bottom:var(--footer-height);display:grid;grid-template-rows:58px auto minmax(0,1fr) 56px auto;background:#25312f;color:#fff;overflow:hidden}.player header,.player-status{display:flex;align-items:center;justify-content:space-between;padding:8px 18px;background:var(--ink)}.player button{min-height:40px;border:0;border-radius:9px;padding:8px 13px}.player-header-actions{display:flex;align-items:center;justify-content:flex-end;gap:10px}.player header .toolbar-toggle{min-height:32px;padding:5px 9px;border:1px solid #8fa39d;background:#25312f;color:#fff;font-size:.76rem}.toolbar{display:flex;align-items:center;justify-content:flex-start;gap:8px;padding:8px;position:relative;z-index:5;background:#14201d}.toolbar.collapsed{display:none}.toolbar-main{min-width:0;flex:1;display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:7px}.toolbar.tablet-toolbar{align-items:flex-start;gap:4px;padding:5px}.toolbar.tablet-toolbar .toolbar-main{justify-content:flex-start;gap:4px}.toolbar.tablet-toolbar button,.toolbar.tablet-toolbar .toolbar-more>summary{min-height:36px;padding:5px 8px;border-radius:7px;font-size:.76rem}.toolbar.tablet-toolbar .toolbar-select{gap:4px;font-size:.7rem}.toolbar.tablet-toolbar .toolbar-select select{min-height:36px;max-width:120px;padding:4px 6px}.toolbar.tablet-toolbar .zoom-controls{gap:3px;font-size:.76rem}.toolbar.tablet-toolbar .zoom-controls span{min-width:46px}.toolbar button,.toolbar-more>summary{border:1px solid #c8d6d2;background:#f4f3ed;color:#14201d;font-weight:650;white-space:nowrap}.toolbar button:hover:not(:disabled),.toolbar-more>summary:hover{background:#fff}.toolbar button[aria-pressed=true]{border-color:#9ed2c5;background:#bfe2d9;color:#10201c}.toolbar button:disabled{opacity:.55}.toolbar .danger{border-color:#e6a59c!important;background:#ffe3de;color:#72190f}.toolbar-select{display:flex;align-items:center;gap:5px;color:#fff;font-size:.78rem;font-weight:650;white-space:nowrap}.toolbar-select select{min-height:40px;max-width:145px;padding:5px 8px;border:1px solid #c8d6d2;border-radius:8px;background:#fff;color:#14201d}.zoom-controls{display:flex;align-items:center;gap:4px;color:#fff;font-weight:700;white-space:nowrap}.zoom-controls span{min-width:52px;text-align:center}.tray-zoom-controls>span:first-child{min-width:auto;margin-right:2px;font-size:.78rem}.toolbar-more{position:relative;flex:0 0 auto}.toolbar-more>summary{min-height:40px;display:flex;align-items:center;border-radius:9px;padding:8px 13px;cursor:pointer;list-style:none}.toolbar-more>summary::-webkit-details-marker{display:none}.toolbar-more>summary:after{content:"▾";margin-left:8px}.toolbar-more[open]>summary:after{content:"▴"}.toolbar-panel{position:absolute;top:calc(100% + 8px);right:0;z-index:10;width:min(620px,calc(100vw - 16px));display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:8px;padding:12px;border:1px solid #60706b;border-radius:12px;background:#17211f;box-shadow:0 12px 32px #0009}.toolbar-panel.side-selector{width:auto;min-width:max-content}.toolbar-panel.layout-selector{width:min(760px,calc(100vw - 16px));min-width:0;justify-content:flex-start}.toolbar-panel.tray-theme-selector{width:auto;min-width:max-content}.toolbar .tray-theme-selector button[data-theme=light]{background:#e8efec;color:#14201d}.toolbar .tray-theme-selector button[data-theme=medium]{background:#71857e;color:#071411}.toolbar .tray-theme-selector button[data-theme=dark]{background:#25312f;color:#fff}.toolbar .tray-theme-selector button[aria-pressed=true]{outline:3px solid #f4bd58;outline-offset:2px}.workspace{position:relative;overflow:hidden;background:radial-gradient(#52615d 1px,transparent 1px);background-size:20px 20px}.puzzle-canvas,.puzzle-canvas canvas{width:100%;height:100%;display:block}.puzzle-canvas canvas{touch-action:none;-webkit-user-select:none;user-select:none}.puzzle-canvas[data-pan=true] canvas{cursor:grab}.missing-player-image{height:100%;display:grid;place-content:center;justify-items:center;color:#e6eeeb}.canvas-state{position:absolute;z-index:4;inset:50% auto auto 50%;transform:translate(-50%,-50%);padding:14px 18px;border-radius:10px;background:#17211fdd;color:#fff;box-shadow:0 8px 30px #0008}.canvas-state.error{width:min(520px,calc(100% - 32px));margin:0;background:#fee3df;color:#8c2016}.completed-puzzle-view{position:absolute;inset:0;display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,310px);grid-template-rows:minmax(0,1fr);align-items:center;gap:24px;padding:24px;background:#17211f}.completed-puzzle-image{position:relative;min-width:0;min-height:0;width:100%;height:100%;overflow:hidden}.completed-puzzle-image>img{position:absolute;inset:0;display:block;width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 16px 36px #0008)}.completion-summary{z-index:5;width:100%;padding:22px;border-radius:18px;background:var(--paper);color:var(--ink);text-align:center;box-shadow:0 24px 80px #000a}.pause-overlay{position:absolute;z-index:6;inset:0;display:grid;place-content:center;justify-items:center;background:#17211fe8;color:#fff;text-align:center}.pause-overlay div{font-size:3rem}.pause-overlay h2{margin:8px 0 0}.puzzle-feedback{position:absolute;z-index:7;inset:50% auto auto 50%;pointer-events:none;color:#ffe5a8;font-size:5rem;font-weight:900;text-shadow:0 5px 24px #000b;animation:puzzle-feedback .65s ease-out both}.puzzle-feedback.completed{animation-duration:1.2s}.completion-summary.animated{animation:completion-enter .5s cubic-bezier(.2,.8,.2,1) both}@keyframes puzzle-feedback{0%{opacity:0;transform:translate(-50%,-50%) scale(.4)}45%{opacity:1;transform:translate(-50%,-50%) scale(1.15)}to{opacity:0;transform:translate(-50%,-65%) scale(1)}}@keyframes completion-enter{0%{opacity:0;transform:translateY(12px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}.completion-summary div{font-size:3rem}.completion-summary h2{margin:8px 0}.completion-summary p{color:var(--muted)}.player-status span{min-width:0;overflow:hidden;font-size:.85rem;color:#fff;text-overflow:ellipsis;white-space:nowrap}.player-status button{flex:0 0 auto}.update-notice{position:fixed;right:18px;bottom:calc(var(--footer-height) + 18px);z-index:100;display:flex;align-items:center;gap:18px;width:min(620px,calc(100vw - 36px));padding:16px 18px;border:1px solid #91aaa3;border-radius:14px;background:#fffdf8;color:var(--ink);box-shadow:0 10px 38px #173a3a38}.update-notice>div:first-child{display:grid;flex:1;gap:3px}.update-notice span{font-size:.88rem}.update-error{color:#8c2016}.update-actions{display:flex;gap:8px}.update-actions button{min-height:42px;padding:9px 13px;border:1px solid #b9c1bd;border-radius:10px;background:#fff}.update-actions .primary{border:0;background:var(--ink)}.product-footer{position:fixed;right:0;bottom:0;left:0;z-index:20;min-height:var(--footer-height);padding:4px 8px;border-top:1px solid #cbd8d4;background:#edf3f0;color:#173a3a;font-size:.625rem;font-weight:600;line-height:1.3;text-align:center;display:flex;flex-wrap:wrap;justify-content:center;gap:2px 12px}.product-footer a,.legal-page a,.legal-admin a{color:#174d57;text-decoration:underline;text-underline-offset:2px}.footer-links{white-space:nowrap}.legal-page{width:min(900px,100%);margin:0 auto;padding:28px clamp(16px,4vw,40px) 48px}.legal-content{padding:clamp(18px,4vw,36px);border-radius:14px;background:var(--paper);overflow-wrap:anywhere;line-height:1.65}.legal-content>:first-child{margin-top:0}.legal-content>:last-child{margin-bottom:0}.legal-content ul,.legal-content ol{padding-left:1.5em}.legal-content li+li{margin-top:.25em}.legal-content a{color:#174d57;text-decoration:underline}.legal-admin-forms{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,360px),1fr));align-items:start;gap:20px}.legal-admin-forms form{align-content:start;margin-top:0;padding:20px;border-radius:14px;background:var(--paper)}.legal-admin-forms label{font-weight:700}.legal-admin-forms textarea{width:100%;min-height:280px;padding:12px;border:1px solid #b9c1bd;border-radius:10px;resize:vertical;line-height:1.5}.legal-preview{margin-top:16px}.legal-preview h2{font-size:1rem}.legal-preview .legal-content{border:1px solid #b9c1bd;padding:16px}.legal-admin-actions{display:flex;align-items:center;flex-wrap:wrap;gap:16px}@media(max-width:1100px){.player{grid-template-rows:auto auto minmax(0,1fr) 56px auto}.player header,.player-status{min-height:56px}.player-status{overflow:hidden}.toolbar{align-items:flex-start}.toolbar-main{justify-content:flex-start}.toolbar button,.toolbar-more>summary{min-height:38px;padding:7px 10px}}@media(max-width:900px){.library-filters{grid-template-columns:repeat(2,minmax(0,1fr))}.library-search,.library-filters .quiet{grid-column:1 / -1}}@media(max-width:700px){:root{--footer-height: 36px}.update-notice{right:10px;bottom:10px;align-items:stretch;flex-direction:column;gap:12px;width:calc(100vw - 20px)}.update-actions button{flex:1}.completed-puzzle-view{grid-template-columns:1fr;grid-template-rows:minmax(0,1fr) auto;gap:12px;padding:12px}.completion-summary{padding:14px 18px}.completion-summary div{display:none}.completion-summary h2,.completion-summary p{margin:4px 0}.app-shell>header{padding:0 10px}.connection{display:none}.brand{gap:6px}.brand img{width:50px;height:50px}.wordmark span:first-child{font-size:.78rem}.wordmark span:last-child{font-size:.92rem}.app-shell>nav{justify-content:flex-start;overflow:auto}.app-shell>nav button{white-space:nowrap}.cards{grid-template-columns:1fr}.library-heading{align-items:flex-start;flex-direction:column}.library-filters{grid-template-columns:1fr 1fr}.library-search,.library-filters .quiet{grid-column:1 / -1}.puzzle-card{grid-template-columns:75px 1fr}.puzzle-card img,.puzzle-card .image-placeholder{width:75px}.puzzle-card-actions{grid-column:1/-1;grid-template-columns:repeat(2,1fr)}.title-row{align-items:flex-start;gap:12px}.upload-preview,.admin-users{grid-template-columns:1fr}.player header strong{max-width:45vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.player-status span{display:none}.player header,.player-status{padding:6px 8px}.player header>span{font-size:.78rem}.toolbar{gap:5px;padding:6px}.toolbar-main{gap:5px}.toolbar button,.toolbar-more>summary{min-height:36px;padding:6px 9px;font-size:.8rem}.toolbar-select{font-size:.72rem}.toolbar-select select{min-height:36px;max-width:112px}.toolbar-panel{justify-content:flex-start}}@media(prefers-reduced-motion:reduce){.puzzle-feedback,.completion.animated{animation:none}}