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var(--border-strong);background:var(--surface);border-radius:24px;align-content:center;place-items:center;min-height:320px;padding:30px;display:grid}.placeholder-mark{background:var(--silver-soft);border-radius:18px;place-items:center;width:60px;height:60px;margin-bottom:16px;display:grid}.placeholder-card h2{margin:0;font-size:17px}.placeholder-card p{color:var(--muted);margin:8px 0 0;font-size:13px}.mobile-nav{display:none}@media (width<=1050px){.hero-art{right:2%;transform:scale(.82)}.hero-content{max-width:620px}}@media (width<=800px){.app-shell{display:block}.app-content{padding:24px 18px 96px}.topbar{height:calc(64px + env(safe-area-inset-top));min-height:calc(64px + env(safe-area-inset-top));padding:env(safe-area-inset-top) 18px 0}.topbar-context{display:none}.mobile-brand{display:block}.mobile-brand-link{letter-spacing:.17em;font-size:13px;font-weight:700}.mobile-brand-logo{border-radius:10px;width:34px;height:34px}.mobile-brand-logo img{width:27px;height:27px}.search-action{justify-content:center;width:42px;padding:0}.search-action span,.search-action kbd{display:none}.hero-card{border-radius:24px;min-height:0}.hero-content{max-width:none;padding:34px 25px 32px}.hero-content h1{font-size:clamp(39px,11vw,57px)}.hero-art{order:-1;width:100%;height:180px;position:relative;right:auto;transform:none}.hero-card{flex-direction:column}.hero-logo-glow{width:118px;height:118px}.hero-orbit{transform:scale(.7)rotate(-18deg)}.orbit-two{transform:scale(.7)rotate(55deg)}.hero-piece-label{bottom:15px;right:25px}.stats-grid,.dashboard-collections{grid-template-columns:1fr}.dashboard-collection-card{flex-direction:column;align-items:flex-start}.repertoire-order-hint{order:3;margin-left:0}.stat-card{align-items:center;min-height:92px}.stat-content{flex-flow:wrap;align-items:baseline;gap:8px}.stat-label{margin-top:0}.stat-meta{width:100%;margin-top:-3px}.section-heading{margin-top:34px}.mobile-nav{z-index:50;border:1px solid var(--border);background:var(--surface-solid);border-radius:19px;padding:6px;display:block;position:fixed;bottom:12px;left:12px;right:12px}@supports (color:color-mix(in lab, red, red)){.mobile-nav{background:color-mix(in srgb, var(--surface-solid) 86%, transparent)}}.mobile-nav{-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);padding-bottom:calc(6px + env(safe-area-inset-bottom));box-shadow:0 18px 55px #14141229}.mobile-nav-inner{grid-template-columns:repeat(5,1fr);gap:3px;display:grid}.mobile-nav-item{min-height:53px;color:var(--faint);border-radius:13px;flex-direction:column;justify-content:center;align-items:center;gap:5px;font-size:8px;font-weight:650;text-decoration:none;display:flex}.mobile-nav-item.is-active{color:var(--text);background:var(--accent-soft)}}@media (width<=480px){.app-content{padding:18px 13px 94px}.topbar{padding:env(safe-area-inset-top) 13px 0}.profile-chip{display:none}.hero-content{padding:27px 21px 28px}.hero-content h1{font-size:41px}.hero-content p{font-size:13px}.hero-actions{flex-direction:column}.primary-button,.secondary-button{width:100%}.hero-art{height:155px}.hero-logo-glow{width:100px;height:100px}.hero-logo-glow img{width:70px;height:70px}.recent-card{align-items:flex-start}.round-arrow{display:none}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}.openings-heading{justify-content:space-between;align-items:flex-end;gap:24px;display:flex}.opening-count{border:1px solid var(--border);background:var(--surface);color:var(--muted);border-radius:13px;align-items:baseline;gap:7px;padding:11px 14px;display:flex}.opening-count strong{color:var(--text);font-size:18px}.opening-count span{font-size:10px}.opening-search{border:1px solid var(--border);background:var(--surface);border-radius:16px;align-items:center;gap:11px;max-width:720px;min-height:52px;margin-bottom:42px;padding:0 15px;display:flex;box-shadow:0 8px 28px #2324260a}.opening-search>span{color:var(--faint);font-size:20px}.opening-search input{min-width:0;color:var(--text);background:0 0;border:0;outline:0;flex:1;font-size:13px}.opening-search input::placeholder{color:var(--faint)}.opening-search button{background:var(--surface-soft);width:28px;height:28px;color:var(--muted);cursor:pointer;border:0;border-radius:8px}.opening-section{margin-top:46px}.opening-section-heading{justify-content:space-between;align-items:center;margin-bottom:14px;display:flex}.opening-section-heading>div{align-items:center;gap:9px;display:flex}.opening-section-heading h2{letter-spacing:-.02em;margin:0;font-size:17px}.opening-section-heading span:last-child{background:var(--surface-soft);min-width:24px;height:24px;color:var(--faint);border-radius:99px;place-items:center;padding:0 7px;font-size:9px;display:grid}.side-dot{width:7px;height:7px;box-shadow:0 0 0 5px var(--accent-soft);border-radius:50%}.white-dot{background:#f3f4f5;border:1px solid #9a9da1}.black-dot{background:#202225;border:1px solid #5d6165}.opening-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.opening-card{border:1px solid var(--border);background:var(--surface);min-width:0;min-height:258px;color:var(--text);border-radius:20px;flex-direction:column;text-decoration:none;transition:all .22s;display:flex;overflow:hidden}.opening-card:hover{border-color:var(--border-strong);transform:translateY(-3px);box-shadow:0 20px 45px #2d271f14}.opening-card-top{justify-content:space-between;align-items:center;padding:16px 16px 0;display:flex}.opening-piece{border-radius:13px;place-items:center;width:42px;height:42px;font-size:21px;display:grid}.opening-piece.white{color:#1c1c1b;text-shadow:0 1px #fff;background:linear-gradient(145deg,#f4f5f6,#e2e4e6)}.opening-piece.black{color:#eceef0;background:linear-gradient(145deg,#2b2d30,#151618)}.eco-badge{border:1px solid var(--border);color:var(--faint);letter-spacing:.05em;border-radius:8px;padding:5px 8px;font-size:9px;font-weight:700}.opening-card-body{flex:1;padding:17px 17px 14px}.opening-side{color:var(--accent-2);letter-spacing:.15em;font-size:8px;font-weight:800}.opening-card h3{letter-spacing:-.025em;margin:6px 0 0;font-size:18px}.opening-moves{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;margin-top:8px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;overflow:hidden}.opening-card p{color:var(--faint);margin:11px 0 0;font-size:11px;line-height:1.55}.opening-card-footer{border-top:1px solid var(--border);color:var(--faint);letter-spacing:.03em;justify-content:space-between;align-items:center;padding:12px 17px;font-size:9px;font-weight:700;display:flex}.opening-card:hover .opening-card-footer{color:var(--accent-2)}.empty-inline{border:1px dashed var(--border-strong);color:var(--faint);text-align:center;border-radius:16px;padding:26px;font-size:12px}.notes-list{gap:12px;display:grid}.note-card{border:1px solid var(--border);background:var(--surface);border-radius:20px;overflow:hidden}.note-card-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:20px;padding:20px 22px;display:flex}.note-card-header h2{letter-spacing:-.025em;margin:6px 0 0;font-size:18px}.note-card-header p{color:var(--muted);margin:5px 0 0;font:10px ui-monospace,SFMono-Regular,Menlo,monospace}.note-card-body{padding:20px 22px}.note-card-body p{color:var(--text);white-space:pre-wrap;margin:0;font-size:13px;line-height:1.75}.note-card-body span{color:var(--faint);text-overflow:ellipsis;white-space:nowrap;margin-top:14px;font:9px ui-monospace,SFMono-Regular,Menlo,monospace;display:block;overflow:hidden}@media (width<=1050px){.opening-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=700px){.openings-heading{align-items:flex-start}.opening-count{display:none}.opening-grid{grid-template-columns:1fr}.opening-section{margin-top:36px}}.app-shell [class*="bg-[#0f1117]"]{background:var(--bg)!important}.app-shell [class*="bg-[#151821]"]{background:var(--surface-solid)!important}.app-shell [class*="bg-[#191d27]"]{background:var(--surface-soft)!important}.app-shell [class*=bg-white\/10],.app-shell [class*=bg-white\/5],.app-shell [class*="bg-white/[0.02]"]{background:var(--accent-soft)!important}.app-shell [class*=border-white\/10],.app-shell [class*=border-white\/5]{border-color:var(--border)!important}.app-shell [class*=text-white]{color:var(--text)!important}.app-shell [class*=text-gray-200],.app-shell [class*=text-gray-300],.app-shell [class*=text-gray-400],.app-shell [class*=text-gray-500]{color:var(--muted)!important}.app-shell [class*=text-gray-600],.app-shell [class*=text-gray-700]{color:var(--faint)!important}.app-shell [class*="hover:bg-white/5"]:hover,.app-shell [class*="hover:bg-white/10"]:hover{background:var(--surface-soft)!important}.openings-heading{align-items:flex-start}.opening-heading-actions{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:10px;display:flex}.outline-action{border:1px solid var(--border);background:var(--surface);min-height:42px;color:var(--text);border-radius:12px;justify-content:center;align-items:center;padding:0 14px;font-size:11px;font-weight:650;text-decoration:none;transition:all .2s;display:inline-flex}.outline-action:hover{background:var(--surface-soft);border-color:var(--border-strong);transform:translateY(-1px)}.opening-card-main{color:inherit;flex:1;text-decoration:none;display:block}.opening-card-footer{gap:12px}.opening-card-footer>span{min-width:0}.repertoire-add-button{border:1px solid var(--border-strong);background:var(--text);min-height:31px;color:var(--surface-solid);font:inherit;cursor:pointer;border-radius:9px;flex:none;padding:0 10px;font-size:9px;font-weight:700;transition:all .2s}.repertoire-add-button:hover:not(:disabled){opacity:.86;transform:translateY(-1px)}.repertoire-add-button.is-added,.repertoire-add-button:disabled{background:var(--surface-soft);color:var(--muted);border-color:var(--border);cursor:default}.repertoire-intro{border:1px solid var(--border);background:var(--surface);border-radius:17px;justify-content:space-between;align-items:center;gap:18px;margin-top:-14px;padding:16px 18px;display:flex}.repertoire-intro>div{align-items:baseline;gap:8px;display:flex}.repertoire-intro strong{letter-spacing:-.04em;font-size:25px}.repertoire-intro span{color:var(--muted);font-size:11px}.repertoire-section{margin-top:38px}.repertoire-list{gap:10px;display:grid}.repertoire-card{border:1px solid var(--border);background:var(--surface);cursor:grab;border-radius:16px;align-items:center;gap:12px;min-height:82px;padding:12px 14px;transition:all .2s;display:flex}.repertoire-card:hover{border-color:var(--border-strong);transform:translateY(-1px)}.repertoire-card:active{cursor:grabbing}.repertoire-card.is-dragging{opacity:.45;transform:scale(.99)}.repertoire-drag-handle{width:24px;height:36px;color:var(--faint);letter-spacing:-3px;cursor:grab;background:0 0;border:0;flex:0 0 24px;padding:0;font-size:14px;line-height:1}.repertoire-drag-handle:hover{color:var(--text)}.repertoire-order-hint{color:var(--faint);margin-left:auto;font-size:10px}.repertoire-card-link{min-width:0;color:inherit;flex:1;align-items:center;gap:14px;text-decoration:none;display:flex}.repertoire-card-piece{background:var(--surface-soft);width:44px;height:44px;color:var(--text);border-radius:12px;flex:0 0 44px;place-items:center;font-size:21px;display:grid}.repertoire-card-info{min-width:0}.repertoire-card-info>span{color:var(--faint);letter-spacing:.12em;font-size:8px;font-weight:800}.repertoire-card-info h3{letter-spacing:-.02em;margin:3px 0 0;font-size:15px}.repertoire-card-info p{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;margin:3px 0 0;font:10px ui-monospace,SFMono-Regular,Menlo,monospace;overflow:hidden}.repertoire-remove{border:1px solid var(--border);min-height:32px;color:var(--faint);font:inherit;cursor:pointer;background:0 0;border-radius:9px;padding:0 10px;font-size:9px}.repertoire-remove:hover{color:var(--text);background:var(--surface-soft)}.repertoire-empty{border:1px dashed var(--border-strong);background:var(--surface);text-align:center;border-radius:18px;flex-direction:column;justify-content:center;align-items:center;min-height:190px;padding:28px;display:flex}.repertoire-empty-mark{background:var(--surface-soft);width:42px;height:42px;color:var(--muted);border-radius:12px;place-items:center;margin-bottom:11px;font-size:20px;display:grid}.repertoire-empty strong{font-size:13px}.repertoire-empty p{color:var(--muted);margin:5px 0 14px;font-size:11px}@media (width<=700px){.note-card-header{flex-direction:column;align-items:flex-start}.note-card-header .outline-action{width:100%}.note-card-body{padding-top:16px}.opening-heading-actions{justify-content:flex-start;width:100%}.opening-heading-actions .opening-count{display:flex}.repertoire-intro{flex-direction:column;align-items:flex-start}.repertoire-card{align-items:flex-start}.repertoire-remove{margin-left:auto}.opening-card-footer{flex-direction:column;align-items:flex-start}.repertoire-add-button{width:100%}}.profile-wrap{position:relative}.profile-menu{z-index:50;border:1px solid var(--border);background:var(--surface-solid);border-radius:16px;width:220px;padding:10px;position:absolute;top:calc(100% + 10px);right:0;box-shadow:0 18px 50px #14141424}.profile-menu-head{border-bottom:1px solid var(--border);align-items:center;gap:10px;margin-bottom:6px;padding:8px 8px 12px;display:flex}.profile-avatar{background:var(--surface-soft);border-radius:10px;place-items:center;width:32px;height:32px;font-size:12px;font-weight:700;display:grid}.profile-menu-head strong,.profile-menu-head small{display:block}.profile-menu-head strong{font-size:12px}.profile-menu-head small{color:var(--muted);margin-top:2px;font-size:10px}.profile-menu>a,.profile-menu>button{width:100%;color:var(--text);text-align:left;font:inherit;cursor:pointer;background:0 0;border:0;border-radius:9px;padding:9px 8px;font-size:11px;display:block}.profile-menu>a:hover,.profile-menu>button:hover{background:var(--surface-soft)}.notes-toolbar{justify-content:space-between;align-items:center;gap:16px;margin:28px 0 18px;display:flex}.notes-filters,.notes-actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.notes-filters button{color:var(--muted);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:10px;align-items:center;gap:7px;padding:8px 11px;font-size:11px;display:inline-flex}.notes-filters button:hover,.notes-filters button.is-active{border-color:var(--border);background:var(--surface);color:var(--text)}.notes-filters span{background:var(--surface-soft);text-align:center;border-radius:99px;min-width:18px;padding:2px 5px;font-size:9px}.notes-add{align-items:center;gap:7px;display:inline-flex}.note-card{position:relative}.note-card-header{grid-template-columns:auto minmax(0,1fr) auto;align-items:start;gap:16px;display:grid}.note-favorite{border:1px solid var(--border);width:34px;height:34px;color:var(--faint);cursor:pointer;background:0 0;border-radius:10px;place-items:center;display:grid}.note-favorite.is-active{color:var(--text);background:var(--surface-soft)}.note-card-title h2{letter-spacing:-.025em;margin:5px 0 0;font-size:18px}.note-card-title p{color:var(--muted);margin:5px 0 0;font:10px ui-monospace,SFMono-Regular,Menlo,monospace}.note-card-actions{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:7px;display:flex}.danger-action{border:1px solid var(--border);color:var(--muted);cursor:pointer;background:0 0;border-radius:10px;padding:9px 11px;font-size:11px}.danger-action:hover{color:#a44;border-color:#a444444d}.notes-empty-actions{flex-wrap:wrap;justify-content:center;gap:8px;margin-top:18px;display:flex}.note-modal-backdrop{z-index:100;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#0a0a0a61;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.note-modal{border:1px solid var(--border);background:var(--surface-solid);border-radius:22px;width:min(620px,100%);max-height:min(760px,90vh);padding:24px;overflow:auto;box-shadow:0 30px 80px #0000002e}.note-modal-head{justify-content:space-between;gap:16px;margin-bottom:20px;display:flex}.note-modal-head h2{letter-spacing:-.03em;margin:5px 0 0;font-size:22px}.modal-close{border:1px solid var(--border);width:34px;height:34px;color:var(--muted);cursor:pointer;background:0 0;border-radius:10px;font-size:20px}.note-modal label{color:var(--muted);margin-top:14px;font-size:11px;display:block}.note-modal input,.note-modal textarea{box-sizing:border-box;border:1px solid var(--border);background:var(--surface);width:100%;color:var(--text);font:inherit;border-radius:12px;outline:none;margin-top:7px;padding:12px 13px;font-size:13px;display:block}.note-modal textarea{resize:vertical;line-height:1.65}.note-modal input:focus,.note-modal textarea:focus{border-color:var(--border-strong)}.note-context{background:var(--surface-soft);color:var(--muted);border-radius:10px;margin-top:14px;padding:10px 12px;font-size:10px}.note-context strong{color:var(--text)}.note-modal-actions{justify-content:flex-end;gap:8px;margin-top:20px;display:flex}.opening-study-page{padding-bottom:30px}.opening-back-link{color:var(--muted);margin-bottom:26px;font-size:11px;display:inline-block}.opening-back-link:hover{color:var(--text)}.opening-study-heading{justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:28px;display:flex}.opening-study-heading h1{letter-spacing:-.04em;margin:12px 0 4px;font-size:34px}.opening-study-heading p{color:var(--muted);margin:0;font-size:12px}.opening-study-actions{flex-wrap:wrap;gap:8px;display:flex}.opening-study-grid{grid-template-columns:minmax(0,600px) minmax(0,1fr);align-items:start;gap:28px;display:grid}.opening-study-side{gap:14px;display:grid}.study-info-card,.opening-notes-panel{border:1px solid var(--border);background:var(--surface);border-radius:18px;padding:20px}.study-info-card h2{margin:7px 0 0;font-size:19px}.study-info-card>p:last-child{color:var(--muted);margin-top:5px;font-size:10px}.study-info-card>p:not(:last-child){color:var(--muted);font-size:11px;line-height:1.6}.opening-notes-head{justify-content:space-between;align-items:center;gap:12px;display:flex}.opening-notes-head h2{margin:5px 0 0;font-size:18px}.current-note-context{border:1px solid var(--border);background:var(--surface-soft);border-radius:14px;margin-top:16px;padding:15px}.current-note-context>span,.current-note-context>strong{display:block}.current-note-context>span{color:var(--faint);text-transform:uppercase;letter-spacing:.12em;font-size:9px}.current-note-context>strong{margin-top:5px;font-size:13px}.current-note-context>p{color:var(--muted);white-space:pre-wrap;margin:8px 0;font-size:12px;line-height:1.6}.current-note-context>div{flex-wrap:wrap;gap:6px;display:flex}.current-note-context button{color:var(--muted);cursor:pointer;background:0 0;border:0;padding:3px 0;font-size:10px}.opening-notes-list{gap:7px;margin-top:14px;display:grid}.opening-note-item{border:1px solid var(--border);border-radius:12px;justify-content:space-between;align-items:center;gap:10px;padding:11px 12px;display:flex}.opening-note-item.is-current{border-color:var(--border-strong)}.opening-note-item strong,.opening-note-item span{display:block}.opening-note-item strong{font-size:11px}.opening-note-item span{color:var(--faint);margin-top:3px;font-size:9px}.opening-note-item button{color:var(--muted);cursor:pointer;background:0 0;border:0;font-size:10px}.opening-notes-empty{color:var(--muted);margin:16px 0 0;font-size:11px;line-height:1.65}@media (width<=900px){.opening-study-grid{grid-template-columns:1fr}}@media (width<=700px){.notes-toolbar{flex-direction:column;align-items:stretch}.notes-actions>*{flex:1}.note-card-header{grid-template-columns:auto minmax(0,1fr)}.note-card-actions{grid-column:2;justify-content:flex-start}.opening-study-heading{flex-direction:column;align-items:flex-start}.opening-study-heading h1{font-size:28px}.opening-study-actions{width:100%}.opening-study-actions>*{text-align:center;flex:1;justify-content:center}}@media (width<=480px){.notes-actions{grid-template-columns:1fr;width:100%;display:grid}.notes-actions>*{box-sizing:border-box;text-align:center;justify-content:center;width:100%}.note-modal-backdrop{padding:10px}.note-modal{border-radius:18px;padding:18px}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-space-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}