:root{color-scheme:light;--text-h: #1a1d23;--text: #5b616e;--text-subtle: #8a909c;--bg: #f5f6f8;--bg-alt: #eef1f6;--surface: #ffffff;--surface-2: #f4f6f9;--surface-3: #eaedf2;--surface-hover: #eef1f6;--border: #e2e5ea;--border-strong: #cdd2da;--accent: #0d9488;--accent-hover: #0b8177;--accent-active: #0a726a;--accent-bg: rgba(13, 148, 136, .1);--accent-bg-strong: rgba(13, 148, 136, .16);--accent-border: rgba(13, 148, 136, .35);--on-accent: #ffffff;--success: #0d9488;--success-bg: rgba(13, 148, 136, .1);--danger: #dc2626;--danger-bg: rgba(220, 38, 38, .08);--danger-border: rgba(220, 38, 38, .3);--danger-text: #b91c1c;--on-danger: #ffffff;--ring: rgba(13, 148, 136, .5);--overlay: rgba(16, 24, 40, .45);--header-bg: rgba(255, 255, 255, .72);--radius-sm: 10px;--radius: 16px;--radius-lg: 22px;--radius-pill: 999px;--shadow-1: 0 2px 8px rgba(16, 24, 40, .06);--shadow-2: 0 4px 16px rgba(16, 24, 40, .08);--shadow-3: 0 4px 16px rgba(16, 24, 40, .08);--tile-bg: rgba(0, 0, 0, .05);--tile-bg-hover: rgba(0, 0, 0, .08);--tile-border: rgba(0, 0, 0, .06);--icon-bg: rgba(0, 0, 0, .07);--icon-border: rgba(0, 0, 0, .08);--glass-rgb: 245 246 248;--glass-highlight-alpha: .35;--ease: cubic-bezier(.2, 0, 0, 1);--ease-out: cubic-bezier(.16, 1, .3, 1);--dur-fast: .14s;--dur-med: .24s;--dur-slow: .36s;--sans: "Inter", system-ui, "Segoe UI", Roboto, "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic UI", Meiryo, sans-serif;--custom-bg: none;--bg-wash: var(--bg);font-family:var(--sans);background:var(--custom-bg),var(--bg-wash);background-size:cover;color:var(--text)}:root[data-theme=dark]{color-scheme:dark;--text-h: #e8eaed;--text: #a2a8b3;--text-subtle: #757b86;--bg: #0b0c10;--bg-alt: #0e1015;--surface: #14161b;--surface-2: #1a1d23;--surface-3: #23262e;--surface-hover: #23262e;--border: #282c34;--border-strong: #3a3f4a;--accent: #2dd4bf;--accent-hover: #3fdccb;--accent-active: #22b8a5;--accent-bg: rgba(45, 212, 191, .14);--accent-bg-strong: rgba(45, 212, 191, .2);--accent-border: rgba(45, 212, 191, .4);--on-accent: #04201d;--success: #2dd4bf;--success-bg: rgba(45, 212, 191, .14);--danger: #f87171;--danger-bg: rgba(248, 113, 113, .12);--danger-border: rgba(248, 113, 113, .35);--danger-text: #fca5a5;--on-danger: #3a0d0f;--ring: rgba(45, 212, 191, .55);--overlay: rgba(0, 0, 0, .6);--header-bg: rgba(20, 22, 27, .72);--shadow-1: 0 2px 8px rgba(0, 0, 0, .24);--shadow-2: 0 4px 16px rgba(0, 0, 0, .32);--shadow-3: 0 4px 16px rgba(0, 0, 0, .32);--tile-bg: rgba(255, 255, 255, .08);--tile-bg-hover: rgba(255, 255, 255, .12);--tile-border: rgba(255, 255, 255, .06);--icon-bg: rgba(255, 255, 255, .1);--icon-border: rgba(255, 255, 255, .12);--glass-rgb: 11 12 16;--glass-highlight-alpha: .18}@media(prefers-color-scheme:dark){:root:not([data-theme]){color-scheme:dark;--text-h: #e8eaed;--text: #a2a8b3;--text-subtle: #757b86;--bg: #0b0c10;--bg-alt: #0e1015;--surface: #14161b;--surface-2: #1a1d23;--surface-3: #23262e;--surface-hover: #23262e;--border: #282c34;--border-strong: #3a3f4a;--accent: #2dd4bf;--accent-hover: #3fdccb;--accent-active: #22b8a5;--accent-bg: rgba(45, 212, 191, .14);--accent-bg-strong: rgba(45, 212, 191, .2);--accent-border: rgba(45, 212, 191, .4);--on-accent: #04201d;--success: #2dd4bf;--success-bg: rgba(45, 212, 191, .14);--danger: #f87171;--danger-bg: rgba(248, 113, 113, .12);--danger-border: rgba(248, 113, 113, .35);--danger-text: #fca5a5;--on-danger: #3a0d0f;--ring: rgba(45, 212, 191, .55);--overlay: rgba(0, 0, 0, .6);--header-bg: rgba(20, 22, 27, .72);--shadow-1: 0 2px 8px rgba(0, 0, 0, .24);--shadow-2: 0 4px 16px rgba(0, 0, 0, .32);--shadow-3: 0 4px 16px rgba(0, 0, 0, .32);--tile-bg: rgba(255, 255, 255, .08);--tile-bg-hover: rgba(255, 255, 255, .12);--tile-border: rgba(255, 255, 255, .06);--icon-bg: rgba(255, 255, 255, .1);--icon-border: rgba(255, 255, 255, .12);--glass-rgb: 11 12 16;--glass-highlight-alpha: .18}}:root[data-tile-style=frosted]{--tile-bg: rgb(var(--glass-rgb) / .34);--tile-bg-hover: rgb(var(--glass-rgb) / .44);--tile-border: rgb(255 255 255 / var(--glass-highlight-alpha));--icon-bg: rgb(var(--glass-rgb) / .32);--icon-border: rgb(255 255 255 / var(--glass-highlight-alpha))}:root[data-tile-style=frosted] .app-tile{background:var(--tile-bg);border-color:var(--tile-border);backdrop-filter:blur(22px) saturate(1.2);-webkit-backdrop-filter:blur(22px) saturate(1.2)}:root[data-tile-style=frosted] .app-tile:hover{background:var(--tile-bg-hover)}:root[data-tile-style=frosted] .app-tile:not(.system-tile){border-radius:24px}@media(prefers-reduced-transparency:reduce){:root[data-tile-style=frosted] .app-tile{background:var(--surface-2);box-shadow:none;backdrop-filter:none;-webkit-backdrop-filter:none}}:root[data-has-bg] .app-name strong{color:#fff;text-shadow:0 1px 3px rgb(0 0 0 / .55),0 2px 10px rgb(0 0 0 / .35)}:root[data-has-bg] .app-icon,:root[data-has-bg] .system-icon{filter:drop-shadow(0 2px 6px rgb(0 0 0 / .35))}:root{--muted: var(--text-subtle)}*{box-sizing:border-box}html,body,#app{margin:0;min-height:100%}body{min-height:100vh;line-height:1.5;transition:background-color var(--dur-med) var(--ease),color var(--dur-med) var(--ease)}button,input{font:inherit}:focus{outline:none}:focus-visible{outline:3px solid var(--ring);outline-offset:2px;border-radius:var(--radius-sm)}*{scrollbar-width:thin;scrollbar-color:var(--border-strong) transparent}*::-webkit-scrollbar{width:10px;height:10px}*::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:var(--radius-pill);border:3px solid transparent;background-clip:padding-box}*::-webkit-scrollbar-thumb:hover{background:var(--text-subtle);background-clip:padding-box}*::-webkit-scrollbar-track{background:transparent}@keyframes page-enter{0%{opacity:0}to{opacity:1}}@keyframes panel-enter{0%{opacity:0;transform:scale(.98)}to{opacity:1;transform:scale(1)}}@keyframes tile-enter{0%{opacity:0}to{opacity:1}}.shell{width:min(1440px,calc(100vw - 32px));margin:0 auto;padding:24px 0 40px;animation:page-enter var(--dur-slow) var(--ease-out) both}.topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-radius:var(--radius-lg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);background:var(--header-bg);border:1px solid var(--border);box-shadow:var(--shadow-1);margin-bottom:18px;transition:background-color var(--dur-med) var(--ease),border-color var(--dur-med) var(--ease)}.topbar-left{display:flex;align-items:center;gap:14px}.add-toggle{padding:10px 16px;border-radius:var(--radius-lg);background:var(--accent-bg);border:1px solid var(--accent-border);color:var(--accent);font-weight:600;transition:background var(--dur-fast) var(--ease),border-color var(--dur-fast) var(--ease)}.add-toggle:hover{background:var(--accent-bg-strong)}.add-panel{position:fixed;padding:18px;background:var(--surface-2);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);box-shadow:var(--shadow-3);border:1px solid var(--border);border-radius:var(--radius-lg);transform:scale(.98);opacity:0;transition:transform var(--dur-med) var(--ease),opacity var(--dur-med) var(--ease);z-index:20;pointer-events:none;overflow:auto}.add-panel-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:19;opacity:0;visibility:hidden;pointer-events:none;transition:opacity var(--dur-med) var(--ease),visibility 0s linear var(--dur-med)}.add-panel-backdrop.open{opacity:1;visibility:visible;pointer-events:auto;transition:opacity var(--dur-med) var(--ease)}.add-panel.open{transform:scale(1);opacity:1;pointer-events:auto;animation:panel-enter var(--dur-med) var(--ease-out)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--overlay);display:flex;align-items:center;justify-content:center;padding:16px;z-index:30;opacity:0;visibility:hidden;pointer-events:none;transition:opacity var(--dur-med) var(--ease),visibility 0s linear var(--dur-med)}.modal-backdrop.open{opacity:1;visibility:visible;pointer-events:auto;transition:opacity var(--dur-med) var(--ease)}.modal-card{width:min(520px,100%);max-height:min(90vh,800px);overflow:auto;padding:24px;border-radius:var(--radius-lg);background:var(--surface-2);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border:1px solid var(--border);box-shadow:var(--shadow-3);transform:scale(.98);opacity:0;transition:transform var(--dur-med) var(--ease),opacity var(--dur-med) var(--ease)}.sync-card{width:min(620px,100%)}.modal-backdrop.open .modal-card{transform:scale(1);opacity:1;animation:panel-enter var(--dur-med) var(--ease-out)}.add-panel .add-card{max-width:none;margin:0}.add-card label,.section-head span,.subtle,.hint,.preview-head,.site-meta span{color:var(--text-subtle)}.add-card,.focus-card,.library,.preview-wrap{backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-2);border-radius:var(--radius-lg)}.add-card{position:relative;padding:20px;border-radius:var(--radius-lg)}.add-card-close{position:absolute;top:10px;right:10px;width:28px;height:28px;min-width:0;min-height:0;padding:0;border-radius:var(--radius-pill);border:none;background:transparent;color:var(--text-subtle);font-size:1.1rem;display:grid;place-items:center;cursor:pointer;transition:background var(--dur-fast) var(--ease),color var(--dur-fast) var(--ease)}.add-card-close:hover{background:var(--surface-hover);color:var(--text)}.add-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:16px}.preview-wrap{padding:14px;margin-top:14px}.preview-head{font-size:.8rem;font-weight:600;margin-bottom:8px}.preview{height:160px;border-radius:var(--radius);background-color:var(--surface-3);background-size:cover;background-position:center;border:1px solid var(--border)}.settings-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;gap:14px}.sync-header-right{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}.settings-header h2{margin:0;font-size:1.2rem;letter-spacing:.02em;color:var(--text-h)}.settings-header .subtle{margin:0;font-size:.85rem}.settings-close{width:36px;height:36px;min-width:0;min-height:0;padding:0;border-radius:var(--radius-pill);border:none;background:var(--danger);color:var(--on-danger);font-size:1.25rem;display:grid;place-items:center;cursor:pointer;opacity:.85;transition:opacity var(--dur-fast) var(--ease),transform var(--dur-fast) var(--ease);aspect-ratio:1}.settings-close:hover{opacity:1;transform:scale(1.05)}.settings-close:focus-visible{outline:none;box-shadow:0 0 0 4px var(--accent-bg-strong)}.settings-section{display:flex;flex-direction:column;gap:16px;margin-bottom:24px}.settings-row{display:flex;flex-direction:column;gap:8px}.settings-label{display:flex;align-items:center;gap:10px;font-weight:600;color:var(--text-h)}.settings-row input[type=url],.settings-row input[type=file],.settings-row input[type=text]{width:100%;padding:10px 12px;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);color:var(--text)}.settings-row input[type=url]:focus,.settings-row input[type=file]:focus,.settings-row input[type=text]:focus{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-bg-strong)}.settings-row input[readonly]{opacity:.9}.settings-row input[type=file]::file-selector-button{margin-right:10px;padding:7px 14px;border-radius:var(--radius-pill);border:none;background:var(--accent-bg);color:var(--accent);font:inherit;font-weight:600;font-size:.85rem;cursor:pointer;transition:background var(--dur-fast) var(--ease)}.settings-row input[type=file]::file-selector-button:hover{background:var(--accent-bg-strong)}.theme-switch{display:inline-flex;gap:2px;padding:3px;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);align-self:flex-start}.theme-switch button{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;min-width:0;min-height:0;border-radius:calc(var(--radius) - 3px);background:transparent;color:var(--text-subtle);font-size:.82rem;font-weight:600}.theme-switch button:hover{color:var(--text);background:transparent;transform:none}.theme-switch button[aria-pressed=true]{background:var(--surface);color:var(--accent);box-shadow:var(--shadow-1)}.theme-switch button svg{flex-shrink:0}.accent-swatches{display:flex;align-items:center;flex-wrap:wrap;gap:10px}.accent-swatch{position:relative;width:26px;height:26px;min-width:0;min-height:0;padding:0;border-radius:50%;border:1px solid var(--border);cursor:pointer;transition:transform var(--dur-fast) var(--ease)}.accent-swatch:hover{transform:scale(1.05)}.accent-swatch:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:inherit;box-shadow:0 0 0 2px var(--surface),0 0 0 4px var(--accent);opacity:0;pointer-events:none;transition:opacity var(--dur-fast) var(--ease)}.accent-swatch[aria-pressed=true]:after{opacity:1}.accent-swatches input[type=color]{width:36px;height:30px;min-width:0;min-height:0;padding:2px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--surface);cursor:pointer}.accent-swatches input[type=color]::-webkit-color-swatch-wrapper{padding:0}.accent-swatches input[type=color]::-webkit-color-swatch,.accent-swatches input[type=color]::-moz-color-swatch{border:none;border-radius:calc(var(--radius-sm) - 2px)}.link-reset{align-self:flex-start;min-width:0;min-height:0;padding:0;border:none;background:transparent;color:var(--accent);font-size:.82rem;font-weight:600;text-decoration:underline;text-underline-offset:2px;cursor:pointer}.link-reset:hover{color:var(--accent-hover);background:transparent;transform:none}.sync-status-pill{padding:8px 12px;border-radius:var(--radius-pill);font-size:.82rem;font-weight:700;letter-spacing:.02em;border:1px solid var(--border);background:var(--surface-2);color:var(--text)}.sync-status-pill.connected{border-color:var(--accent-border);background:var(--accent-bg);color:var(--accent)}.sync-status-pill.connecting{border-color:var(--accent-border);background:var(--accent-bg)}.sync-status-pill.error{border-color:var(--danger-border);background:var(--danger-bg);color:var(--danger-text)}.sync-count{padding:8px 12px;border-radius:var(--radius-pill);border:1px solid var(--border);background:var(--surface-2);color:var(--text);font-size:.82rem;font-weight:700;letter-spacing:.02em;white-space:nowrap}.sync-actions{display:flex;flex-wrap:wrap;gap:10px}.sync-accept-row{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.sync-accept-copy{display:flex;flex-direction:column;gap:4px}.sync-accept-copy .settings-label{font-weight:600}.sync-accept-copy .subtle{margin:0}.sync-accept-button{min-width:160px;border:1px solid var(--border);background:var(--surface-2);font-weight:700}.sync-accept-button.enabled{border-color:var(--accent-border);background:var(--accent-bg);color:var(--accent)}.sync-accept-button.disabled{border-color:var(--border-strong);background:var(--surface-3)}.settings-label.toggle{position:relative;padding-left:56px;cursor:pointer;-webkit-user-select:none;user-select:none}.settings-label.toggle input{position:absolute;opacity:0;width:0;height:0}.settings-label.toggle .toggle-switch{position:absolute;left:0;top:50%;transform:translateY(-50%);width:46px;height:26px;border-radius:var(--radius-pill);background:var(--surface-3);border:1px solid var(--border-strong);transition:background var(--dur-fast) var(--ease),border-color var(--dur-fast) var(--ease)}.settings-label.toggle .toggle-switch:after{content:"";position:absolute;left:4px;top:50%;transform:translateY(-50%);width:18px;height:18px;border-radius:50%;background:var(--surface);border:1px solid var(--border-strong);box-shadow:var(--shadow-1);transition:transform var(--dur-fast) var(--ease),background var(--dur-fast) var(--ease)}.settings-label.toggle input:checked+.toggle-switch{background:var(--accent-bg-strong);border-color:var(--accent-border)}.settings-label.toggle input:checked+.toggle-switch:after{transform:translate(18px,-50%);background:var(--accent);border-color:var(--accent-active)}.settings-label.toggle input:focus-visible+.toggle-switch{box-shadow:0 0 0 4px var(--accent-bg-strong)}.sync-room-row{gap:10px}.sync-inline{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:10px;align-items:center}.sync-inline input,.sync-inline button{min-width:0}.add-row{margin-top:10px}input,button{border:0;outline:none}input{width:100%;padding:14px 16px;border-radius:var(--radius);background:var(--surface);color:var(--text);border:1px solid var(--border);transition:border-color var(--dur-fast) var(--ease)}input:focus{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-bg-strong)}input::placeholder{color:var(--text-subtle)}button{padding:14px 18px;min-width:120px;min-height:44px;border-radius:var(--radius);background:var(--surface-2);border:1px solid var(--border);color:var(--text);cursor:pointer;transition:transform var(--dur-fast) var(--ease),background var(--dur-fast) var(--ease),border-color var(--dur-fast) var(--ease)}button:hover{transform:scale(1.01);background:var(--surface-hover);border-color:var(--border-strong)}button.primary{background:var(--accent);border-color:transparent;color:var(--on-accent);box-shadow:none}button.primary:hover{background:var(--accent-hover)}button.primary:active{background:var(--accent-active)}button.danger{background:var(--danger-bg);border-color:var(--danger-border);color:var(--danger-text)}button.danger:hover{background:var(--danger-bg);border-color:var(--danger)}button.ghost{background:transparent;border-color:transparent;color:var(--text-subtle);box-shadow:none}button.ghost:hover{background:var(--surface-hover);border-color:transparent;color:var(--text)}.hint{min-height:1.2em;margin-top:10px;font-size:.9rem}.grid-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:14px;padding:18px;border-radius:var(--radius-lg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);background:var(--header-bg);border:1px solid var(--border);box-shadow:var(--shadow-1)}.system-bar{display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:20px}.system-grid{display:grid;grid-template-columns:repeat(auto-fill,124px);grid-auto-rows:136px;align-items:start;justify-content:start;gap:12px;flex:1 1 auto}.system-toolbar{display:flex;align-items:center;gap:8px;padding:5px;border-radius:var(--radius-pill);background:var(--header-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border);box-shadow:var(--shadow-1);flex-shrink:0;align-self:flex-start}.system-toolbar-btn{width:38px;height:38px;min-width:0;min-height:0;padding:0;display:grid;place-items:center;border-radius:var(--radius-pill);background:transparent;border:none;box-shadow:none}.system-toolbar-btn .system-icon{width:20px;height:20px;background:transparent;border:none;box-shadow:none;color:var(--text)}.system-toolbar-btn .system-icon svg{width:17px;height:17px}.system-toolbar-btn .system-copy{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.system-toolbar-btn.active{background:var(--accent-bg-strong);border:none;box-shadow:none}.system-toolbar-btn.active .system-icon{color:var(--accent)}.system-toolbar-btn.edit-toggle.active{background:var(--accent)}.system-toolbar-btn.edit-toggle.active .system-icon{color:var(--on-accent)}.modal-card.browse-open{width:min(600px,100%)}.browse-search{position:relative;margin-bottom:14px}.browse-search svg{position:absolute;top:50%;left:14px;transform:translateY(-50%);color:var(--text-subtle);pointer-events:none}.browse-search input{padding:11px 14px 11px 38px;border-radius:var(--radius);font-size:.9rem}.browse-list{display:flex;flex-direction:column;gap:4px;max-height:min(52vh,460px);overflow-y:auto;overscroll-behavior:contain;margin:0 -6px;padding:0 6px}.browse-row{display:flex;align-items:center;gap:12px;padding:9px 10px;border-radius:var(--radius);border:1px solid transparent;transition:background var(--dur-fast) var(--ease),border-color var(--dur-fast) var(--ease);animation:tile-enter var(--dur-slow) var(--ease-out) both}.browse-row:hover{background:var(--surface-hover);border-color:var(--border)}.browse-icon{position:relative;width:42px;height:42px;flex-shrink:0;border-radius:10px;background:var(--icon-bg);border:1px solid var(--icon-border);display:grid;place-items:center;overflow:hidden}.browse-icon img{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover}.browse-icon-fallback{font-size:1.1rem;font-weight:800;color:var(--accent)}.browse-meta{display:grid;gap:1px;min-width:0;flex:1}.browse-meta strong{font-size:.92rem;line-height:1.25;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-h)}.browse-meta 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