:root{--color-primary: #4daae6;--color-accent: #cb0000;--color-bg: #ffffff;--color-text: #1a1a1a;--color-muted: #555;--sidebar-width: 240px;--nav-height: 56px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:system-ui,-apple-system,sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.6}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}.site-nav{position:fixed;top:0;left:0;right:0;height:var(--nav-height);background:var(--color-primary);display:flex;align-items:center;padding:0 1.5rem;gap:2rem;z-index:100;box-shadow:0 2px 4px #00000026;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}.site-nav::-webkit-scrollbar{display:none}.site-nav .brand{color:#fff;font-size:1.2rem;font-weight:700;text-decoration:none;letter-spacing:.02em;flex-shrink:0}.site-nav .brand:hover{text-decoration:none;opacity:.9}.nav-links{display:flex;gap:1.5rem;list-style:none;flex-shrink:0}.nav-links a{color:#ffffffe6;font-size:.95rem;text-decoration:none}.nav-links a:hover{color:#fff;text-decoration:underline}.page-content{margin-top:var(--nav-height);min-height:calc(100vh - var(--nav-height))}.landing-page{min-height:calc(100vh - var(--nav-height));background:linear-gradient(155deg,#4daae624,#fff0 45%,#cb000012 80%,#fff0f080),#fff}.hero{text-align:center;padding:5rem 1.5rem 3rem}.hero h1{font-size:3rem;color:var(--color-primary);margin-bottom:.75rem}.hero p{font-size:1.2rem;color:var(--color-muted);max-width:600px;margin:0 auto 2.5rem}.cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.5rem;max-width:1000px;margin:2.5rem auto 0;padding:0 1.5rem 4rem}.card{background:#ffffffd9;border:1px solid #e0e0e0;border-radius:8px;padding:1.75rem 1.5rem 1.75rem 0;text-decoration:none;color:var(--color-text);transition:box-shadow .2s,transform .2s;display:block;position:relative;overflow:hidden}.card:hover{box-shadow:0 4px 16px #4daae62e;transform:translateY(-2px);text-decoration:none}.card__emoji{position:absolute;top:50%;left:0;transform:translate(-35%,-50%);font-size:4.5rem;line-height:1;pointer-events:none;user-select:none;display:block}.card__body{padding-left:3.25rem}.card h2,.card__body h2{font-size:1.15rem;color:var(--color-primary);margin-bottom:.5rem}.card p,.card__body p{font-size:.92rem;color:var(--color-muted)}.speech-bubble-wrap{max-width:720px;margin:0 auto;padding:0 1.5rem}.speech-bubble{background:#ffffffeb;border:2px solid var(--color-primary);border-radius:20px;box-shadow:0 6px 28px #4daae629;padding:1.75rem 2rem 1.5rem;position:relative}.speech-bubble:before,.speech-bubble:after{content:"";position:absolute;left:50%;transform:translate(-50%);border-style:solid;border-color:transparent}.speech-bubble:before{bottom:-22px;border-width:11px 11px 0;border-top-color:var(--color-primary)}.speech-bubble:after{bottom:-18px;border-width:9px 9px 0;border-top-color:#ffffffeb}.caption-bars{display:flex;flex-direction:column;gap:.35rem;margin-bottom:1.25rem}.caption-bar{height:.55rem;border-radius:3px;background:linear-gradient(90deg,var(--color-primary) 0%,rgba(77,170,230,.18) 100%)}.caption-bar--wide{width:100%;opacity:.45}.caption-bar--medium{width:70%;opacity:.35}.caption-bar--narrow{width:46%;opacity:.26}.sb-split{display:grid;grid-template-columns:1fr;position:relative;min-height:5.5rem;overflow:hidden;border-radius:10px;border:1px solid rgba(77,170,230,.22);user-select:none}.sb-panel{grid-column:1;grid-row:1;min-width:0;overflow:hidden;padding:.75rem 1rem .85rem}.sb-panel--en{background:#4daae60f}.sb-panel--fi{background:#cb00000a}.sb-panel__content{overflow:hidden;height:100%}.sb-lang-tag{display:block;font-size:.72rem;font-weight:700;letter-spacing:.03em;text-transform:uppercase;color:var(--color-muted);margin-bottom:.4rem}.sb-panel p{font-size:.92rem;color:var(--color-text);line-height:1.55}.sb-divider{position:absolute;top:0;bottom:0;left:50%;transform:translate(-50%);width:28px;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:col-resize;touch-action:none;z-index:5}.sb-divider__line{position:absolute;top:0;bottom:0;left:50%;transform:translate(-50%);width:2px;background:var(--color-primary);opacity:.7;pointer-events:none}.sb-divider__handle{position:relative;width:28px;height:28px;border-radius:50%;background:var(--color-primary);box-shadow:0 2px 8px #4daae673;display:flex;align-items:center;justify-content:center;color:#fff;cursor:col-resize;flex-shrink:0;transition:background .15s,box-shadow .15s}.sb-divider:hover .sb-divider__handle,.sb-divider:focus .sb-divider__handle{background:#3a96d4;box-shadow:0 3px 12px #4daae699}.sb-divider:focus{outline:none}.docs-layout{display:flex;align-items:flex-start}.sidebar{position:fixed;top:var(--nav-height);left:0;width:var(--sidebar-width);height:calc(100vh - var(--nav-height));overflow-y:auto;background:#f8f9fa;border-right:1px solid #e0e0e0;padding:1.5rem 1rem}.sidebar h3{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--color-muted);margin-bottom:.75rem}.sidebar-group-heading{font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:var(--color-muted);margin-top:1rem;margin-bottom:.4rem;padding-left:.5rem;border-top:1px solid #e0e0e0;padding-top:.75rem}.sidebar ul{list-style:none}.sidebar ul li+li{margin-top:.25rem}.sidebar ul a{font-size:.9rem;color:var(--color-text);display:block;padding:.25rem .5rem;border-radius:4px}.sidebar ul a:hover{background:#e8f4fd;color:var(--color-primary);text-decoration:none}.docs-content{margin-left:var(--sidebar-width);flex:1;min-width:0;padding:2.5rem 3rem;max-width:900px;overflow-wrap:break-word;word-wrap:break-word;overflow-x:auto;-webkit-overflow-scrolling:touch}.doc-section{padding-bottom:2rem;margin-bottom:2rem;border-bottom:1px solid #e8e8e8}.doc-section:last-child{border-bottom:none}.docs-content h1,.docs-content h2,.docs-content h3,.docs-content h4{margin-top:1.5em;margin-bottom:.5em;line-height:1.3}.docs-content h1{font-size:2rem}.docs-content h2{font-size:1.4rem;color:#333}.docs-content h3{font-size:1.15rem}.docs-content p{margin-bottom:1em}.docs-content ul,.docs-content ol{margin:.75em 0 1em 1.5em}.docs-content li{margin-bottom:.25em}.docs-content code{background:#f3f4f6;padding:.1em .35em;border-radius:3px;font-size:.88em;font-family:SFMono-Regular,Consolas,monospace}.docs-content pre{background:#f3f4f6;border-radius:6px;padding:1.25rem;overflow-x:auto;margin:1em 0;white-space:pre;word-wrap:normal;overflow-wrap:normal}.docs-content pre code{background:none;padding:0;font-size:.85em}.docs-content table{border-collapse:collapse;width:100%;margin:1em 0;table-layout:fixed}.docs-content td,.docs-content th{overflow-wrap:break-word;word-wrap:break-word}.docs-content td code,.docs-content th code{word-break:break-all}.docs-content th,.docs-content td{border:1px solid #ddd;padding:.5rem .75rem;text-align:left}.docs-content th{background:#f3f4f6;font-weight:600}.docs-content blockquote{border-left:4px solid var(--color-primary);margin:1em 0;padding:.5em 1em;color:var(--color-muted);font-style:italic;background:#f8f9fa}.app-page{max-width:700px;margin:4rem auto;padding:0 1.5rem}.app-page h1{font-size:2rem;color:var(--color-primary);margin-bottom:1rem}.app-page p{color:var(--color-muted);margin-bottom:1.25rem}.btn-primary{display:inline-block;background:var(--color-primary);color:#fff;padding:.75rem 2rem;border-radius:6px;font-size:1.05rem;font-weight:600;text-decoration:none;transition:background .2s,transform .1s}.btn-primary:hover{background:#3a96d4;transform:translateY(-1px);text-decoration:none;color:#fff}.blog-list{list-style:none}.blog-list li{padding:.75rem 0;border-bottom:1px solid #eee}.blog-list a{font-weight:600}.blog-list .date{font-size:.85rem;color:var(--color-muted);display:block;margin-top:.15rem}.blog-post h1{font-size:1.8rem;margin-bottom:.25rem}.blog-post .meta{color:var(--color-muted);font-size:.9rem;margin-bottom:1.5rem}.card--repo{border-color:#d0e8f5;background:#f7fbff}.card--repo:hover{box-shadow:0 4px 16px #4daae647}.free-key-form{margin-top:1.5rem}.fkf-field{display:flex;flex-direction:column;gap:.3rem;margin-bottom:1rem}.fkf-field label{font-size:.9rem;font-weight:600;color:var(--color-text)}.fkf-field input{padding:.55rem .85rem;border:1px solid #d0d0d0;border-radius:6px;font-size:1rem;outline:none;transition:border-color .15s;width:100%;max-width:400px}.fkf-field input:focus{border-color:var(--color-primary)}#fkf-result{margin-top:1rem;font-size:.95rem;line-height:1.6}.fkf-success{color:#166534;background:#f0fdf4;border:1px solid #bbf7d0;border-radius:6px;padding:.85rem 1rem}.fkf-error{color:#991b1b;background:#fff7f7;border:1px solid #fecaca;border-radius:6px;padding:.85rem 1rem}.fkf-key{display:inline-block;background:#e8f4fd;color:#1a5276;padding:.15em .5em;border-radius:4px;font-family:SFMono-Regular,Consolas,monospace;font-size:.95em;word-break:break-all}.fkf-note{margin-top:.5rem;font-size:.88rem;color:#555}.app-guide{margin-top:3.5rem;padding-top:2rem;border-top:1px solid #e0e0e0}.app-guide h2{font-size:1.4rem;color:var(--color-primary);margin-bottom:.75rem}.app-guide p{color:var(--color-muted);margin-bottom:1rem}.app-guide__toc{list-style:none;padding:0;margin:0 0 1rem;border:1px solid #e0e0e0;border-radius:6px;overflow:hidden}.app-guide__toc li{border-bottom:1px solid #f0f0f0}.app-guide__toc li:last-child{border-bottom:none}.app-guide__toc a{display:block;padding:.65rem 1rem;color:var(--color-text);font-size:.93rem;text-decoration:none;transition:background .15s}.app-guide__toc a:hover{background:#f0f7ff;color:var(--color-primary);text-decoration:none}.app-guide__placeholder{color:var(--color-muted);font-style:italic;background:#f8f9fa;border-left:3px solid var(--color-primary);padding:.85rem 1rem;border-radius:0 4px 4px 0;font-size:.95rem}@media(max-width:700px){.sidebar{position:static;width:100%;height:auto;border-right:none;border-bottom:1px solid #e0e0e0}.docs-content{margin-left:0;padding:1.5rem 1rem}.docs-layout{flex-direction:column}.hero h1{font-size:2rem}}