:root{color-scheme:dark;--color-brand: #ff1e1e;--color-brand-dark: #8a0000;--color-brand-strong: #ff0000;--color-brand-soft: #ff4d4d;--color-bg: #17191d;--color-bg-elevated: #20242a;--color-bg-surface: #282d36;--color-bg-surface-hover: #313845;--color-border: #3a4352;--color-border-strong: #495566;--color-text: #f4f4f4;--color-text-muted: #b7beca;--color-success: #22c55e;--color-warning: #f59e0b;--color-danger: #ef4444;--color-info: #38bdf8;--font-sans: Inter, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;--font-mono: "JetBrains Mono", "Fira Code", "SFMono-Regular", Consolas, "Liberation Mono", monospace;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-md: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--line-height: 1.5;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.5rem;--space-6: 2rem;--space-7: 3rem;--radius-xs: .25rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--shadow-sm: 0 1px 2px rgb(0 0 0 / .2);--shadow-md: 0 8px 24px rgb(0 0 0 / .35);--shadow-lg: 0 16px 40px rgb(0 0 0 / .45);--shadow-brand: 0 0 0 1px rgb(255 30 30 / .2), 0 12px 30px rgb(255 0 0 / .22);--focus-ring: 0 0 0 3px rgb(255 30 30 / .35);--transition-fast: .14s ease;--transition-base: .22s ease}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0;min-height:100%}body{min-height:100vh;background-color:var(--color-bg);background-image:radial-gradient(1200px 520px at 92% -8%,rgba(255,30,30,.16) 0%,rgba(255,30,30,.08) 24%,transparent 68%),radial-gradient(900px 460px at -8% 10%,rgba(56,189,248,.08) 0%,transparent 62%),linear-gradient(180deg,#1a1f26,#171b22 46%,#161a21);background-repeat:no-repeat;color:var(--color-text);font-family:var(--font-sans);font-size:var(--font-size-md);line-height:var(--line-height);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility}yf-root{display:block;min-height:100vh}a{color:var(--color-brand-soft);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-brand)}h1,h2,h3,h4,h5,h6{margin:0 0 var(--space-3);line-height:1.2;color:var(--color-text)}p{margin:0 0 var(--space-4);color:var(--color-text-muted)}button,input,textarea,select{font:inherit}input,textarea,select{-webkit-appearance:none;border-radius:var(--radius-md)}input[type=checkbox]{-webkit-appearance:checkbox}button,input[type=button],input[type=submit]{border:1px solid var(--color-border-strong);background:var(--color-bg-surface);color:var(--color-text);border-radius:var(--radius-md);padding:.6rem .95rem;cursor:pointer;transition:background-color var(--transition-fast),border-color var(--transition-fast),transform var(--transition-fast),box-shadow var(--transition-fast)}button:hover{background:var(--color-bg-surface-hover);border-color:var(--color-brand-soft)}button:disabled,button:disabled:hover,button:disabled:active{background:#8089962e;border-color:#80899638;color:var(--color-text-muted);cursor:not-allowed;opacity:.58;box-shadow:none;transform:none}input[type=button]:hover,input[type=submit]:hover{background:var(--color-bg-surface-hover);border-color:var(--color-brand-soft)}button:active,input[type=button]:active,input[type=submit]:active{transform:translateY(1px)}button:focus-visible,input[type=button]:focus-visible,input[type=submit]:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:none;box-shadow:var(--focus-ring)}input,textarea,select{width:100%;border:1px solid var(--color-border);background:var(--color-bg-elevated);color:var(--color-text);border-radius:var(--radius-md);padding:.65rem .75rem;transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}input::placeholder,textarea::placeholder{color:#777}hr{border:0;border-top:1px solid var(--color-border);margin:var(--space-5) 0}.surface{background:linear-gradient(165deg,#ffffff0f,#ffffff05);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}.brand-accent{border-color:#ff1e1e80;box-shadow:var(--shadow-brand)}*::-webkit-scrollbar{width:10px;height:10px}*::-webkit-scrollbar-track{background:var(--color-bg)}*::-webkit-scrollbar-thumb{background:#2f2f2f;border-radius:999px;border:2px solid var(--color-bg)}*::-webkit-scrollbar-thumb:hover{background:#444}@media(prefers-color-scheme:light){:root{color-scheme:light;--color-brand: #e11d1d;--color-brand-strong: #c80000;--color-brand-soft: #ef4444;--color-bg: #f5f7fb;--color-bg-elevated: #ffffff;--color-bg-surface: #ffffff;--color-bg-surface-hover: #f0f3f9;--color-border: #d6deea;--color-border-strong: #bcc7d7;--color-text: #18202b;--color-text-muted: #4c5b70;--shadow-sm: 0 1px 2px rgb(15 23 42 / .08);--shadow-md: 0 8px 24px rgb(15 23 42 / .12);--shadow-lg: 0 16px 40px rgb(15 23 42 / .16);--shadow-brand: 0 0 0 1px rgb(225 29 29 / .22), 0 12px 30px rgb(225 29 29 / .2);--focus-ring: 0 0 0 3px rgb(225 29 29 / .28)}body{background-image:radial-gradient(1200px 520px at 92% -8%,rgba(225,29,29,.09) 0%,rgba(225,29,29,.05) 24%,transparent 68%),radial-gradient(900px 460px at -8% 10%,rgba(56,189,248,.08) 0%,transparent 62%),linear-gradient(180deg,#f8faff,#f4f7fc 46%,#edf2f9)}.surface{background:linear-gradient(165deg,#fffffff5,#ffffffd6)}input::placeholder,textarea::placeholder{color:#7a8799}*::-webkit-scrollbar-thumb{background:#c0c9d8}*::-webkit-scrollbar-thumb:hover{background:#aeb9cc}}