*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root,[data-theme=light]{--color-bg:#ffffff;--color-text:#0f172a;--color-text-muted:#475569;--color-border:#e2e8f0;--color-surface:#f8fafc;--color-surface-hover:#f1f5f9;--color-code-bg:#f1f5f9;--color-primary:#cf4500;--color-primary-hover:#a33700;--color-success:#34d399;--color-success-text:#065f46;--color-success-bg:#ecfdf5;--color-warning:#fbbf24;--color-warning-text:#92400e;--color-warning-bg:#fffbeb;--color-error:#f87171;--color-error-text:#991b1b;--color-error-bg:#fef2f2;--logo-letter:#0f172a;--logo-accent:#cf4500}[data-theme=dark]{--color-bg:#0f172a;--color-text:#e2e8f0;--color-text-muted:#94a3b8;--color-border:#334155;--color-surface:#1e293b;--color-surface-hover:#273548;--color-code-bg:#1e293b;--color-primary:#ff6a33;--color-primary-hover:#cf4500;--color-success:#34d399;--color-success-text:#34d399;--color-success-bg:#064e3b;--color-warning:#fbbf24;--color-warning-text:#fbbf24;--color-warning-bg:#451a03;--color-error:#f87171;--color-error-text:#f87171;--color-error-bg:#450a0a;--logo-letter:#e2e8f0;--logo-accent:#ff6a33}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:16px;line-height:1.6;color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased;transition:color .2s,background .2s}a{color:var(--color-primary);text-decoration:none}a:hover{color:var(--color-primary-hover)}.container{max-width:1200px;margin:0 auto;padding:0 24px}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border:none;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:all .15s;font-family:inherit}.btn-primary{background:var(--color-primary);color:white}.btn-primary:hover{background:var(--color-primary-hover)}.btn-danger{background:var(--color-error-text);color:white}.btn-danger:hover{opacity:.9}.btn-ghost{background:transparent;color:var(--color-text);border:1px solid var(--color-border)}.btn-ghost:hover{background:var(--color-surface-hover)}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:12px;padding:24px;transition:background .2s,border-color .2s}.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600}.badge-success{background:var(--color-success-bg);color:var(--color-success-text)}.badge-warning{background:var(--color-warning-bg);color:var(--color-warning-text)}.badge-error{background:var(--color-error-bg);color:var(--color-error-text)}.badge-muted{background:var(--color-surface-hover);color:var(--color-text-muted)}input,select{background:var(--color-bg);color:var(--color-text);border:1px solid var(--color-border);border-radius:8px;padding:10px 14px;font-size:14px;font-family:inherit;width:100%;transition:border-color .15s}input:focus,select:focus{outline:none;border-color:var(--color-primary)}.mono{font-family:JetBrains Mono,SF Mono,Cascadia Code,Fira Code,monospace;font-size:13px;background:var(--color-code-bg);padding:4px 8px;border-radius:4px;border:1px solid var(--color-border)}@keyframes spin{to{transform:rotate(1turn)}}.spinner{display:inline-block;width:16px;height:16px;border:2px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite}.theme-toggle{background:none;border:1px solid var(--color-border);border-radius:6px;padding:4px 8px;cursor:pointer;color:var(--color-text-muted);display:flex;align-items:center;justify-content:center;width:32px;height:32px;transition:border-color .2s,color .2s}.theme-toggle:hover{color:var(--color-text);border-color:var(--color-text-muted)}.theme-toggle svg{width:16px;height:16px}.icon-moon,.icon-sun{display:none}[data-theme=dark] .icon-sun,[data-theme=light] .icon-moon{display:block}.logo-letter{fill:var(--logo-letter);transition:fill .2s}.logo-accent{fill:var(--logo-accent);transition:fill .2s}