*,:before,:after{box-sizing:border-box}:root,[data-theme=light]{--color-primary:#1a5276;--color-primary-dark:#154360;--color-accent:#2980b9;--color-bg:#f8f9fa;--color-surface:#fff;--color-text:#2c3e50;--color-text-muted:#777;--color-border:#e0e0e0;--color-white:#fff;--color-error:#c0392b;--color-muted:#777;--color-card-bg:#fff;--color-card-shadow:#00000014;--color-header-bg:#fff;--color-header-text:#2c3e50;--color-header-border:#1a5276;--color-nav-hover-bg:#eaf2fb;--color-dropdown-bg:#fff;--color-footer-bg:#0d2b6e;--color-footer-text:#fff;--color-footer-link:gold;--color-title:#1a5276}[data-theme=dark]{--color-primary:#27ae60;--color-primary-dark:#1e8449;--color-accent:#2ecc71;--color-bg:#0f1923;--color-surface:#1a2535;--color-text:#fff;--color-text-muted:#b0c4d8;--color-border:#2c3e50;--color-white:#1a2535;--color-error:#e74c3c;--color-muted:#b0c4d8;--color-card-bg:#1a2535;--color-card-shadow:#0006;--color-header-bg:#0d1b2a;--color-header-text:#fff;--color-header-border:#27ae60;--color-nav-hover-bg:#1a3a2a;--color-dropdown-bg:#1a2535;--color-footer-bg:#060e18;--color-footer-text:#fff;--color-footer-link:gold;--color-title:#27ae60}html{-webkit-text-size-adjust:100%;font-size:16px}body{color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;padding:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,Liberation Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji;line-height:1.6;transition:background .3s,color .3s}h1,h2,h3,h4,h5,h6{color:var(--color-title);margin:0;font-family:inherit;line-height:1.3}p{margin:0}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto}button{font-family:var(--font-family)}#root{flex-direction:column;min-height:100vh;display:flex}.error-boundary{text-align:center;flex-direction:column;justify-content:center;align-items:center;max-width:500px;margin:2rem auto;padding:3rem 1rem;display:flex}.error-boundary__title{color:var(--color-error);margin:0 0 .75rem;font-size:1.5rem}.error-boundary__message{color:#555;margin:0 0 .5rem}.error-boundary__detail{color:#888;background:var(--color-bg);word-break:break-word;border-radius:4px;margin:0 0 1.25rem;padding:.5rem 1rem;font-family:monospace;font-size:.85rem}.error-boundary__reset-btn{background:var(--color-primary);color:var(--color-white);cursor:pointer;border:none;border-radius:4px;padding:.5rem 1.5rem;font-size:.9rem;transition:background .15s}.error-boundary__reset-btn:hover{background:var(--color-primary-dark)}.spinner{flex-direction:column;justify-content:center;align-items:center;gap:.75rem;padding:1rem;display:flex}.spinner__circle{border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:.8s linear infinite spin}.spinner--small .spinner__circle{border-width:2px;width:20px;height:20px}.spinner--medium .spinner__circle{width:36px;height:36px}.spinner--large .spinner__circle{border-width:4px;width:56px;height:56px}.spinner__message{color:#555;margin:0;font-size:.9rem}@keyframes spin{to{transform:rotate(360deg)}}.app{background:var(--color-bg);flex-direction:column;min-height:100vh;display:flex}