:root{--bg-color: #f8fafc;--text-color: #0f172a;--text-secondary: #475569;--primary-color: #0f172a;--accent-color: #2563eb;--accent-hover: #1d4ed8;--card-bg: #ffffff;--card-border: 1px solid #e2e8f0;--card-shadow: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--input-bg: #ffffff;--input-border: 1px solid #cbd5e1}[data-theme=dark]{--bg-color: #0f172a;--text-color: #f8fafc;--text-secondary: #94a3b8;--primary-color: #f8fafc;--accent-color: #3b82f6;--accent-hover: #60a5fa;--card-bg: #1e293b;--card-border: 1px solid #334155;--card-shadow: 0 4px 6px -1px rgba(0, 0, 0, .3);--input-bg: #1e293b;--input-border: 1px solid #475569}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--bg-color);color:var(--text-color);-webkit-font-smoothing:antialiased;line-height:1.5}.container{max-width:1200px;margin:0 auto;padding:2rem}.btn{background:var(--accent-color);color:#fff;border:none;padding:.75rem 1.5rem;border-radius:.375rem;cursor:pointer;font-weight:600;transition:background-color .2s;box-shadow:0 1px 2px #0000000d}.btn:hover{background:var(--accent-hover)}.input{background:var(--input-bg);border:var(--input-border);color:var(--text-color);padding:.75rem;border-radius:.375rem;width:100%;box-sizing:border-box;font-size:1rem}.input:focus{outline:2px solid var(--accent-color);outline-offset:-1px;border-color:var(--accent-color)}.error-boundary{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--bg-color);padding:2rem}.error-boundary__content{max-width:500px;text-align:center;background:var(--card-bg);border:var(--card-border);border-radius:1rem;padding:3rem 2rem;box-shadow:var(--card-shadow)}.error-boundary__icon{font-size:4rem;margin-bottom:1rem;animation:shake .5s ease-in-out}.error-boundary__content h2{color:var(--text-color);margin-bottom:1rem;font-size:1.75rem}.error-boundary__message{color:var(--text-secondary);margin-bottom:2rem;padding:1rem;background:#ef44441a;border-radius:.5rem;border:1px solid rgba(239,68,68,.3);word-wrap:break-word}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-10px)}75%{transform:translate(10px)}}.loading-spinner-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:9999;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.loading-spinner-content{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem}.loading-spinner-content--fullscreen{background:var(--card-bg);padding:3rem;border-radius:1rem;box-shadow:var(--card-shadow)}.spinner{display:inline-block;position:relative}.spinner--small{width:24px;height:24px}.spinner--medium{width:48px;height:48px}.spinner--large{width:72px;height:72px}.spinner__circle{width:100%;height:100%;border-radius:50%;border:3px solid var(--primary-color-light, rgba(99, 102, 241, .2));border-top-color:var(--primary-color);animation:spin .8s linear infinite}.spinner--small .spinner__circle{border-width:2px}.spinner--large .spinner__circle{border-width:4px}.loading-spinner__message{color:var(--text-color);font-size:.95rem;margin:0;text-align:center}@keyframes spin{to{transform:rotate(360deg)}}