:root{--bg-main: #0f0d18;--bg-surface: #16132a;--bg-elevated: #1e1a32;--bg-deep: #26203d;--primary: #8b5cf6;--primary-soft: #7c3aed;--primary-hover: #a78bfa;--text: #e2e8f0;--text-muted: #94a3b8;--border: #334155;--success: #34d399;--warning: #fbbf24;--error: #f87171;--danger: #f87171;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .2);--shadow: 0 4px 12px rgba(0, 0, 0, .25);--glow-primary: 0 0 20px rgba(139, 92, 246, .15);font-family:DM Sans,Inter,system-ui,-apple-system,sans-serif;font-size:16px;line-height:1.5;color:var(--text);background-color:var(--bg-main);-webkit-font-smoothing:antialiased}*,*:before,*:after{box-sizing:border-box}html{height:100%}body{margin:0;min-height:100%;background-color:var(--bg-main)}#root{min-height:100vh}input,textarea,select,button{font-family:inherit;font-size:inherit}input::placeholder,textarea::placeholder{color:var(--text-muted)}button{cursor:pointer}a{color:var(--primary);text-decoration:none}a:hover{color:var(--primary-hover)}.app{min-height:100vh;background:var(--bg-main)}.app-header{background:var(--bg-surface);border-bottom:1px solid var(--border);padding:1.25rem 2rem;box-shadow:var(--shadow-sm)}.app-header h1{margin:0;font-size:1.5rem;font-weight:600;color:var(--text)}.tagline{margin:.25rem 0 0;font-size:.9rem;color:var(--text-muted)}.app-main{padding:2rem;max-width:640px;margin:0 auto}.card{background:var(--bg-surface);border:1px solid var(--border);border-radius:10px;padding:1.5rem;box-shadow:var(--shadow-sm)}.card h2{margin:0 0 .75rem;font-size:1.15rem;font-weight:600;color:var(--text)}.text-muted{color:var(--text-muted);margin:0 0 1rem;font-size:.95rem}.btn{padding:.5rem 1rem;border-radius:8px;border:none;font-weight:500}.btn-primary{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-soft) 100%);color:#fff;box-shadow:var(--glow-primary)}.btn-primary:hover{background:linear-gradient(135deg,var(--primary-hover) 0%,var(--primary) 100%);box-shadow:0 0 24px #8b5cf640}.btn-block{width:100%;padding:.65rem 1rem}.input-group{margin-bottom:1rem}.input-group label{display:block;margin-bottom:.35rem;font-size:.9rem;color:var(--text)}.input-group input{width:100%;padding:.5rem .75rem;border:1px solid var(--border);border-radius:8px;background:var(--bg-deep);color:var(--text)}.input-group input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px #8b5cf633}.error-msg{color:var(--error);font-size:.9rem;margin-top:.5rem}.hide-scrollbar{scrollbar-width:none;-ms-overflow-style:none}.hide-scrollbar::-webkit-scrollbar{width:0;height:0}.result-soft{margin:1rem 0 0;font-size:.9rem;color:var(--primary-hover)}