#root{max-width:1400px;margin:0 auto;padding:2rem;text-align:center}.container{display:flex;flex-direction:column;gap:2rem;align-items:center}.grid{display:flex;gap:2rem;width:100%;justify-content:center;flex-wrap:wrap;align-items:flex-start}.card{padding:1.5em;border:1px solid #ccc;border-radius:8px;text-align:left;flex:1;min-width:300px;background:#2a2a2a;color:#fff}.full-width{width:100%;flex:none}ul{padding:0;margin:0}.train-item{display:flex;justify-content:space-between;align-items:center;margin-bottom:.8rem;padding:.8rem;border:1px solid #444;border-radius:6px;background:#333;list-style:none;transition:all .2s}.train-item.selected{border-color:#646cff;background-color:#3a3a3a;box-shadow:0 0 8px #646cff66}.train-info{display:flex;flex-direction:column;gap:.2rem}.train-item button{white-space:nowrap;margin-left:1rem}.legs{display:flex;gap:.5rem;margin-top:.5rem;flex-wrap:wrap}.leg-badge{background:#555;color:#eee;padding:.2rem .5rem;border-radius:4px;font-size:.8em}.form-group{margin-bottom:1rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:700}.form-group input{width:100%;padding:.5rem;box-sizing:border-box}.readonly-input{background:#444;color:#aaa;border:1px solid #555}.error{color:red;background:#ffdada;padding:1rem;border-radius:4px}.prediction-table{width:100%;border-collapse:collapse}.prediction-table th,.prediction-table td{border:1px solid #444;padding:.5rem;text-align:left}.monospace{font-family:monospace;font-size:.9em;color:#aaa}.app-header{display:flex;justify-content:space-between;align-items:center;width:100%;margin-bottom:2rem;border-bottom:1px solid #444;padding-bottom:1rem}.user-profile{display:flex;align-items:center}.user-info{display:flex;flex-direction:column;align-items:flex-end;background:#333;padding:.5rem 1rem;border-radius:6px;border:1px solid #555}.username{font-weight:700;color:#646cff}.score{font-size:.9em;color:#aaa}.btn-login{background-color:#646cff}.btn-login:hover{background-color:#535bf2}.station-meta{margin-top:.4rem;color:#888;font-size:.9em;display:flex;align-items:center}.inspector-card{background:#222;border:2px solid #646cff;border-radius:12px;padding:1.5rem;box-shadow:0 4px 20px #00000080;animation:popIn .3s ease-out}@keyframes popIn{0%{transform:scale(.9);opacity:0}to{transform:scale(1);opacity:1}}.inspector-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;border-bottom:1px solid #444;padding-bottom:.5rem}.inspector-header 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button:hover:not(:disabled){background:#646cff}.value-display{font-size:1.5rem;font-weight:700;min-width:60px;text-align:center}.value-display small{font-size:.6em;color:#888;margin-left:2px}.btn-sign{padding:.5rem 1rem;border-radius:20px;font-weight:700;border:none;cursor:pointer;min-width:100px}.btn-sign.late{background:#fca311;color:#1a1a1a}.btn-sign.early{background:#10b981;color:#fff}.total-preview{margin-top:1rem;font-size:1.2rem;color:#fff}.btn-challenge{width:100%;padding:1rem;font-size:1.2rem;background:linear-gradient(45deg,#646cff,#fca311);border:none;color:#fff;font-weight:700;text-transform:uppercase;letter-spacing:1px}.btn-challenge:hover{filter:brightness(1.1);transform:translateY(-2px);box-shadow:0 4px 12px #646cff66}.placeholder-card{text-align:center;padding:2rem;color:#888;border:1px dashed #555;border-radius:8px;background:#2a2a2a}.placeholder-card h2{color:#ddd;margin-bottom:.5rem}:root{--col-signal-yellow: #FFD700;--col-traffic-red: #FF3B30;--col-midnight-blue: #1A1A2E;--col-slate: #2D3748;--col-white: #FFFFFF;--col-concrete: #9aa0a6;--col-dark-overlay: rgba(0, 0, 0, .4);--font-main: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-2xl: 48px;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--shadow-card: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-elevator: 4px 4px 0px rgba(0, 0, 0, .5);color-scheme:dark}*,*:before,*:after{box-sizing:border-box}body{margin:0;padding:0;font-family:var(--font-main);background-color:var(--col-midnight-blue);color:var(--col-white);line-height:1.5;-webkit-font-smoothing:antialiased}h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;letter-spacing:-.02em}a{color:var(--col-signal-yellow);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;border:none;font-family:inherit;font-weight:600;transition:transform .1s ease,box-shadow .1s ease}.btn-primary{background-color:var(--col-signal-yellow);color:var(--col-midnight-blue);padding:var(--space-md) var(--space-lg);font-size:1rem;border-radius:var(--radius-sm);box-shadow:var(--shadow-elevator);text-transform:uppercase;letter-spacing:.05em}.btn-primary:active{transform:translate(2px,2px);box-shadow:2px 2px #00000080}.btn-danger{background-color:var(--col-traffic-red);color:var(--col-white);padding:var(--space-sm) var(--space-md);border-radius:var(--radius-sm);box-shadow:var(--shadow-elevator)}.btn-danger:active{transform:translate(2px,2px);box-shadow:2px 2px #00000080}.btn-ghost{background:transparent;color:var(--col-concrete);padding:var(--space-sm)}.btn-ghost:hover{color:var(--col-white);background:#ffffff0d}.container{max-width:1200px;margin:0 auto;padding:0 var(--space-md)}.card{background-color:var(--col-slate);padding:var(--space-lg);border-radius:var(--radius-md);box-shadow:var(--shadow-card)}