:root{font-family:Gill Sans,Gill Sans MT,Calibri,sans-serif;line-height:1.5;font-weight:400;color:#1a1a2e;background-color:#f5f5f5}*,*:before,*:after{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}.app{max-width:480px;margin:0 auto;padding:1rem}.app-header{text-align:center;margin-bottom:1.5rem}.app-header h1{margin:0;font-size:2rem;letter-spacing:.05em;text-transform:uppercase}.guess-counter{margin:.25rem 0 0;font-size:.9rem;color:#666}.bottom-btn{padding:.3rem .75rem;font-size:.8rem;color:#666;background:none;border:1px solid #ccc;border-radius:6px;cursor:pointer;font-family:inherit}.bottom-btn:hover{color:#333;border-color:#999}.settings-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:100}.settings-modal{position:relative;background:#fff;border-radius:12px;padding:1.5rem 1.5rem 1.25rem;max-width:400px;width:90%;box-shadow:0 8px 32px #0003;text-align:left;font-size:.9rem;color:#333;line-height:1.5}.settings-modal h2{margin:0 0 .75rem;font-size:1.25rem;text-align:center}.settings-modal h3{margin:1rem 0 .25rem;font-size:1rem}.settings-modal p{margin:0 0 .5rem}.settings-close{position:absolute;top:.5rem;right:.75rem;background:none;border:none;font-size:1.5rem;color:#999;cursor:pointer;line-height:1;padding:0}.settings-close:hover{color:#333}.difficulty-key{list-style:none;padding:0;margin:.25rem 0 .5rem;font-size:.85rem}.difficulty-key li{margin:.2rem 0}.hint-key{list-style:none;padding:0;margin:.25rem 0 .5rem;display:flex;flex-direction:column;gap:.35rem}.hint-key li{display:flex;align-items:center;gap:.5rem}.inline-tile{width:1.6rem;height:1.6rem;font-size:.8rem;flex-shrink:0}.difficulty-toggle{display:inline-flex;border:1px solid #ccc;border-radius:6px;overflow:hidden;margin-top:.5rem}.difficulty-btn{padding:.3rem .75rem;font-size:.8rem;border:none;background:#fff;color:#666;cursor:pointer;font-family:inherit;font-weight:500}.difficulty-btn+.difficulty-btn{border-left:1px solid #ccc}.difficulty-btn.active{background:#0098d4;color:#fff}.station-input{position:relative;margin-top:1rem}.station-input input{width:100%;padding:.75rem 1rem;font-size:1rem;border:2px solid #ccc;border-radius:8px;outline:none;font-family:inherit}.station-input input:focus{border-color:#0098d4}.station-dropdown{position:absolute;top:100%;left:0;right:0;margin:0;padding:0;list-style:none;background:#fff;border:1px solid #ccc;border-top:none;border-radius:0 0 8px 8px;max-height:240px;overflow-y:auto;z-index:10;box-shadow:0 4px 12px #0000001a}.station-dropdown li{padding:.6rem 1rem;cursor:pointer}.station-dropdown li.highlighted{background:#e8f4fd}.guess-list{display:flex;flex-direction:column;gap:.75rem}.guess-row{background:#fff;border-radius:8px;padding:.75rem 1rem;box-shadow:0 1px 3px #00000014}.guess-row.correct{background:#e6f9e6;border:2px solid #2ecc71}.guess-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:.4rem}.guess-station{font-weight:600;font-size:1rem}.code-tiles{display:flex;gap:3px}.code-tile{display:inline-flex;align-items:center;justify-content:center;width:2rem;height:2rem;font-weight:700;font-size:.95rem;border-radius:4px;color:#fff}.code-tile.correct{background:#6aaa64}.code-tile.present{background:#c9b458}.code-tile.absent{background:#787c7e}.guess-correct-label{color:#2ecc71;font-weight:600}.guess-hint{font-size:.85rem}.route-segments{display:flex;flex-direction:column;gap:.35rem}.segment{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}.segment-lines{display:flex;gap:.25rem;flex-wrap:wrap}.line-badge{display:inline-block;padding:.15rem .5rem;border-radius:4px;color:#fff;font-size:.75rem;font-weight:600;white-space:nowrap}.line-separator{color:#999;font-size:.8rem}.segment-chevron{color:#999}.segment-stops{color:#666;white-space:nowrap}.segment-arrow{color:#444;font-style:italic;white-space:nowrap}.guess-footer{display:flex;justify-content:space-between;align-items:center;margin-top:.3rem}.guess-total{font-weight:600;color:#333}.guess-stats{display:flex;gap:.75rem;font-size:.8rem;color:#888}.guess-zone,.guess-ridership{white-space:nowrap}.game-over-card{background:#fff;border-radius:8px;padding:1.25rem 1rem;margin-top:.75rem;text-align:center;box-shadow:0 1px 3px #00000014}.game-over-card h2{margin:0 0 .5rem;font-size:1.25rem}.game-over-answer{font-size:1.1rem;margin:0 0 .5rem}.game-over-stats{display:flex;justify-content:center;align-items:center;gap:1rem;font-size:1rem;font-weight:600;color:#555;margin-bottom:.5rem}.share-btn{margin:.75rem auto .5rem;display:block;padding:.5rem 1.5rem;font-size:.9rem;font-weight:600;font-family:inherit;color:#fff;background:#0098d4;border:none;border-radius:6px;cursor:pointer}.share-btn:hover{background:#007ab3}.game-over-comeback{color:#666;margin:0;font-size:.9rem}.bottom-buttons{display:flex;justify-content:center;gap:.5rem;margin-top:1.5rem}.app-footer{margin-top:2rem;text-align:center;font-size:.7rem;color:#999}.app-footer p{margin:.15rem 0}.app-footer a{color:#999;text-decoration:underline}