:root{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color-scheme:light;--primary: #1d6f42;--primary-dark: #154f30;--danger: #c0392b;--bg: #f4f6f5;--card-bg: #ffffff;--border: #d6dbd9;--text: #1f2a24}*{box-sizing:border-box}html,body,#app{margin:0;min-height:100vh}body{background:var(--bg);color:var(--text)}h1,h2,h3{margin:0 0 .5em}.page{max-width:640px;margin:0 auto;padding:1rem 1rem 4rem}.card{background:var(--card-bg);border:1px solid var(--border);border-radius:12px;padding:1rem;margin-bottom:1rem}.btn{display:inline-block;width:100%;padding:.9rem 1rem;font-size:1.05rem;font-weight:600;border-radius:10px;border:none;background:var(--primary);color:#fff;cursor:pointer;text-align:center;text-decoration:none;box-sizing:border-box}.btn:active{background:var(--primary-dark)}.btn.secondary{background:#fff;color:var(--primary);border:2px solid var(--primary)}.btn.danger{background:var(--danger)}.btn.small{width:auto;padding:.4rem .8rem;font-size:.9rem}.btn-stack>*+*{margin-top:.75rem}.field{margin-bottom:.75rem}.field label{display:block;margin-bottom:.25rem;font-weight:600}.field input,.field select{width:100%;padding:.7rem;font-size:1rem;border:1px solid var(--border);border-radius:8px}.error{color:var(--danger);margin:.5rem 0}.muted{color:#6b7a72;font-size:.9rem}.climber-row{display:flex;align-items:center;justify-content:space-between;padding:1rem;border:2px solid var(--border);border-radius:10px;margin-bottom:.6rem;font-size:1.1rem;font-weight:600;cursor:pointer;-webkit-user-select:none;user-select:none}.climber-row.validated{border-color:var(--primary);background:#e6f3ec}.climber-row .check{width:28px;height:28px;border-radius:50%;border:2px solid var(--border);display:flex;align-items:center;justify-content:center;flex-shrink:0}.climber-row.validated .check{background:var(--primary);border-color:var(--primary);color:#fff}.leaderboard-row{display:flex;align-items:center;gap:.75rem;padding:.6rem 0;border-bottom:1px solid var(--border)}.leaderboard-row .rank{font-weight:700;width:2rem;text-align:right}.leaderboard-row .name{flex:1;font-weight:600}.leaderboard-row .score{font-weight:700;color:var(--primary)}.pin-display{font-size:2.2rem;font-weight:800;letter-spacing:.2em;text-align:center;padding:.5rem;background:#eef6f1;border-radius:10px;margin:.5rem 0}.top-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.tag{display:inline-block;padding:.2rem .6rem;border-radius:999px;font-size:.8rem;font-weight:700;background:#eef6f1;color:var(--primary)}.block-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(90px,1fr));gap:.6rem}.list-item{display:flex;justify-content:space-between;align-items:center;padding:.5rem 0;border-bottom:1px solid var(--border)}.list-item:last-child{border-bottom:none}.grid-page{max-width:100%}.grid-scroll{overflow-x:auto}.live-grid{border-collapse:collapse;width:100%}.live-grid th,.live-grid td{border:1px solid var(--border);padding:.5rem .7rem;text-align:center;white-space:nowrap}.live-grid th{background:#eef6f1}.live-grid .climber-col{text-align:left;position:sticky;left:0;background:var(--card-bg);font-weight:600;z-index:1}.live-grid thead .climber-col{background:#eef6f1}.live-grid .check-mark{color:var(--primary);font-weight:700;font-size:1.1rem}