body{color:#1a1a2e;-webkit-font-smoothing:antialiased;background:#f8f7ff;min-height:100vh;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}#root{width:100%;min-height:100vh}:root{--pink:#d63f6e;--purple:#5c5cb8;--teal:#45b8c0;--green:#6bb82e;--orange:#f0823a;--yellow:#f5d03a;--navy:#1a2456;--dark:#1a1a2e;--light:#9ebf5f;--white:#fff;--shadow:0 4px 18px #5c5cb821;--radius:14px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{background:var(--light);color:var(--dark);min-height:100vh;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}.app{flex-direction:column;min-height:100vh;display:flex}.app-header{background:var(--white);border-bottom:3px solid var(--pink);box-shadow:var(--shadow);align-items:center;gap:16px;padding:12px 32px;display:flex}.header-logo{object-fit:contain;width:auto;height:140px}.header-title{background:linear-gradient(90deg, var(--pink) 0%, var(--purple) 45%, var(--teal) 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.2s}.upload-zone:hover,.upload-zone.dragging{border-color:var(--pink);background:#fff0f5}.upload-icon{margin-bottom:12px;font-size:3rem}.upload-title{color:var(--purple);margin-bottom:6px;font-size:1.25rem;font-weight:700}.upload-sub{color:#666;margin-bottom:8px;font-size:.95rem}.upload-hint{color:var(--teal);font-size:.82rem;font-style:italic}.recent-scores{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);margin-top:36px;padding:24px 28px}.recent-scores-title{color:var(--purple);margin-bottom:14px;font-size:1.1rem;font-weight:700}.recent-scores-list{flex-wrap:wrap;gap:10px;padding:0;list-style:none;display:flex}.recent-score-card{border:2px solid var(--teal);background:var(--white);border-radius:10px;align-items:stretch;transition:border-color .15s,box-shadow .15s;display:flex;overflow:hidden}.recent-score-card:hover{border-color:var(--pink);box-shadow:0 3px 10px #d63f6e2e}.recent-score-open{cursor:pointer;font:inherit;background:0 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li{color:#444;line-height:1.5}.practice-session{flex-direction:column;gap:16px;display:flex}.session-body{align-items:flex-start;gap:16px;display:flex}.session-main{flex-direction:column;flex:1;gap:16px;min-width:0;display:flex}.practice-log-list{flex-direction:column;gap:6px;max-height:400px;list-style:none;display:flex;overflow-y:auto}.practice-log-entry{cursor:pointer;background:#f5f5fb;border-radius:8px;align-items:center;gap:5px;padding:6px 8px;font-size:.8rem;transition:background .15s;display:flex}.practice-log-entry:hover{background:#ebebf8}.log-time{color:#999;white-space:nowrap;font-size:.72rem}.log-mode{font-size:.85rem}.log-range{color:var(--navy);white-space:nowrap;font-weight:700}.log-clear{color:#888;cursor:pointer;background:#f5f5f8;border:1px solid #ddd;border-radius:8px;align-self:flex-start;margin-top:2px;padding:5px 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