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(max-width: 768px){.exercises-table{padding:1rem}.exercises-table table{font-size:.8rem}.exercises-table th,.exercises-table td{padding:.5rem}}:root{--gym-accent: #5c6bc0;--gym-accent-light: #e8eaf6;--gym-avg: #00897b;--gym-avg-light: #e0f2f1;--gym-max: #f9a825;--gym-max-light: #fff8e1;--gym-volume: #7b1fa2;--gym-volume-light: #f3e5f5;--gym-bg: #eceff1;--gym-card: #ffffff;--gym-text: #263238;--gym-text-muted: #546e7a}.dashboard{min-height:100vh;background:linear-gradient(160deg,#e3f2fd,#eceff1,#fff3e0)}.dashboard-header{background:linear-gradient(135deg,#5c6bc0,#3949ab);padding:1rem 2rem;box-shadow:0 4px 12px #3949ab4d;display:flex;justify-content:space-between;align-items:center}.dashboard-header h1{color:#fff;font-size:1.5rem;font-weight:700}.logout-btn{padding:.5rem 1rem;background:#fff3;color:#fff;border:1px solid rgba(255,255,255,.4);border-radius:8px;cursor:pointer;font-size:.875rem;transition:background .2s,border-color .2s}.logout-btn:hover{background:#ffffff4d;border-color:#fff9}.dashboard-content{max-width:1200px;margin:2rem auto;padding:0 2rem}.controls{background:var(--gym-card);padding:1.5rem;border-radius:16px;box-shadow:0 4px 16px #00000014;margin-bottom:2rem;display:flex;flex-direction:column;gap:1.5rem;border:1px solid rgba(92,107,192,.12)}.control-section{display:flex;flex-direction:column;gap:.75rem}.control-section-title{font-size:.8rem;font-weight:600;color:var(--gym-text-muted);text-transform:uppercase;letter-spacing:.06em;margin:0}.control-buttons{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center}.control-btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.25rem;min-height:52px;border:2px solid #e0e0e0;border-radius:12px;background:#fafafa;color:var(--gym-text);font-size:.95rem;font-weight:500;cursor:pointer;transition:border-color .2s,background .2s,color .2s,box-shadow 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rgba(92,107,192,.08)}.loading,.error{text-align:center;padding:2rem;background:var(--gym-card);border-radius:16px;box-shadow:0 4px 16px #00000014}.error{color:#c62828;background:#ffebee;border:1px solid #ef9a9a}.progress-chart{margin-bottom:2rem}.chart-controls{margin-bottom:1rem}.date-range-inputs{display:flex;align-items:center;gap:1rem;margin-bottom:.5rem;flex-wrap:wrap}.date-range-inputs label{display:flex;align-items:center;gap:.5rem;font-size:.9rem;color:#555}.date-range-inputs input[type=date]{padding:.5rem;border:1px solid #ddd;border-radius:4px;font-size:.9rem}.date-range-inputs input[type=date]:focus{outline:none;border-color:#8884d8;box-shadow:0 0 0 2px #8884d833}.select-date-btn,.clear-date-btn{padding:.5rem 1rem;border:none;border-radius:4px;font-size:.9rem;cursor:pointer;transition:background .2s}.select-date-btn{background:#8884d8;color:#fff}.select-date-btn:hover{background:#6b67b8}.clear-date-btn{background:#dc3545;color:#fff}.clear-date-btn:hover{background:#c82333}.chart-hint{font-size:.85rem;color:var(--gym-text-muted);font-style:italic}.loading-container{display:flex;justify-content:center;align-items:center;height:100vh}.loading-spinner{font-size:18px;color:#666}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f5f5f5}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}