:root{--primary: #4361ee;--primary-light: #4895ef;--secondary: #3a0ca3;--accent: #f72585;--success: #4cc9f0;--warning: #f8961e;--danger: #ef233c;--light: #f8f9fa;--dark: #212529;--gray: #6c757d;--light-gray: #e9ecef}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background-color:#f8fafc;min-height:100vh;display:flex;justify-content:center;align-items:center;line-height:1.6;color:var(--dark)}.auth-container{width:100%;max-width:450px;background-color:#fff;padding:40px;border-radius:16px;box-shadow:0 15px 40px #0000001a;text-align:center;margin:20px}.auth-header{margin-bottom:30px}.logo{width:180px;margin-bottom:20px}.auth-header h2{font-size:28px;font-weight:700;color:var(--dark);margin-bottom:10px}.auth-header p{font-size:15px;color:var(--gray);font-weight:500}.alert{background-color:#fef2f2;color:var(--danger);padding:12px 15px;border-radius:8px;margin-bottom:20px;font-size:14px;border-left:4px solid 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svg{width:24px;height:24px;color:#495057}.notification-count{position:absolute;top:-5px;right:-5px;background:#e74c3c;color:#fff;border-radius:50%;width:20px;height:20px;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700}.notifications-panel{position:absolute;top:50px;right:0;width:350px;max-height:500px;background:#fff;border-radius:8px;box-shadow:0 4px 12px #00000026;overflow:hidden;z-index:1000}.notifications-header{display:flex;justify-content:space-between;align-items:center;padding:15px 20px;border-bottom:1px solid #eee;background:#f8f9fa}.notifications-header h3{margin:0;font-size:18px;color:#2c3e50}.close-btn{background:none;border:none;font-size:20px;cursor:pointer;color:#7f8c8d;padding:0 5px}.close-btn:hover{color:#2c3e50}.notifications-list{max-height:400px;overflow-y:auto}.empty-notifications{padding:20px;text-align:center;color:#7f8c8d}.notification-item{padding:15px 20px;border-bottom:1px solid 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8px;border-radius:4px;font-size:.8rem;font-weight:700}.badge.gender{background-color:#e3f2fd;color:#1976d2}.badge.gender.male{background-color:#bbdefb}.badge.gender.female{background-color:#fce4ec;color:#c2185b}.badge.level{background-color:#e8f5e9;color:#2e7d32}.badge.level.beginner{background-color:#e8f5e9}.badge.level.intermediate{background-color:#fff8e1;color:#ff8f00}.badge.level.advanced{background-color:#ffebee;color:#c62828}.exercise-stats{display:flex;gap:15px;color:#7f8c8d;font-size:.9rem}.exercise-stats i{margin-right:5px}.video-container{position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin-top:15px;border-radius:5px;background-color:#000}.video-container.playing{box-shadow:0 0 0 2px #3498db}.video-container video{position:absolute;top:0;left:0;width:100%;height:100%}.video-error{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px;background-color:#f8d7da;border-radius:5px;color:#721c24;margin-top:15px}.video-error i{font-size:2rem;margin-bottom:10px}.loading-details{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px}.loading-details i{font-size:2rem;margin-bottom:10px;color:#3498db;animation:spin 1s linear infinite}:root{--primary: #4361ee;--primary-light: #4895ef;--secondary: #3a0ca3;--accent: #f72585;--success: #4cc9f0;--warning: #f8961e;--danger: #ef233c;--light: #f8f9fa;--dark: #212529;--gray: #6c757d;--light-gray: #e9ecef;--card-bg: #ffffff;--text-color: #212529;--text-secondary: #6c757d}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.6;color:var(--dark)}.dashboard-container{display:flex;min-height:100vh;background-color:#f8fafc}.sidebar{width:280px;background:linear-gradient(180deg,var(--secondary) 0%,var(--dark) 100%);color:#fff;padding:30px 0;box-shadow:4px 0 15px #0000001a;z-index:10;position:sticky;top:0;height:100vh;overflow-y:auto}.sidebar::-webkit-scrollbar{width:6px}.sidebar::-webkit-scrollbar-track{background:#ffffff1a}.sidebar::-webkit-scrollbar-thumb{background-color:var(--primary);border-radius:3px}.profile-section{text-align:center;padding:0 25px 25px;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:25px}.profile-pic-container{position:relative;width:100px;height:100px;margin:0 auto 15px;cursor:pointer}.profile-pic{width:100px;height:100px;border-radius:50%;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);display:flex;align-items:center;justify-content:center;font-size:36px;font-weight:700;color:#fff;box-shadow:0 4px 15px #0003;object-fit:cover}.profile-pic-container img.profile-pic{border:3px solid white}.profile-edit-overlay{position:absolute;bottom:0;right:0;background:#000000b3;padding:5px 10px;border-radius:20px;display:flex;align-items:center;justify-content:center;color:#fff;border:2px solid white;transition:all .3s ease;font-size:12px;gap:5px}.edit-text{display:none}.profile-pic-container:hover .profile-edit-overlay{background:var(--primary);padding:5px 15px}.profile-pic-container:hover .edit-text{display:inline}.profile-name{margin:0 0 5px;font-size:18px;font-weight:600;color:#fff}.profile-email{margin:0;font-size:14px;color:#adb5bd}.nav-menu{flex:1;overflow-y:auto;padding:0 15px}.nav-list{list-style:none}.nav-item{padding:15px 20px;cursor:pointer;display:flex;align-items:center;font-size:15px;transition:all .3s ease;border-radius:8px;margin-bottom:5px;color:#e9ecef}.nav-item:hover{background-color:#ffffff1a;color:#fff}.nav-item.active{background:linear-gradient(90deg,var(--primary) 0%,var(--primary-light) 100%);color:#fff;box-shadow:0 4px 15px #4361ee4d}.nav-icon{margin-right:15px;width:20px;text-align:center;font-size:16px}.main-content{flex:1;padding:40px;overflow-y:auto;height:100vh;min-width:0}.main-content::-webkit-scrollbar{width:8px}.main-content::-webkit-scrollbar-track{background:var(--light-gray)}.main-content::-webkit-scrollbar-thumb{background-color:var(--primary);border-radius:4px}.content-background{position:absolute;top:0;left:0;right:0;bottom:0;z-index:-1;overflow:hidden}.background-pattern{position:absolute;top:0;left:0;right:0;bottom:0;background-color:#f8fafc;background-image:radial-gradient(circle at 10% 20%,rgba(72,149,239,.05) 0%,transparent 20%),radial-gradient(circle at 90% 80%,rgba(248,37,133,.05) 0%,transparent 20%);background-size:300px 300px}.background-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,#ffffffe6,#f8f9faf2)}.dashboard-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:40px}.welcome-title{font-size:32px;font-weight:700;margin:0 0 8px;color:var(--dark);line-height:1.2}.welcome-subtitle{font-size:16px;color:var(--gray);margin:0;font-weight:500}.date-display{background-color:#fff;padding:12px 20px;border-radius:12px;box-shadow:0 4px 15px #0000000d;font-weight:600;color:var(--dark);font-size:14px;border:1px solid rgba(0,0,0,.05)}.metrics-dashboard{margin-bottom:40px}.metrics-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:20px}.metric-card{background:#fff;border-radius:16px;padding:25px;box-shadow:0 8px 30px #0000000d;transition:all .3s ease;border-left:4px solid var(--primary)}.metric-card:hover{transform:translateY(-5px);box-shadow:0 15px 40px #0000001a}.metric-header{display:flex;align-items:center;margin-bottom:15px}.metric-icon{width:50px;height:50px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-right:15px;font-size:20px;color:#fff}.metric-icon.weight{background-color:#3b82f6;background:linear-gradient(135deg,#3b82f6,#1d4ed8)}.metric-icon.target{background-color:#8b5cf6;background:linear-gradient(135deg,#8b5cf6,#6d28d9)}.metric-icon.bmi{background-color:#10b981;background:linear-gradient(135deg,#10b981,#047857)}.metric-icon.streak{background-color:#f59e0b;background:linear-gradient(135deg,#f59e0b,#d97706)}.metric-icon.activity{background-color:#06b6d4;background:linear-gradient(135deg,#06b6d4,#0e7490)}.metric-icon.heart{background-color:#ef4444;background:linear-gradient(135deg,#ef4444,#b91c1c)}.metric-card h3{font-size:16px;color:var(--gray);font-weight:600;text-transform:uppercase;letter-spacing:.5px}.metric-value{font-size:32px;font-weight:700;margin:0 0 10px;color:var(--dark)}.metric-trend{font-size:14px;color:var(--gray);display:flex;align-items:center}.trend-up{color:#ef4444;margin-right:5px}.trend-down{color:#10b981;margin-right:5px}.bmi-status{font-size:16px;margin-left:5px;font-weight:600}.progress-container{display:flex;align-items:center;gap:15px}.progress-bar{flex:1;height:8px;background-color:var(--light-gray);border-radius:4px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary) 0%,var(--accent) 100%);border-radius:4px;transition:width .5s ease}.workout-section{margin-bottom:40px}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.section-title{font-size:22px;font-weight:700;color:var(--dark);position:relative;padding-left:15px}.section-title:before{content:"";position:absolute;left:0;top:5px;height:20px;width:4px;background:linear-gradient(180deg,var(--primary) 0%,var(--accent) 100%);border-radius:4px}.view-all-button{background-color:transparent;border:none;color:var(--primary);font-weight:600;cursor:pointer;font-size:14px;padding:8px 12px;border-radius:8px;transition:all .2s ease}.view-all-button:hover{background-color:#4361ee1a}.workout-card{background:#fff;border-radius:16px;padding:30px;box-shadow:0 8px 30px #0000000d;transition:all .3s ease}.workout-card:hover{transform:translateY(-5px);box-shadow:0 15px 40px #0000001a}.workout-content{display:flex;justify-content:space-between;margin-bottom:25px}.workout-title{font-size:24px;font-weight:700;margin:0 0 12px;color:var(--dark)}.workout-time{font-size:16px;color:var(--gray);margin:0 0 20px;font-weight:500}.workout-stats{display:flex;gap:25px}.stat-item{display:flex;align-items:center;gap:8px;font-size:15px;color:var(--gray);font-weight:500}.stat-item i{color:var(--primary);font-size:16px}.workout-image{width:140px;height:140px;background:linear-gradient(135deg,#e0e7ff,#dbeafe);border-radius:14px;display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:50px;flex-shrink:0}.start-workout-button{background:linear-gradient(90deg,var(--primary) 0%,var(--primary-light) 100%);color:#fff;border:none;padding:14px 28px;border-radius:12px;font-weight:600;cursor:pointer;font-size:16px;transition:all .3s ease;box-shadow:0 4px 15px #4361ee4d;display:inline-flex;align-items:center;justify-content:center;width:100%}.start-workout-button:hover{transform:translateY(-3px);box-shadow:0 10px 25px #4361ee66}.start-workout-button i{margin-right:10px;font-size:14px}.workout-plan-wrapper{padding:0;height:100%;display:flex;flex-direction:column;background:transparent}.workout-plan-content{background:#fff;border-radius:16px;padding:2rem;box-shadow:0 8px 30px #0000000d;flex:1;display:flex;flex-direction:column;overflow:hidden}.days-navigation{display:flex;gap:.5rem;margin-bottom:1.5rem;overflow-x:auto;padding-bottom:.5rem;scrollbar-width:thin;scrollbar-color:var(--primary-light) var(--light-gray)}.days-navigation::-webkit-scrollbar{height:6px}.days-navigation::-webkit-scrollbar-track{background:var(--light-gray);border-radius:3px}.days-navigation::-webkit-scrollbar-thumb{background-color:var(--primary-light);border-radius:3px}.day-tab{padding:.75rem 1.5rem;border:none;border-radius:8px;background-color:#f3f4f6;color:#4b5563;font-weight:600;cursor:pointer;transition:all .2s ease;white-space:nowrap;flex-shrink:0}.day-tab:hover{background-color:#e5e7eb}.day-tab.active{background:linear-gradient(90deg,var(--primary) 0%,var(--primary-light) 100%);color:#fff;box-shadow:0 4px 15px #4361ee4d}.exercises-section{flex:1;overflow-y:auto;padding:.5rem}.exercises-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem}.exercise-card{background:#fff;border-radius:12px;box-shadow:0 2px 8px #00000014;overflow:hidden;border:1px solid #e5e7eb;transition:all .3s ease}.exercise-card.expanded{box-shadow:0 8px 25px #0000001f;transform:translateY(-3px)}.card-header{padding:1.25rem;background-color:#f9fafb;display:flex;justify-content:space-between;align-items:center;cursor:pointer;transition:background-color .2s ease}.card-header:hover{background-color:#f3f4f6}.card-header h3{margin:0;font-size:1.1rem;color:var(--dark);font-weight:600;flex:1}.toggle-button{background:none;border:none;color:var(--gray);cursor:pointer;padding:.5rem;border-radius:6px;transition:all .2s ease;display:flex;align-items:center;justify-content:center}.toggle-button:hover{background-color:#e5e7eb;color:var(--dark)}.card-body{padding:0 1.25rem;max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s ease}.exercise-card.expanded .card-body{padding:0 1.25rem 1.25rem;max-height:1000px}.exercise-meta{display:flex;gap:.75rem;margin-bottom:1rem}.badge{padding:.35rem .75rem;border-radius:50px;font-size:.75rem;font-weight:600;text-transform:capitalize}.badge.gender{background-color:#e0e7ff;color:var(--primary)}.badge.level{background-color:#d1fae5;color:#065f46}.exercise-stats{display:flex;gap:1.5rem;margin:1.25rem 0;padding:.75rem 0;border-top:1px solid #e5e7eb;border-bottom:1px solid #e5e7eb}.exercise-stats span{display:flex;align-items:center;gap:.5rem;font-size:.875rem;color:var(--gray)}.exercise-stats i{color:var(--primary);font-size:1rem}.video-container{margin-top:1.25rem;border-radius:8px;overflow:hidden;background:#000}.video-container video{width:100%;display:block;border-radius:8px}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:3rem;text-align:center;color:var(--gray)}.empty-state i{font-size:2.5rem;margin-bottom:1rem;color:#d1d5db}.loading-container,.error-container{display:flex;flex-direction:column;align-items:center;justify-content:center;height:300px;padding:2rem;text-align:center}.error-container{color:var(--danger)}.error-container i{font-size:2.5rem;margin-bottom:1rem}.retry-button{margin-top:1.5rem;padding:.75rem 1.5rem;background:linear-gradient(90deg,var(--primary) 0%,var(--primary-light) 100%);color:#fff;border:none;border-radius:8px;font-weight:600;cursor:pointer;transition:all .2s ease;box-shadow:0 4px 15px #4361ee4d;display:inline-flex;align-items:center;gap:.5rem}.retry-button:hover{transform:translateY(-2px);box-shadow:0 6px 20px #4361ee66}.loading-details{display:flex;flex-direction:column;align-items:center;padding:2rem;color:var(--gray)}.loading-details i{font-size:1.5rem;margin-bottom:1rem;color:var(--primary);animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.goals-section{margin-bottom:40px}.goal-card{background:#fff;border-radius:16px;padding:30px;box-shadow:0 8px 30px #0000000d}.goal-title{font-size:24px;font-weight:700;margin:0 0 20px;color:var(--dark)}.progress-text{font-size:16px;font-weight:600;color:var(--primary)}.goal-subtext{font-size:15px;color:var(--gray);margin:15px 0 0}.booking-content{width:100%;padding:40px;background:#fff;border-radius:16px;box-shadow:0 8px 30px #0000000d;height:100%}.booking-wrapper{height:100%}.booking-header{display:flex;align-items:center;margin-bottom:30px;gap:20px}.booking-header h2{font-size:24px;color:var(--dark);margin:0}.booking-subtitle{color:var(--gray);margin-bottom:30px;font-size:16px}@media (max-width: 1200px){.sidebar{width:240px}.exercises-grid{grid-template-columns:repeat(3,1fr)}}@media (max-width: 992px){.metrics-row{grid-template-columns:repeat(2,1fr)}.workout-content{flex-direction:column}.workout-image{width:100%;height:120px;margin-top:20px}.exercises-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 768px){.dashboard-container{flex-direction:column}.sidebar{width:100%;padding:20px;height:auto;position:relative}.main-content{padding:30px;height:auto}.metrics-row,.exercises-grid{grid-template-columns:1fr}.workout-plan-content{padding:1.5rem}}@media (max-width: 576px){.dashboard-header{flex-direction:column;align-items:flex-start;gap:15px}.date-display{width:100%;text-align:center}.workout-stats{flex-direction:column;gap:15px}.profile-pic-container{width:80px;height:80px}.profile-pic{width:80px;height:80px;font-size:28px}.profile-edit-overlay{padding:3px 8px;font-size:10px}.section-header{flex-direction:column;align-items:flex-start;gap:10px}.view-all-button{margin-top:5px}.workout-plan-content,.card-header{padding:1rem}.card-header h3{font-size:1rem}.badge{font-size:.6875rem;padding:.25rem .5rem}}:root{--primary-color: #4a6bff;--secondary-color: #f8f9fa;--accent-color: #ff6b6b;--text-color: #333;--light-text: #6c757d;--border-color: #e0e0e0;--success-color: #28a745;--warning-color: #ffc107;--danger-color: #dc3545}*{margin:0;padding:0;box-sizing:border-box;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}body{background-color:#f5f7fa;color:var(--text-color)}.loading-screen{display:flex;justify-content:center;align-items:center;height:100vh;font-size:1.5rem}.auth-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background:linear-gradient(135deg,#f5f7fa,#c3cfe2);padding:2rem}.auth-card{background:#fff;border-radius:12px;box-shadow:0 10px 30px #0000001a;width:100%;max-width:450px;padding:2.5rem}.auth-header{text-align:center;margin-bottom:2rem}.auth-header h2{color:var(--primary-color);margin-bottom:.5rem}.auth-header p{color:var(--light-text)}.auth-form{display:flex;flex-direction:column;gap:1.5rem}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group label{font-weight:600;color:var(--text-color)}.form-group input{padding:.75rem 1rem;border:1px solid var(--border-color);border-radius:8px;font-size:1rem;transition:all .3s ease}.form-group input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #4a6bff33}.btn-primary{background-color:var(--primary-color);color:#fff;border:none;padding:.75rem;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease}.btn-primary:hover{background-color:#3a5bef}.btn-primary:disabled{background-color:#ccc;cursor:not-allowed}.auth-footer{text-align:center;margin-top:1rem;color:var(--light-text)}.auth-footer .link{color:var(--primary-color);cursor:pointer;font-weight:600}.forgot-password{margin-top:.5rem;color:var(--primary-color);cursor:pointer;font-size:.9rem}.alert{padding:.75rem 1rem;border-radius:8px;margin-bottom:1rem;font-size:.9rem}.alert-error{background-color:#fdecea;color:var(--danger-color);border:1px solid #f5c2c7}.dashboard-container{display:flex;min-height:100vh}.sidebar{width:250px;background-color:#fff;box-shadow:2px 0 10px #0000000d;padding:1.5rem}.main-content{flex:1;padding:2rem;background-color:var(--secondary-color)}