/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #333;
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Mobile Container */
.mobile-container {
    width: 375px;
    height: 812px;
    background: white;
    border-radius: 40px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    position: relative;
    display: flex;
    flex-direction: column;
}

/* Status Bar */
.status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 1.5rem;
    background: #000;
    color: white;
    font-size: 0.8rem;
    font-weight: 600;
}

.status-right {
    display: flex;
    gap: 0.5rem;
}

/* App Header */
.app-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 1.5rem;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid rgba(255, 255, 255, 0.3);
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-details h2 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.user-details p {
    font-size: 0.9rem;
    opacity: 0.9;
}

.header-actions {
    display: flex;
    gap: 1rem;
}

.notification-btn, .settings-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.notification-btn:hover, .settings-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.notification-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: #e74c3c;
    color: white;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 600;
}

/* App Content */
.app-content {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
    background: #f8f9fa;
}

/* Stats Overview */
.stats-overview {
    margin-bottom: 2rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.stat-card {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.stat-card:nth-child(1) .stat-icon {
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
}

.stat-card:nth-child(2) .stat-icon {
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.stat-card:nth-child(3) .stat-icon {
    background: linear-gradient(135deg, #4ecdc4, #44a08d);
}

.stat-card:nth-child(4) .stat-icon {
    background: linear-gradient(135deg, #f39c12, #e67e22);
}

.stat-info {
    flex: 1;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.8rem;
    color: #666;
    font-weight: 500;
}

/* Quick Actions */
.quick-actions {
    margin-bottom: 2rem;
}

.quick-actions h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 1rem;
}

.actions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.action-btn {
    background: white;
    border: none;
    border-radius: 15px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.action-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.action-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.action-btn span {
    font-weight: 600;
    color: #333;
    font-size: 0.9rem;
}

/* Workout Timer */
.workout-timer {
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 2rem;
    color: white;
    text-align: center;
}

.timer-display {
    margin-bottom: 2rem;
}

.timer-time {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.timer-label {
    font-size: 1rem;
    opacity: 0.9;
}

.timer-controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.timer-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.timer-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.timer-btn.primary {
    background: #e74c3c;
}

.timer-btn.primary:hover {
    background: #c0392b;
}

/* Today's Workout */
.todays-workout {
    margin-bottom: 2rem;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.section-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
}

.view-all-btn {
    background: none;
    border: none;
    color: #667eea;
    font-weight: 500;
    cursor: pointer;
    transition: color 0.3s ease;
}

.view-all-btn:hover {
    color: #5a6fd8;
}

.workout-card {
    background: white;
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.workout-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.workout-info h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 0.25rem;
}

.workout-info p {
    font-size: 0.9rem;
    color: #666;
}

.workout-progress {
    position: relative;
}

.progress-circle {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.progress-circle svg {
    transform: rotate(-90deg);
}

.progress-fill {
    transition: stroke-dashoffset 0.3s ease;
}

.progress-text {
    position: absolute;
    font-size: 0.8rem;
    font-weight: 600;
    color: #667eea;
}

.workout-exercises {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.exercise-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-radius: 12px;
    background: #f8f9fa;
    transition: all 0.3s ease;
}

.exercise-item.completed {
    background: #d4edda;
    border-left: 4px solid #27ae60;
}

.exercise-item.active {
    background: #e3f2fd;
    border-left: 4px solid #667eea;
}

.exercise-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
}

.exercise-info {
    flex: 1;
}

.exercise-name {
    display: block;
    font-weight: 600;
    color: #333;
    margin-bottom: 0.25rem;
}

.exercise-duration {
    font-size: 0.8rem;
    color: #666;
}

.exercise-status {
    color: #27ae60;
    font-size: 1.1rem;
}

.exercise-item.active .exercise-status {
    color: #667eea;
}

/* Recent Activities */
.recent-activities {
    margin-bottom: 2rem;
}

.activities-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.activity-item {
    background: white;
    border-radius: 15px;
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.activity-item:hover {
    transform: translateY(-2px);
}

.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
}

.activity-content {
    flex: 1;
}

.activity-title {
    font-weight: 600;
    color: #333;
    margin-bottom: 0.25rem;
}

.activity-time {
    font-size: 0.8rem;
    color: #666;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal.open {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: white;
    border-radius: 20px;
    width: 90%;
    max-width: 350px;
    max-height: 80vh;
    overflow-y: auto;
    transform: scale(0.7);
    transition: transform 0.3s ease;
}

.modal.open .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid #e9ecef;
}

.modal-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
}

.close-modal {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: #666;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close-modal:hover {
    color: #e74c3c;
}

.modal-body {
    padding: 1.5rem;
}

.workout-details {
    text-align: center;
}

.workout-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.workout-stat {
    text-align: center;
}

.workout-stat .stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 0.25rem;
}

.workout-stat .stat-label {
    font-size: 0.8rem;
    color: #666;
}

.workout-description {
    margin-bottom: 1.5rem;
}

.workout-description p {
    color: #666;
    line-height: 1.6;
}

.start-workout-btn {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
}

.start-workout-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

/* Notifications Panel */
.notifications-panel {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100%;
    background: white;
    z-index: 2000;
    transition: right 0.3s ease;
    display: flex;
    flex-direction: column;
}

.notifications-panel.open {
    right: 0;
}

.notifications-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid #e9ecef;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
}

.notifications-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
}

.close-notifications {
    background: none;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.close-notifications:hover {
    opacity: 0.8;
}

.notifications-list {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
}

.notification-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-radius: 12px;
    margin-bottom: 0.5rem;
    background: #f8f9fa;
    transition: all 0.3s ease;
    cursor: pointer;
}

.notification-item:hover {
    background: #e9ecef;
}

.notification-item.unread {
    background: #e3f2fd;
    border-left: 4px solid #667eea;
}

.notification-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
}

.notification-content {
    flex: 1;
}

.notification-title {
    font-weight: 600;
    color: #333;
    margin-bottom: 0.25rem;
}

.notification-time {
    font-size: 0.8rem;
    color: #666;
}

/* Bottom Navigation */
.bottom-nav {
    display: flex;
    background: white;
    border-top: 1px solid #e9ecef;
    padding: 0.5rem 0;
}

.nav-item {
    flex: 1;
    background: none;
    border: none;
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #666;
}

.nav-item:hover {
    color: #667eea;
}

.nav-item.active {
    color: #667eea;
}

.nav-item i {
    font-size: 1.2rem;
}

.nav-item span {
    font-size: 0.7rem;
    font-weight: 500;
}

/* Back to Portfolio Button */
.back-to-portfolio {
    position: fixed;
    bottom: 20px;
    left: 20px;
    z-index: 1000;
}

.back-btn {
    background: rgba(255, 255, 255, 0.9);
    color: #667eea;
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.back-btn:hover {
    background: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

/* Animations */
@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 480px) {
    .mobile-container {
        width: 100%;
        height: 100vh;
        border-radius: 0;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .actions-grid {
        grid-template-columns: 1fr;
    }
    
    .workout-stats {
        grid-template-columns: 1fr;
    }
    
    .back-to-portfolio {
        bottom: 10px;
        left: 10px;
    }
    
    .back-btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
}

/* Custom Scrollbar */
.app-content::-webkit-scrollbar {
    width: 4px;
}

.app-content::-webkit-scrollbar-track {
    background: transparent;
}

.app-content::-webkit-scrollbar-thumb {
    background: rgba(102, 126, 234, 0.3);
    border-radius: 2px;
}

.app-content::-webkit-scrollbar-thumb:hover {
    background: rgba(102, 126, 234, 0.5);
}