/* ============================================
   PHASE 2 FEATURES - Additional Styles
   Exercises Library & Notifications
   ============================================ */

/* === FILTER CHIPS === */
.filter-chip {
    padding: 0.5rem 1rem;
    border: 2px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-primary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.filter-chip:hover {
    border-color: var(--primary-500);
    transform: translateY(-2px);
}

.filter-chip.active {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: white;
    border-color: var(--primary-500);
}

/* === EXERCISE CARDS === */
.exercise-card {
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-base);
}

.exercise-card:hover {
    border-color: var(--primary-500);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.exercise-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.exercise-title {
    flex: 1;
}

.exercise-title h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.exercise-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--primary-50);
    color: var(--primary-600);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

[data-theme="dark"] .exercise-category {
    background: rgba(16, 185, 129, 0.2);
    color: var(--primary-400);
}

.exercise-favorite-btn {
    background: none;
    border: none;
    font-size: var(--font-size-xl);
    cursor: pointer;
    color: var(--text-tertiary);
    transition: all var(--transition-base);
}

.exercise-favorite-btn:hover,
.exercise-favorite-btn.favorited {
    color: #ef4444;
    transform: scale(1.2);
}

.exercise-description {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.exercise-details {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.exercise-detail {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.exercise-detail i {
    color: var(--primary-500);
}

/* === NOTIFICATION SETTINGS === */
.notification-setting {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
}

.notification-info {
    flex: 1;
}

.notification-info h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.notification-info p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .exercise-details {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .filter-chip {
        font-size: 0.75rem;
        padding: 0.4rem 0.8rem;
    }
}